Lalhynis hiimilis Fischer in DC. Prodioiii. II, j). aTs (siil) <(Oiobiis)>) : '\i\rc/.i\n. Cal. 

 r.aital. no. ;kS2: Tuirzan. Fl. Ikiical.-Dalinr. (1812) p. 79:). no. 371; U'l.i.u. <I'.i. \.u. II 

 (1903) p. 337. Lalhijnis nlluicus Lcdeb. Fl. Alt. Ill, p. 355; Karel. cl Kiril. Enum. PI. FI. 

 .\1(. no. 282. /.. allaicLis /i hiunilis Ledeh. Fl. Ross. I, p. 682. 



In shady woods of foliferous trees on the Upper Sisli-kcni. In part done flowering at 

 the end of July. 



Distribution: Eastern Russia, southern Siberia, northwards to about 62K>° north 

 lat., northern Mongolia, Manchooria. the western Himalayas? 



'o^ 



Lathyrus tiiberosus L. Spec. PI. ed. II (1763) p. 1033; Ledeb. FI. Alt. III. p. 353; Karel. 

 et Kiril. Enum. PI. Fl. Alt. no. 281; Ledeb. Fl. Ross. I. p. 682: Kpi.u. <I>.i. .V.rr. II (lii03) 

 p. 338. 



Rather common on islets in the Lower Abakan, especially in meadows and open 

 luush-woods, etc. Collected flowering at the end of June. 



Distribution: Europe, northwards to southern Scandinavia (introduced), south- 

 wards to middle Italy, south-western Asia, soutliern Siberia, eastwards to the government 

 of Yeniseisk, North Africa. 



Lathyrus prateiisis L. Spec. PI. ed. II (1763) p. 1033; Ledeb. FI. Alt. Ill, p. 353; Tur- 

 czan. Cat. Baical. no. 380; Karel. et Kiril. Enum. PI. Fl. Alt. no. 279; Ledeb. FI. Ross. I, p. 

 683; Turczan. Fl. Baical.-Dahur. (1812) p. 792, no. 369; Kpi.i.i. <I).i. A.it. II (1903) p. 338. 



The material collected shows that the species is subjected to great variations. The 

 leaflets are generally narrowly lanceolate, broadest in the middle, and tapering to^^ ards 

 the ends. 3 — 4 times as long as broad. The stipules are generally somewhat shorter than 

 the petiole, to only one half of its length. The petals are sometimes of a greenish tinge. Scat- 

 tered on hills and in meadows on islets in the rivers Yenisei and Abakan, at Kushabar, 

 in the taiga territory on the Amyl, near Ust .\Igiac, Ust Sisti-kem, the Kamsara, and at 

 Tapsa. The species begins flowering about the middle of June. 



■ Distribution: Europe, Caucasia and south-western Asia to the Himalayas and Cash- 

 mere, Siberia, northwards to the Arctic Circle, and eastwards to Trans Baical, northern 

 Mongolia, Japan? 



Lathyrus pisiformis L. Spec. PI. ed. II (1763) p. 10.34: Ledeb. FI. Alt. III. p. 354; 

 Ledeb. Fl. Ross. L p. 685; Turczan. Fl. Baical.-Dahur. (1842) p. 791, no. 372; Kpi.i.i. 'I'.i. A.Tr. 

 II (1903) p. 339. 



In mixed woods of foliferous and coniferous trees about Ust Sisti-kem, and on the 

 Dora Steppe. Flowering and in i)art done flowering in the first half of August. 



Distribution: Eastern portions of middle Europe, south-western Asia, Siberia, north- 

 wards to about 61'-j° north lat., and eastwards roughly to the government ' of Irkutsk, 

 northern Mongolia. 



312 



