Carex vesicaria L. X Carex riparia Curt, Simonkai, Enum. Fl. Transs. (1886) p. 

 556; Kukenth. Cgper.-Caricoid. in Engl. Pflanzenr. H. 38 (IV, 20, 1909) p. 759. 



Together with the main species in a swamp on an islet in the Yenisei, near Ust 

 Abakansk. The perigynia are sterile. 



Distribution: Europe, Siberia. 



Carex nutans Host, Gram. Austr. I (1801) p. 61; Kukenth. Cijper.-Caricoid. in 

 Engl. Pflanzenr. H. 38 (IV, 20, 1909) p. 740; Kiikenth. Cype/-. Sibir. in 'I)cAieHi(o, Mar. <I>.t. 

 Ch5. II (1912) p. 191; Ledeb. Fl. Alt. IV, p. 220; Karel. et Kiril. Enum. PI. Fl. Alt. no. 

 895; Ledeb. Fl. Ross. IV, p. 315; Kptiji. cDje. Ajt. VI (1912) p. 1530. 



In dry grass-field at Minusinsk. With nearly ripe fruits at the beginning of July. 



Distribution: Middle and southern Europe, south-western and central Asia, Siberia, 

 Mongolia, eastern Asia. 



Carex heterostachya Bunge, Enum. PL Chin. Bor. (1832) p. 69; Kukenth. Cyper.- 

 Caricoid. in Engl. Pflanzenr. H. 38 (IV, 20, 1909) p. 741; Kiikenth. Cyper. Sibir. in 

 ^effqeiiKO, Max. 4>.i. Ch5. II (1912) p. 192; Kptijc. cjjr. Ajit. VI (1912) p. 1531. Carex 

 soongorica Karel. et Kiril. Enum. PI. Soong. no. 868; Ledeb. Fl. Ross. IV, p. 316. 



Scattered on islets in the river Abakan, near Askys. The specimens collected with 

 nearly ripe fruits at the end of June. The specimens have rather broad leaves, from 

 4 to 6 mm. broad. 



/. brevidens Krylow, a)ji. Ajit. VI (1912) p. 1532. 



Of this one there occurs in my collection only one specimen, taken in a moist mea- 

 dow on an islet in the river Abakan, near Askys. In full flower in the middle of June. 



Distribution: The species occurs in Persia, Siberia, northern Mongolia, eastern Asia. 



Carex orthostachys C. A. Meyer in Ledeb. Fl. Alt. IV, p. 231; Turczan. Cat. Baical. 

 no. 1258; Ledeb. Fl. Ross. IV, p. 316 ex parte; Turczan. Fl. Baical.-Dahur. (1855, II) p. 

 348, no. 1270: Epbijr. cfjt. Ajit. VI (1912) p. 1533. Carex arisiata R. Br. in Richardson, 

 Franklin. Narr. Journ. Bot. App. (1823) p. 36 subspecies orthoslachijs C. A. Meyer, 

 Kiikenth. Cyper.-Caricoid. in Engl. Pflanzenr. H. 38 (IV, 20, 1909) p. 751; Kukenth. 

 Cyper. Sibir. in <I>eATOHKo, Max. cI>ji. Ch6. II (1912) p. 195. 



Pretty common in swampy meadows, and in thickets on the islets, and along the 

 banks of the river Abakan, here and there accompanying Carex caespitosa. Taken flo- 

 wering in the second half of June. The leaves are pubescent beneath and on the 

 sheaths, and the specimens collected accordingly belong to /. typica Krylow 1. c. 

 (1912) p. 1334. 



Distribution: Northern and eastern Asia. 



Cobresia spec, (ad fdifoliam?) [Tab. I, Fig. 1]. 



In moist, grass-^grown places on the Abakan Steppe, near the river, at Askys, only 

 about 300 m. above sea-level, I have collected some specimens of a Cobresia which I 

 have not been able to identify with absolute certainty. It is especially characterized by 

 having always 2 stigmas only. All of its hundreds of flowers examined by me, were 



165 



