Original Linnaean Dissertations

Respondent: Johan Peter Falck (1733–1774)

Title: Planta Alströmeria, ...

Date of Defense: 23 June 1762

Paginations: [iii], [1], 5-16, 1 plate

Lidén Title: Planta Alströmeria.

Soulsby Title: Pl. Alstr.

Drake Title: Planta Alströmeria.


Abstract: Linnaeus received seed of this Chilean plant, Alstroemeria ligtu L., from Claes Alströmer, who sent it from Cadiz, Spain.

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Respondent: Birger Martin Hall (1741–1814)

Title: ... sistens Nectaria Florum, ...

Date of Defense: 25 June 1762

Paginations: [ii], [1], 2-16

Lidén Title: Nectaria florum.

Soulsby Title: Nect. fl.

Drake Title: Nectaria Florum.


Abstract: An essay on the presence, kinds and functions of nectar glands in flowers. It is the first detailed report on the subject and it gives examples of plants having the various kinds of nectaries.

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Respondent: Johan Martin Gråberg (1741–1793)

Title: Fundamentum Fructificationis, ...

Date of Defense: 16 October 1762

Paginations: [iv], [1], 2-24

Lidén Title: Fundamentum fructificationis.

Soulsby Title: Fund. fr.

Drake Title: Fundamentum Fructificationis.

Note: Two copies have spelling of 'stiperdiarus' corrected in manuscript to 'stipendiarius'.

Abstract: An essay on the morphology of all floral parts and organs, with a review of their concepts and terminology by pre-Linnaean authors.

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Respondent: Knut Augustin Lenaeus (1738–1799)

Title: ... de Meloë vesicatorio, ...

Date of Defense: 20 {22?} December 1762

Paginations: [iv], [1], 2-15, [1]

Lidén Title: Meloe vesicatoria.

Soulsby Title: Meloë

Drake Title: Meloë Vesicatorio.

Note: Two copies have a title page dated 20 December 1762; one of these copies also has an additional title page dated 22 December 1762.

Abstract: A study of European vesicatory (blister-producing) insects having the properties of the Cantharides fly, chiefly the blistering fly (Meloe cichorii). The report describes the insects, hosts and habitats and includes prescriptions for the use of vesicating plasters.

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Respondent: Johan Martin Reftelins (Reftelius) (1740–1799)

Title: Reformatio Botanices, ...

Date of Defense: 18 December 1762

Paginations: [iv], [1], 2-21, [2]

Lidén Title: Reformatio botanices.

Soulsby Title: Reform. bot.

Drake Title: Reformatio Botanices.

Note: P. 20 misnumbered 22 in two of four copies.

Abstract: A treatise on botanical history, divided into three periods: (1) post-Renaissance, (2) that of the pre-Linnaean systematists, and (3) under the aegis of Linnaeus. The third period received the most attention. Here Linnaeus cited (as of 1762) those of his pupils who travelled to foreign lands, and the contemporary writers who adopted his system of classification in their works.

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Respondent: Georg (Jöran) Rothman (1739–1778)

Title: De Raphania ...

Date of Defense: 27 May 1763

Paginations: [iii], [1], 2-21, 1 plate

Lidén Title: Raphania.

Soulsby Title: Raphania

Drake Title: Raphania.


Abstract: A botanico-medical treatise on the disease Raphania (ergotism), recognized by Linnaeus to result from eating bread from freshly harvested grain and erroneously ascribed to presence of seed of the weed Raphanus raphanistrum L. (radish). The latter is included in the plate, with a botanical description.

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Respondent: Johan Salberg (1741–1810)

Title: Fructus esculenti, ...

Date of Defense: 11 June 1763

Paginations: [ii], [1], 2-22

Lidén Title: Fructus esculenti.

Soulsby Title: Fr. escul.

Drake Title: Fructus Esculenti.


Abstract: An account of 133 edible fruits including those of native Swedish species, classified under berries, plums, pomaceous fruits, podded fruits, grains and nuts.

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Respondent: Carl Magnus Blom (1737–1815)

Title: ... sistens Lignum Qvassiae, ...

Date of Defense: 28 May 1763

Paginations: [ii], [1], 2-13, [1], 1 plate

Lidén Title: Lignum Quassiae.

Soulsby Title: Lign. Qvas.

Drake Title: Lignum Qvassiae.


Abstract: An account of Surinam quassia wood (Quassia amara L.) of the Simaroubaceae, whose bitter root was used medicinally to treat numerous illnesses, including malaria.

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Respondent: Boas Johansson (1742–1809)

Title: Centuria Insectorum Rariorum, ...

Date of Defense: 23 June 1763

Paginations: [vi], [1], 2-32

Lidén Title: Centuria insectorum rariorum.

Soulsby Title: Cent. insect.

Drake Title: Centuria Insectorum Rariorum.


Abstract: Descriptions of 100 rare insect species that were sent to Linnaeus from Carolina and Pennsylvania as well as from Surinam and Java. Discusses improvements that the Linnaean system has brought to the study of insects.

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Respondent: Johan Jakob Ferber (1743–1790)

Title: ... de Prolepsi Plantarum, ...

Date of Defense: 22 June 1763

Paginations: [ii], [1], 2-18

Lidén Title: Disquisitio de prolepsi plantarum.

Soulsby Title: Prol. pl. 1763

Drake Title: De Prolepsi Plantarum.


Abstract: The plan of this speculative essay is similar to that of his dissertation Prolepsis plantarum on flower bud ontogeny, but deals with the ontogeny of the vegetative plant with emphasis on the physiology of growth and the development of bulbs and vegetative buds.

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