p. 144; Rohrbach, Monogr. Gat, Silene (1868) p. 200; Williams, Rev. Gen. Silene (1896) 

 p. 155. Cucubalus Otites L. Spec. PI. ed. II (1762) p. 594. 



subspec. parviflora (Ehrh.) Pers. Synops. PI. I (1805) p. 497 (spec.) Silene tenuis 

 in Bunge, Enum. Alt. p. 22. 



This subspecies differs from the typical species, especially in its more vigorous 

 growth, the stem, the pedicels and the calyces being densely villous. The petals at the 

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

 comparison from middle Europe. On the Abakan Steppe, near Ust Kamuishto; col- 

 lected in full flower in the middle of July, in dry, grass-grown places between Minusinsk 

 and Kushabar. 



Distribution: Middle and south-eastern Europe, Caucasia south-western Asia, Sibe- 

 ria, eastwards to about Yakutsk. 



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. 

 Silene (1868) p. 186 ex parte; Williams, Rev. Gen. Silene (1896) p. 143 ex parte. Silene 

 stglosa /S alpicola Ledeb. Fl. Alt. II, p. 144. Silene graminifolia Otth., Ledeb. Fl. Ross. 

 I, p. 307 ex parte (a grandi flora) ; Bunge, Enum. Alt. p. 22; Karel. et Kiril. Enum. PI. 

 Fl. Alt. no. 154; Kptiji. $ji. Ajit. 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 brownish red colour, glabrous or slightly 

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

 rous, slightly scabrous 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, partly 

 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. PL Fl. Alt no. 155. Silene chamarensis Turczan. Cat. Baical. no. 222; 

 Turczan. Fl. Baical.-Dahur. (1842) p. 578, no. 211. Silene ambigua 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 grami- 

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

 Alt II, p. 144. 



223 



