the Yenisei valley northwards to 71° 20' north lat, eastwards to the Tshuktsher Peninsula, 

 Kamtchatka and the Amoor Province, northern Mongolia, Sakhalin, Japan, North Ame- 

 rica, Greenland. 



Vaccinium viUs idaea L. Spec. PI. ed. II (1762) p. 500; Ledeb. Fl. Alt. II, p. 67; Tur- 

 czan. Cat. Baical. no. 760; Ledeb. Fl. Ross. II, p. 901; Turczan. Fl. Baical.-Dahur. (1848) p. 

 487, no. 736; Herder, PI. Radd. (1872) p. 312, no. 18; Kptiji. 4)ji. Ajit. Ill (1904) p. 783; 

 KysHeAOBt, BepecKOBtia bt. $e?;ieHKO, 3>j. Asiax. Poccin 9 (1916) p. 75. 



Rather common in the Sayansk district, in coniferous forest. The specimens collected 

 seemed, at least to judge from my material, generally to have the flowers somewhat smal- 

 ler than the Scandinavian ones. The corolla is generally shorter, wider and more open; 

 the length of the style in these specimens does not exceed 5 mm., while it is generally 7 

 mm. or sometimes still more in the Scandinavian ones. For the rest, the plants seemed 

 not to differ from Scandinavian material. Of pretty common occurrence in rather dry 

 situations about the Upper Amyl, on the Sisti-kem, and about the Kamsara. Taken in 

 flower and partly past flowering about the middle of July. 



In the Altaian, above the limit of trees, at an altitude of about 2000 m. above sea- 

 level, I have collected specimens belonging to a very small form, only attaining a height of 

 2 to 3 cm. The leaves are broadly ovate to nearly orbicular, from 5 to 8 mm. long, 

 nearly sessile. The flowers are also rather small, from 3 to 4 mm. long, and rather open. 

 The raceme is few-flowered, only 2- or 3-flowered. The bracts are completely glabrous, 

 wanting marginal hairs as well, which is partly also the case in the sepals. The pedicels 

 are very short, only about 1 mm. long. The year's shoots are very short, only about 

 5 to 10 mm. long. To judge from the number of the year's shoots, these specimens may 

 attain a pretty great age. I refer this form to /. pumilum Hornem., Lange, Consp. Fl. 

 Groenl. p. 90 (Vaccinium vitis idaea var. microphyllum Herder, 1. c). 



Distribution: Northern and middle Europe, southwards to France, northern Italy 

 and northern Turkey, Russia, from the Arctic Ocean southwards to Kiev and Orenburg, 

 Novaya Zemlya, Siberia, from the Ural to the Pacific Ocean, northern Mongolia, Manchoo- 

 ria, Sakhalin, Japan, North America, Greenland. 



Primulaceae TENT. 



Primula patens Turczan. in Bull. Soc. Natural. Moscou (1838) p. 99. P. cortusoides 

 L. ^ patens Turczan. Fl. Baical.-Dahur. (1849) p. 291. P. saxatilis Komarow in Act. Hort 

 Petropol. XVIII (1901) p. 429; Pax et Knuth, Primulac. in Engl. Pflanzenr. H. 22 (IV, 237, 

 1905) p. 27. 



The specimens which I refer to this one, are large and vigorous and distinguished by 

 their comparatively short-petioled leaves, the petioles 4 — 9 cm. long, that is, once to twice 

 as long as the blade. The shape of the blade is ovate, 4 — 6 cm. long, and 3,5 — 5,5 cm. 

 broad, always distinctly, not unfrequently even deeply cordately indented at the base. 



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