Accession Number: 6346.18
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Quercus gambellii (Scrub oak) showing the root system (2-yr. old seedling)"
Taxon: Quercus gambellii Liebmann, Fagaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.19
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Nemexia herbacea (L.) Small"
Taxon: Nemexia herbacea Small, Liliaceae
Dimensions (cm): 41.5 x 28.5
Signature: Preston (b.c.)
Accession Number: 6346.20
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Amelanchier bakeri, Cerastium occidentale, Arenaria feudleri, Alsine longifolia"
Taxon: Alsine longifolia Britton, Arenaria fendleri A. Gray, Cerastium occidentale Greene, Caryophyllaceae; Amelanchier bakeri Greene, Rosaceae
Dimensions (cm): 28.5 x 41.5
Signature: C.M.P. (b.c. of each drawing)
Accession Number: 6346.21
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Callirrhoe [sic] involucrata, Purple poppy-mallow"
Taxon: Callirhoe involucrata (Torrey and A. Gray) A. Gray, Malvaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.22
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Taxon: Heuchera hallii A. Gray, Saxifragaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.23
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Bistorta bistortoides"
Taxon: Polygonum Linnaeus, Polygonaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.24
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Taxon: Lepidium draba Linnaeus, Brassicaceae alt. Cruciferae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.25
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Heuchera parvifolia"
Taxon: Heuchera parvifolia Nuttall ex Torrey and A. Gray, Saxifragaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.26
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Juncoides parviflorum"
Taxon: Luzula parviflora Desvaux, Juncaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.27
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Taxon: Alsine media Linnaeus, Caryophyllaceae
Accession Number: 6346.28
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Scutellaria galericulata, Carex"
Taxon: Carex Linnaeus, Cyperaceae; Scutellaria galericulata Linnaeus, Lamiaceae alt. Labiatae
Dimensions (cm): 41.5 x 28.5
Signature: C.M.P. (b.c. of each drawing)
Accession Number: 6346.29
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Perennial peppergrass (Cardaria draba)"
Taxon: Cardaria draba Desvaux, Brassicaceae alt. Cruciferae
Dimensions (cm): 28.5 x 41.5
Published: Robbins, W. W. and B. Boyack. 1919 [July.] The identification and control of Colorado weeds. Agric. Exp. Sta. Agric. Coll. Colorado Bull. 251: 105. [Fig. 60.]
Accession Number: 6346.30
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Taxon: Medicago Linnaeus, Fabaceae alt. Leguminosae
Dimensions (cm): 28.5 x 41.5
Accession Number: 6346.31
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Description: stem cross-section and bundle
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.32
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Taxon: Crataegus Linnaeus, Rosaceae
Dimensions (cm): 28.5 x 41.5
Accession Number: 6346.33
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Hare's ear mustard (Conringia orientalis)"
Taxon: Conringia orientalis (L.) C.Presl, Brassicaceae alt. Cruciferae
Dimensions (cm): 29 x 25.5
Published: Robbins, W. W. and B. Boyack. 1919 [July.] The identification and control of Colorado weeds. Agric. Exp. Sta. Agric. Coll. Colorado Bull. 251: 82. [Fig. 35 (in part).]
Notes: Seed detail removed from original illustration and reproduced in G. E. Egginton, "Colorado weed seeds." Agric. Exp. Sta. Agric. Coll. Colorado Bull. 260. Jan. 1921.
Accession Number: 6346.34
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "False flax (Camelina sativa)"
Taxon: Camelina sativa Crantz, Brassicaceae alt. Cruciferae
Dimensions (cm): 29 x 23.5
Signature: C.M.P. (b.l. and b.r. of drawings)
Published: Robbins, W. W. and B. Boyack. 1919 [July.] The identification and control of Colorado weeds. Agric. Exp. Sta. Agric. Coll. Colorado Bull. 251: 75. [Fig. 29 (in part).]
Notes: Seed detail removed from original illustration and reproduced in G. E. Egginton, "Colorado weed seeds." Agric. Exp. Sta. Agric. Coll. Colorado Bull. 260. Jan. 1921.
Accession Number: 6346.35
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Arabis ovata, Anaphalis subalpina"
Taxon: Anaphalis subalpina Rydberg, Asteraceae alt. Compositae; Arabis ovata Poiret, Brassicaceae alt. Cruciferae
Dimensions (cm): 41.5 x 28.5
Signature: C.M.P. (b.c. of each drawing)
Accession Number: 6346.36
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Rumex acetosella"
Taxon: Rumex acetosella Linnaeus, Polygonaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.37
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Taxon: Vicia Linnaeus, Fabaceae alt. Leguminosae
Dimensions (cm): 28.5 x 41.5
Accession Number: 6346.38
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Cockle-bur (Xanthium commune)"
Taxon: Xanthium commune Britton, Asteraceae alt. Compositae
Dimensions (cm): 41.5 x 28.5
Published: Robbins, W. W. and B. Boyack. 1919 [July.] The identification and control of Colorado weeds. Agric. Exp. Sta. Agric. Coll. Colorado Bull. 251: 100. [Fig. 55.]
Accession Number: 6346.39
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
Image (click image to view):
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Title: "Triglochin maritima"
Taxon: Triglochin maritima Linnaeus, Juncaginaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.40
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Prickly lettuce or Compass plant (Lactuca scariola)"
Taxon: Lactuca scariola Linnaeus, Asteraceae alt. Compositae
Dimensions (cm): 41.5 x 28.5
Published: Robbins, W. W. and B. Boyack. 1919 [July.] The identification and control of Colorado weeds. Agric. Exp. Sta. Agric. Coll. Colorado Bull. 251: 101. [Fig. 56 (in part).]
Notes: Seed detail removed from original illustration and reproduced in G. E. Egginton, "Colorado weed seeds." Agric. Exp. Sta. Agric. Coll. Colorado Bull. 260. Jan.1921.
Accession Number: 6346.41
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
Image (click image to view):
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Title: "Prunus melanocarpa (Chokecherry). Showing the root system"
Taxon: Prunus melanocarpa (A. Nelson) Rydberg, Rosaceae
Dimensions (cm): 41.5 x 28.5
Accession Number: 6346.42
Artist Name: Preston, Caroline M.
Life Span: (fl.1918-1920)
Nationality: United States
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Title: "Cercocarpus parvifolius (Mountain mahogany). Showing the root system"
Taxon: Cercocarpus parvifolius Nuttall ex Hooker and Arnott, Rosaceae
Dimensions (cm): 41.5 x 28.5