On llie banks of the river Algiac, near Usl Algiac. In flower and incipient fruil for- 

 mation at the end of July. 



Distribution: Arctic and subarctic Eurojie, Siberia, northern Mongolia, Noiih 

 America, Greenland. 



Carex gracilis Curt. Fl. Loudin. IV (1777—87) p. 282; Kukenth. Cyper.-Caricoid. 

 in Engl. Pflanzenr. H. 38 (IV, 20. 1909) p. 319; Kukenth. Cyper. Sibir. in <DeA'ieni;o, Mar. 

 <l>.i. Ciio. II (1912) p. 86; Kpi.i.i. (I>.i. A.ix. VI (1912) p. 1485. Carex acuta Good, in 

 Trans. Linn. Soc. II (1794) p. 203; Ledeb. Fl. Alt. IV, p. 222; Turczan. Cat. Baical. no. 

 262; Ledeb. Fl. Ross. IV, p. 313; Meinsh. in Act. Hort. Petropol. (1901) p. 335. 



Very common on the banks of the rivers Yenisei and Abakan, as well as on the 

 banks of the Sisti-kem, near Ust Algiac. Taken flowering in June, and with ripe fruits 

 in July. 



subspec. tricostala (Fries) Aschers. Fl. Brandenb. I (1864) p. 776; Kukenth. 1. c. 

 (1912) p. 86. Carex iricoslata Fries, Nov. Mant. Ill (1842) p. 152. Carex gracilis f. erecia 

 Kukenth. in Allg. Bot. Zeitschr. Ill (1897) p. 170. 



In moist, grass-grown places on the river Abakan, near Ust Kamuishto. Flo\\er- 

 ing and with young fruits in the second half of June. 



Distribution: The species is distributed all over Europe, except the extreme northern 

 regions, northern and western Asia, northern Mongolia, North Africa. 



Carex Goodcnoughii Gay in Ann. Sc. Nat. II, Ser. XI (1839) p. 191; Kukenth. 

 Cyper.-Caricoid. in Engl. Pflanzenr. H. 38 (IV, 20, 1909) p. 313; Kukenth. Cyper. Sibir. in 

 <I)esqonj;(i, Max. <I).i. Cnft. II (1912) p. 84; Ki>u.i. O.i. A.it. VI (1912) p. 1490. Carex vulgaris 

 f. communis et f. sabulosa Meinsh. in Act. Hort. Petropol. (1901) p. 333. Carex vulgaris 

 Fries, Nov. Mant. Ill (1842) p. 1.53; Ledeb. Fl. Ross. IV, p. 311. 



Very common on the banks of the rivers Yenisei and Abakan, frequently together 

 with the preceding one. Not unfrequently there occur specimens with a long-stalked 

 pistillate spike starting from the base (f. basigyna Rkicuenh.) Flowering and w ith young 

 fruits in June. 



Distribution: All over Europe, Siberia, Mongolia, eastern Asia, North and South 

 America, Greenland. 



subspec. tornata Fries, Nov. Mant. Ill (1842) p. 1,54: Kukenth. 1. c. (1909) p. 316. 



Occurring together with the typical species on the banks of the river Abakan, 

 near Askys. With flowers in the middle of June. 



Distribution: Together with the main species. 



Carex Goodenoiighii Gay X Carex gracilis Curt, Kukenth. in Aschers. et Graebn. 

 Synops. Mitteleur. Fl. II, 2 (1902) p. 99; Kukenth. Cyper.-Caricoid. in Engl. Pflanzenr. 

 H. 38 (IV, 20, 1909) p. 373. 



148 



