Distribution: Greater part of Europe, the Caucasus and soutti-western Asia, south- 

 ern Siberia (in the Yenisei valley northwards to 62° north lat, in eastern Siberia north- 

 wards right up to 703^° north lat.), northern Mongolia, eastern Asia, Japan. 



Callitrichaceae LiNDL. 



Callitriche verna L. Spec. PL ed. II (1762) p. 6; Turczan. Fl. Baical.-Dahur. (1844) 

 p. 230, no. 450; Hegelmaier, Monogr. in Verb.. Bot. Ver. Brandenburg IX (1867) p. 1; ibid. 

 X (1868) p. 100. C. vernalis Kiitz. in Beichenb. Ic. Grit. p. 175; Ledeb. Fl. Boss. II, p. 121. 

 C. verna L. /J vernalis Kiitz., KptM. <Dji. Ajet. II (1903) p. 441. 



Gommon in small ponds etc., on islets in the Yenisei, near Ust Abakansk, in pools 

 and stagnant water between Minusinsk and Kushabar, on the Tara-kem, near Kokus, and 

 in swamps on the Dora Steppe. Collected with young fruits at the beginning of June. 



Distribution: Europe, Siberia, northern Mongolia, Turkestan, the East Indies, Ghina, 

 Japan, North Africa, North America, Greenland, Australia. 



Empetraceae Lindl. 



Empetrum nigrum L. Spec. PI. ed. II (1763) p. 1450; Ledeb. Fl. Alt. IV, p. 292; Tur- 

 czan. Gat. Baical. no. 762; Ledeb. Fl. Boss. Ill, p. 555; Turczan. Fl. Baical.-Dahur. (1854) 

 p. 354, no. 1003; Herder, PI. Badd. (1892) p. 349, no. Ill et p. 366; Kpbiji. «Dji. Ajit. V (1909) 

 p. 1182. 



Gommon in the taiga territory on the Upper Amyl and in the Altaian, right up to the 

 perennial snow, in places grown with mosses and lichens. Specimens collected at the 

 end of July, are past flowering, bearing half ripe fruits. 



Distribution: Europe, in the southern parts only on the mountains, the Caucasus, 

 Asia Minor, Siberia, northwards to 71° 20' in the Yenisei valley, northern Mongolia, Kamt- 

 chatka, Sakhalin, Japan, Greenland, North America. 



MalTaceae NECK. 



Malva borealis Wallmann in Liljebl. Sv. Fl. ed. 3; Ledeb. Fl. Alt. IB, p. 234; Karel. et 

 Kiril. Enum. PI. Fl. Ah. no. 181; Ledeb. Fl. Boss. I, p. 436; KptiJi. $ji. Ajit. I (1901) p. 186. 



Pretty common in waste places, along road-sides, and as a weed about Karatus and 

 Kushabar, where I have found it in flower and with ripe fruits in the first half of July. 



Distribution: Europe, Caucasia, Siberia, eastwards to about the Yenisei, Turkestan, 

 the Himalayas, India. 



Rhamnaceae DUMORT. 



Rhamnus Frangula L. Spec. PI. ed. II (1762) p. 280; Ledeb. Fl. Alt. I, p. 252; Ledeb. 

 Fl. Boss. L p. 503; Kptiji. ^s. Ajit. I (1901) p. 207. 



Scattered in the Amyl taiga, where especially occurring in thickets and in slightly 

 moist places. 



Distribution: Europe, the Caucasus, Asia Minor and south-western Asia, Siberia, 

 eastwards roughly to the Yenisei. 



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