siibspcc. scapigcra Regel, 1. c. 



All of the specimens colleclecl. llic stems of whicli vary from 3 to (1 cm. in length, 

 belong lo liic large-flowered form, entered hy Hooker, F1. Bor. Am. I, as var. (/raiuli- 

 flora. The length of the petals varies from 10 to 12 mm., being thus one and a half to 

 twice as long as the calyx. Of rather connnon occurrence in the Altaian, at an altitude 

 of about 1900 m. above sea-level, in somewhat moist places, among moss and the like. In 

 full flower at the end of July. 



Distribution: Novaya Zemlya. arctic Sil)eria, the eastern Altai, the Sayansk district, 

 Baikal, Trans Baikal, arctic America. 



Alsine biflora (L.) Wahlenb. Fl. Lappon. (1812) p. 128; Fenzl in Ledeb. Fl. Ross. 

 I, p. 355; Regel, PI. Radd. (1862) p. 229, no. 304. Alsine occulta Turczan. Fl. Baical.- 

 Dahur. (1842) p. 590, no. 227; KptM. ^.t. A.it. 1 (1901) p. 158. Arenaria arclica Ledeb. 

 Fl. Alt. II, p. 172. Arenaria sienopetala et occulta Turczan. Cat. Baical. no. 256 et-257. 



The specimens belonging to this species, collected by me in the Altaian, are distin- 

 guished by having the stems rather coarse, rigid and erect, frequently slightly yellowish 

 and ligneous below. The petals are to 1 'A times as long as the calyx. Generally 2 — 3, 

 rarely to 5-flowered. Partly done flowering and with ripe capsules at the end of .July. 

 The specimens seemed to agree perfectly with a ligidula Fenzi,, 1. c. 



Distribution: Arctic islands, arctic and alpine tracts of Europe, arctic Siberia from 

 the Ural to Kamtchatka, the Altai- and Sayansk mountains, Baikal, North America. 



Sagiiia procumbens L. Spec. PI. ed. II (1762) p. 185; Ledeb. Fl. Alt. I. p. 155; Fenzl 

 in Ledeb. Fl. Ross. I, p. 338; Regel, PI. Radd. (1862) p. 305, no. 343; Kptu. Ojj. A.rr. I 

 (1901) p. 15,5. 



On dry hills at Kushabar. where, besides the typical form with 4 sepals and 4 

 petals, there also occur specimens with 5 sepals and petals, var. pcntamera Giirke (in 

 RiCHTER-GiJRKE, PI. Eur. II, p. 246). whereas forms are to be found containing or wanting 

 distinct petals, u corollina et /? apelala (in Ledeb. Fl. Ross. 1. c). 



Flowering and with ripe fruits in the middle of July. 



Distribution: Europe, the Caucasus, Tibet, temperate Asia to about Lake Baikal, 

 North Africa, America. Greenland, Australia. 



Agrostenima Githago L. Spec. PI. ed. 11 (1762) p. 024; Kpu.!. (ki. A.n\ I (1901) p. 

 153. Gitliago segelum Desk, Ledeb. Fl. Ross. I, p. 332. Lijchnis Agrostemma DC, Ledeb. 

 Fl. Alt. II, p. 184; Regel, PI. Radd. (1861) p. 563. Lychnis Githago Scop. Fl. Carn. ed. 

 II (1772) p. 310; Turczan. Cat. Baical. no. 232; Karek et Kiril. Enum. PI. Fl. Alt. no. 

 162; Turczan. Fl. Baical.-Dahur. (1842) p. 581, no. 215. 



Scattered in the tracts between Minusinsk and Kushabar as weeds in corn-fields, 

 along road-sides, etc. Specimens taken in the fist half of July are in full flower. 



Disti-ibution: Europe, Caucasia, western Siberia, more rarely to be foimd in the 

 ea.stern tracts. North Afiica. Introduced into South Africa and North America. 



220 



