Sisymbrium lieteromallmn C. A. Meyer in Ledeb. Fl. Alt. Ill, p. 132; Turczan. Gat. 

 Baical. no. 160; Ledeb. FI. Ross. I, p. 178; Turczan. Fl. Baical.-Dahur. (1842) p. 273, 

 no. 152; Kpwji. <&ji. Ajit. I (1901) p. 93; Byiui., Cruciferae bi. (Dji. ChGiip. h /^ajitii. J^dCT. 

 1 (1913) p. 142. 



On an islet in the river Abakan, near Ust Abakansk, in stony and sandy places. 

 With flowers at the end of June. 



Distribution: In middle Asia from Turkestan and Afghanistan, Pamir, Tibet, 

 Mongolia, southern Siberia, northern China, northern Corea. 



Sisymbrium junceum Marsch.-Bieb. Fl. Tauro-Cauc. II (1808) p. 114 et III (1819) 

 p. 440; Ledeb. Fl. Alt. Ill, p. 127; Turczan. Cat Baical. no. 159; Karel. et Kiril. Enum. 

 PI. Fl. Alt. no. 88; Ledeb. Fl. Ross. I, p. 177 et 759; Turczan. Fl. Baical.-Dahur. (1842) 

 p. 272, no. 151; Regel, PL Radd. (1861) p. 203, no. 234; KptM. (D.t. A.it. I (1901) p. 93; 

 ByiuT., Cruciferae bt> t&ji. Ci'i6Hp. ii JI^aAhn. Boct. I (1913) p. 145. 



The specimens collected are distinguished by their very long and narrow leaves, 

 the lower ones linear, from 1 to 1,3 mm. broad, and from 4 to 7 cm. long, the upper 

 ones linear-filiform, 0,3 mm. broad, and from 3 to 4 cm. long, more or lesse acuminate at 

 the summit. The leaves are entire; only some of the lower ones having one or a few 

 awl-shaped teeth about the middle of the leaf. The plant is glabrous all over, the sepals 

 included. In point of their narrow leaves these specimens recall in a high degree var. 

 soongoricum Regel-Herder in Bull. Soc. Imp. Nat. Moscou (1864) p. 141, no. 98 b, and in 

 point of their completely glabrous sepals var. latifolium Korsh. in Fragm. Fl. Turk. I 

 (1898) p. 412, no. 24. The stems are solitary, unbranched in the lower part, and in the 

 upper part wath one or a few short branches, only 1 to a few cm. long. The petals are 

 small, from 5 to 6 mm. long. Taken on the Abakan Steppe, near Ust Kamuishto. In 

 full bloom in the second half of June. 



Distribution: In middle Europe from Hungary to the west, through southern and 

 middle Russia and adjoining portions of Asia to Turkestan, Siberia, and Trans Baikal, 

 northwards and eastwards right up to the Upper Lena and the Upper Kolyma. 



Sisymbrium Sophia L. Spec. PL ed. II (1763) p. 920; Ledeb. Fl. Alt III, p. 135; 

 Ledeb. Fl. Ross. I, p. 180 et 760; Turczan. Cat Baical. no. 161; Turczan. Fl. Baical.- 

 Dahur. (1842) p. 274, no. 153; Regel, PL Radd. (1861) p. 203, no. 235; Kptiji. $ji. A.it. 

 I (1901) p. 94; ByuiT., CrUciferae bi. cM. Ch6hp. h Ji^aAhu. Boct. I (1913) p. 148. 



» 



In the territory explored, the species varies very considerably in hairiness, rami- 

 fication, height and above alL in the size of the leaves, and the breadth of the segments. 

 In dry places, for instance in the steppe regions about the river Abakan, the segments 

 are generally very fine, almost filiform, and like the plant in general, rather densely 

 hairy, whereas, in humid habitats, besides being more vigorous in growth, having con- 

 siderably broader segments as well; breadth of the lobes to 2 mm. in the specimens 

 gathered, and the whole plant glabrous, and of a fresher green. The species is rather 



257 



