p. 144; Rolirhatli. Monogr. Cat Silcne (1868) p. 200; Williams, Rev. Gen. Silene (1896) 

 1). ir)r>. Ciiculxiliis Olilrs L. Spec. PI. ed. II (1762) p. Cm. 



subspir. parviflora (Eluii.) Pers. Synop.s. PI. I (1805) p. 497 (spec.) Silene tenuis 

 in Bunge, Enuni. .Ml. p. 22. 



This subspecies diffeis irom llie typical species, especially in ils more vigorous 

 grow 111. llic sU'in. liic |)edicels and the calyces being densely villou.s. The petals at the 

 base scattered puberulenl. The specimens collected agree perfectly with material of 

 comparison from middle Europe. On the Abakan Ste])pe, near Ust Kanuiishto; col- 

 lected in full flo%Yer in the middle of July, in dry, grass-grown places between Minusinsk 

 and Kushabar. 



Dislril)ulion: Middle and south-ea.stern Europe, Caucasia south-western Asia, Siiie- 

 ria, eastwards to about Yalvutsk. 



Silene tenuis Willd. Enum. Hort. Berol. (1810) p. 474: Turczan. Cat. Baical. no. 

 218 ex parte; Turczan. Fl. Baical.-Dahur. (1842) p. 577, no. 209; Rohrb. Monogr. Gat. 

 .S(7('iie (1868) p. 186exparte; Williams, Rev. Gen. Silene (1896) p. 143 ex parte. Silene 

 stylosa fi alpicoln Ledeb. Fl. .\lt. II, p. 144. Silene (jramini folia Otth., Ledeb. Fl. Ross. 

 I, p. 307 ex parterre g r an di flora); Bunge, Enum. Alt. p. 22: Karcl. et Kiril. Enum. PI. 

 Fl. Alt. no. 154; Ki.w.i. *.!. A.rr. I (1901) p. 143 ex parte. 



The species is much varying. The specimens collected have the stems 15—20 cm. 

 long, generally tufted, of a yellowish green or ])rownish red colour, glabrous or slightly 

 glutinous, with one or 2 pairs of leaves. The radical leaves a»e lanceolate to linear, glab- 

 rous, slightly scalwous at the margin. The flowers comparatively few, but rather densely 

 congested, large, erect, spreading, or drooping. The calyx about 15 mm. long, much 

 inflated, its teeth more or less obtuse or rounded at the apex, finely and slightly ciliate. 

 The petals large, much protruding, deeply 2-cleft, the claws very slightly ciliate. 



Of rather common occurrence in the Altaian, above the tree limit, at an altitude 

 of about 2000 m. above sea-level in grass-grown, frequently stony places, ])artly 

 together with Moehringia lateriflora. In full flower in the second half of July. 



Distribution: Arctic portions of Siberia, eastwards as far as Behring's Ocean, the 

 Altai- and Sayansk regions, and eastwards through Trans Baikal to the Amoor Pro- 

 vince, Mongolia, Tibet, the north-western Himalayas. 



Silene Jenisea Steph. in Herb, ex Bunge, Suppl. Fl. Alt. p. 554; Turczan. Fl. Baical.- 

 Dahur. (1842) p. 574, no. 207. Silene tenuis Turczan. Cat. Baical. no. 218 ex parte; Karel. 

 et Kiril. Enum. PI. Fl. Alt. no. 155. Silene chamarensis Turczan. Cat. Baical. no. 222; 

 Turczan. Fl. Baical.-Dahui-. (1842) p. 578, no. 211. Silene amhiqua Turczan. Fl. Baical.- 

 Dahur. (1842) p. 576, no. 208. Silene tenuis Willd. b Jenisea Rohrb. Monogr. Gat. Silene 

 (1868) p. 187 ex parte: Williams. Rev. Gen. Silene (1896) p. 143 ex parte. Silene (jrami- 

 nifolia Otth., Ledeb. Fl. Ross. I, p. 307 pro parte. Silene stylosa a rupicola Ledeb. Fl. 

 Alt. II. p. 144. 



223 



