410 24. LATHYRUS TUBEROSXJS. [CL. XVIL 



Ger. folio malvae rotundo, C. Bauh. Pin. 318. Tourn. Inst. 

 ^68. 



Ger. annuum, folio malvaceo rotundo, Moris, sect. 5. t. 15. 

 Ger. viscidum, caule decumbente, Hall. Stirp. Helv. n. 941. 

 Ger. rotundifolium, Linn. Willd. Sp. PI. S. 71S. Cav. 

 Piss. 4. t. 193. f. Engl Bot. 157. 



Geographical Distrihuticyn. 



This species delights in the temperate and warmer regions 

 of the earth. In Sweden it does not grow beyond the 61**, 

 On the other hand, it extends throughout the whole of Eu- 

 rope, as far as the islands of the Archipelagus, and it is even 

 found in the northern coasts of Africa. Its diffusion east- 

 ward seems to be limited by the Wolga Heights ; for it is 

 found in Lithuania, but not in the other part^ of Russia, ii; 

 Taurisj or in Asia. 



CLASS XVIL 

 24. 



Lathyrus tuberosus, JLw 



Erdnuss, Erdmandel, Grundeichell, Akereichell, Sand-brot, 

 —French, Anette, Marcusson. 



This beautiful plant is common enough in the corn fields of 

 Germany. The stem rises from an irregular, yet, for the most 

 part, round tuber, externally of a brown colour, internally 

 white, and of an agreeable taste. The stem is herbaceous, erect, 

 commonly quadrangular, without leafy or membranaceous 

 appendages : its upper part is divided into branches, and it 

 attaches itself, by cirrhi, to other plants and objects. It is an 

 ell or arm in length, and, at its lower part, is of the thick- 

 ness of a pack-thread. Where the leaf* stalks and branches 

 arise, there are linear, long, and fine pointed stipula?, which 



