Saxifraga Hiiculiis L. Spec. PI. cd. II (1762) p. 675; Ledeb. Fl. .\U. II. p. 121; Ledeb. 

 Fl. Ross. II, p. 210; Tuiczan. Fl. Baical.-Dahur. (1844) p. 270, no. 488; Kptiji. $.t. A.tt. II 

 (1903) p. 473: Engl, et Irmscher. Saxifrag. in Engl. Pflanzenr. H. 67 (1916) ]). 110. 



In the Altaian, near the limit of tree vegetation, in moist, moss-grown places. In 

 full flower at the end of July. 



Distribution: Arctic and alpine regions of Europe, arctic islands, Caucasia, Turke- 

 stan, arctic Siberia, the Altai and Sayansk districts, Trans Baikal. Tilxl, the Himalayas, 

 Cashmere, Mongolia, western China, North America. 



Saxifraga stellaris L. Fl. Lapp. (1737) no. 175 et Spec. PI. ed. II (1762) p. 572. 



snbspec. comosa lielzius. Fl. Scand. Prodrom. (1779); Ledeb. Fl. Ross. II, p. 211; 

 Turczan. Fl. Baical.-Dahur. (1844) p. 268, no. 486; Engl, et Irmscher, Saxifrag. in Engl. 

 Pflanzenr. H. 67 (1916) p. 81. Saxifraga foliosa R. Br., Turczan. Cat. Baical. no. 496. 



This species is spread in the Altaian, in places grown with mosses and lichens, here 

 and there accompanying Phgllodoce coerulea, and tlie like. All of the specimens collected 

 have the stems comparatively low, from 5 to 10 cm. high. The basal leaves are from 0.8 

 to 1,5 cm. in length, cuneately tapering towards the base, the summit 5-toothed, with a 

 large and broad median tootli, and 2 smaller and narrower ones on each side. The in- 

 florescence is short and narrow, 1 to 2,5 cm., rarely to 3,5 cm. long, and generally consist- 

 ing of from 3 to 7 shortly stalked or sessile gemmae, the leaves of which ai'e ovate, ses- 

 sile, from 1 to 2 mm. long, of a green colour. Generally one solitaiy flower is to be found 

 at the top of the scape, mostlv more or less incompletely developed, and sterile, 

 or tlie top flower wanting altogether. The whole plant is beset witli long, white, scat- 

 tered hairs. The specimens collected thus seemed to be intermediate between Die forms 

 eucoinosa and inimitipekda Engl, et Ihmscher, 1. c. p. 83. 



Distribution: The subspec. comosa is distributed over the arctic regions of Europe, 

 arctic islands, arctic Siberia, the Sayansk mountains. North America, Greenland. 



Saxifraga bronchialis L. Spec. PL ed. II (1762) p. 572; Ledeb. ¥\. .\ll. 11. p. 124 in 

 nota; Turczan. Cat. Baical. no. 500; Ledeb. Fl. Ross. II, p. 207; Turczan. Fl. Baical.- 

 Dahur. (1844) p. 271. no. 490; Engl. Monogr. Saxifrag. (1872) p. 215. 



In the Altaian, on the Upper Sisti-kem. Flowering at the end of .luly. 



Distribution: Northern Russia, northern Siberia, the Altai and Savansk districts. 

 Trans Baikal, eastwards to Kamtchatka. North .\mcrica. 



Chryscsplenium nudicaule Bunge in Ledeb. Fl. Alt II. p. 114; Bunge, Enum. .\lt. p. 

 20; Ledeb. Fl. Ross. II, p. 226; Maxim. Diagn. Plant. Nov. Asiat. in Mel. Biol. IX (1877) p. 

 759; Franchet, Monogr. Chrijsosplpnitim in Nouv. .\rch. Mus. Hist. Natur. 3. Ser. (1890) 

 no. 2; Kpbu. <I).t. A.it. II (1903) p. 480: Ilciqiacni;;!, lui.Mm'.inMi.unhiH ivh 'k'AWiii.o. tl).i. Aaiar. 

 Pocciu 7 (1915) p. 13. 



In moist, shady places in the Altaian, near the limit of tree vegetation. Nearly past 

 flowering at the end of July. 



272 



