2. Florula Lapponica, quæ continet catalogum plantarum, quas per provincias Lapponicas Westrobothnienses observavit C. Linnæus. It was written in 1732, and inserted in the Acta Litteraria Sueciæ of the same year, but only in part, the second section having appeared in the same collection in 1735.
3. Systema Naturæ, sive Regna Tria Naturæ, systematice proposita, per classes, ordines, genera et species. Lugd. Batav. apud Haak, 1735. 14 pages folio. Of this work we have already spoken at considerable length. The two editions most in use are that of 1766-68, published at Stockholm, being the last that appeared under the author's inspection, and the enlarged but ill-digested one of Gmelin, published in 1788-1792 at Leipsic.
4. Hypothesis Nova de Febrium Intermittentium Causa. Harderovici, 1735. 4to. This is Linnæus's thesis, written when he took his medical degree at Harderwyk in Holland.
5. Fundamenta Botanica, quæ majorum operum prodromi instar, theoriam scientiæ botanicæ per breves aphorismos tradunt. Amst. 1736, apud Schouten. 36 pages 12mo. There have been eight editions of this tract, of which the last was published at Paris in 1774. 8vo.
6. Bibliotheca Botanica, recensens libros plus mille de plantis, huc usque editos secundum systema auctorum naturale, in classes, ordines, genera et species dispositos, &c. Amstelod. 1736, apud Schouten. 136 pages 12mo. There have been two other editions; the last of which appeared at Amsterdam in 1751.
7. Musa Cliffortiana, Florens Hartecampi prope Harlemum. Lugd. Batav. 1736. 40 pages 4to.
8. Genera Plantarum earumque characteres naturales, secundum numerum, figuram, situm et proportionem omnium fructificationis partium. Lugd. Batav. apud Wishof, 1737. 384 pages 8vo. The last edition, corrected by Linnæus, was published at Stockholm in 1764. It contains 1239 genera. Five other editions have appeared since; the two last by Schreber and Hanke.
9. Viridarium Cliffortianum. Amst. 1737. 8vo.
10. Caroli Linnæi Corollarium Generum Plantarum; cui accedit Methodus Sexualis. Lugd. Batav. 1737. 8vo.
11. Flora Lapponica, exhibens plantas per Lapponiam crescentes, secundum systema sexuale, collectas itinere impensis Societ. Reg. Litterar. Scientar. Sueciæ, anno 1732 instituta, additis synonymis, &c. Amstelod. apud Schouten, 1737. An improved edition was published by Sir J. E. Smith, London, 1792.