coimiion in llie Minusinsk dislrid. lor instance on the islets in the lower iiart of tlie river 

 Abakan, near Askys, Ust Kanuiishto, Usl Alnikansk. along road-sides, etc., in several 

 places between Minusinsk and Ku.shabar, where rather frequently to be met v\ ilh in 

 the streets, on the river Aniyl, near Petl•opa^^■lowsk, and in tlie Urjankai country, near 

 Kamsara, and at Ust Tara-kem. Taken floweinng and with young fruits in June and July. 

 Distribution: Europe, except the extreme northern portions, western and central 

 Asia to India and Tibet southwards, and the Pacific Ocean eastwards. leather common 

 in the taiga and sleppe regions of Siberia, scattered in Mongolia and China, Japan, 

 North Africa. Introduced into North America. 



Sisymbrium salsugineum Pallas, Pxeisc Verschicd. Statthallersch. Russ. Reiches, p. 

 4(36 et 740; Ledeb. Fl. Alt. Ill, p. 145; Turczan. Cat. Baical. no. 164; Ledeb. Fl. Ross. I, p. 

 185; Turczan. Fl. Baical.-Daliur. (1842) p. 275, no. 155; K|ii.i.i. 'lu. A.n. I (1901) p. 95. 

 Ambidopsis salsugineum (Pallas) Busch, Cniciferae ht, <l>.i. Ciionp. n ^Va.ii.ii. liru r. I 

 (1913) p. 136. 



On saliferous soil, on the Abakan Steppe, near Ust Kamuishto. Nearly past flower- 

 ing in the second half of June. 



Distribution: South-eastern Rus.sia, Russian Turkestan, southern Siberia, eastwards 

 to Trans Baikal and Yakutsk. 



Isatis costala C. A. Meyer in Ledeb. Fl. Alt. Ill, p. 204; Karel. et Kiril. Enum. PI. Fl. 

 All. no. 116; Ledeb. Fl. Ross. I, p. 211 et 766; Byiin>, Cniciferae v.b iIm. Cnruii). ii ,T,a.ii.ii. 

 BocT. I (1913) p. 160. 



f. lasiocarpa (Ledeh.) Busch, 1. c. Isalis lasiocarjxt Ledeb. Fl. Ross. I, p. 211 et 767; 

 Kpti.T. <I>.i. A.iT. I (1913) p. 113. Isalis hebecarpa C. A. Meyer in Ledeb. Fl. All. 111. p. 

 205 (excl. .syn.). Isalis coslala f. hebecarpa Ledeb. Fl. Ross. I, p. 211. 



On dry rocky slopes on the river, near Minusinsk; with flowers at the end of June. 



Distribution: South-eastern Russia, Russian Turkestan, southern Siberia (southern 

 portions of the governments of Tomsk and Yeniseisk), northern Mongolia. 



Sinapis alba L. Spec. PI. ed. II (1763) p. 934; Ledeb. Fl. Ross. 1. p. 218; I'.y.ub, 

 Cruciferae m, 'I'.i. Ciirmp. ii ,T,a.iMi. Hdcr. I (1913) p. 164. 



On the Abakan Steppe, near Askys, in the neighbourhood of culti\ated places. 

 With young flowers and flower-buds about the middle of June. 



Distribution: Europe, Caucasia, south-western Asia, India, Tibet, southern Silx-ria 

 (the governments of Tobolsk, Yeniseisk, and Yakutsk), the Canary Islands, North 

 America (introduced). 



Brassica campestris L. Spec. PI. ed. II (1763) p. 931; Ledeb. Fl. Alt. Ill, p. 212; 

 Turczan. Cat. Baical. no. 183; Karel. et Kiril. Enum. PI. Fl. Alt. no. 122; Turczan. Fl. 

 Baical.-Dahur. (1842) p. 293, no. 174; r.yuii,, Cri/r//'m(ei!h<l>.i. Ciioiip. ii ,T,a.ii>ii. 1!(k i. I (1913) 



258 



