ROBrNSON. — ALSINE^E. 303 



calyx. — Mant. i. 72 ; Seringe in DC. Prodr. i. 405 ; Hook. Fl. Bor.- 

 Am. i. 99 ; Torr. & Gray, Fl. i. 181. A. j uniperina, Pursh, Fl. 318; 

 Hook. Fl. Bor.-Am. i. 98; Torr. & Gray, Fl. i. 179, G74. Alsine 

 verna, Bartl. Beitr. ii. 63. — A widely distributed species with numerous 

 but ill defined varieties. The smooth typical form appears to be common 

 in the Rocky Mts. of British America (Macoun), and has been found 

 on Mt. Albert, Lower Can. {Allen). A far more frequent form is 



Var. hirta, Wats. Finely glandular-puberulent upon stems, 

 peduncles, and calyx : leaves nearly or quite smooth. — Bot. King 

 Exp. 41 ; Porter & Coulter, Fl. Col. 14 ; Rothr. Enum. PL Col. 35. 

 A. hirta, Wormsk. Fl. Dan. x. t. 1G46. A. propinqua, Richardson 

 in Frankl. Journ. 738. Alsine verna, var. hirta, Fenzl in Ledeb. Fl. 

 Ross. i. 349. A. rubella, var. hirta, Lange, PI. Groenl. 132. A. pro- 

 pinqua, Lange, Fl. Dan. xvii. t. 2903. A. hirta, Warming, Bot. 

 Foren. Festskr. 1890, 229. — From Greenland to Alaska, southward 

 to Smugglers' Notch, Vt. (Pringle), and along the Rocky Mts. to 

 Arizona (Lemmon) ; also in the San Bernardino Mts. ( Wright). 



Var. rubella, Hook. f. Depauperate, minutely glandular-puber- 

 ulent or very rarely smooth : peduncles and sepals purplish tinged, 

 the latter less strongly nerved. — Journ. Linn. Soc. v. 82. A. Giesekii, 

 Hornem. Fl. Dan. ix. t. 1518. A. hirta, var. glabrata, Cham. & 

 Schlecht. Linnaea, i. 56. Alsine rubella, Schrenk in Fenzl, 1. c. i. 349. 

 A. verna, var. glacialis, Fenzl fide Wats. Bibl. Index, 99. — Occur- 

 ring with and often scarcely to be distinguished from the preceding. 



A. Rossii, Richardson. Dwarf and closely tufted, glabrous : 

 leaves crowded, narrowly linear, 3-edged, obtusish, slightly fleshy : 

 stems many, |— 1^ inches long, filiform, usually ending in a solitary 

 peduncle, more rarely branched and several-flowered : sepals attenuate, 

 slightly fleshy, not at all rigid and scarcely or not at all ribbed, 1— 1£ 

 lines long: petals oblong, nearly equalling the calyx, often minute or 

 none: capsule shorter than the calyx. — Richardson in Frankl. Journ. 

 738 ; R. Br. in Parry's 1st Voy. App. 272 ; Hook. Fl. Bor.-Am. i. 100 ; 

 Torr. & Gray, Fl. i. 181 ; Porter & Coulter, Fl. Col. 14. A. elegans, 

 Cham. & Schlecht. Linnaea, i. 57. A. stricta, Wats. Bibl. Index, 98, 

 in part, not of Michaux nor Wahlenberg's Alsine stricta of the Old 

 World, which is surely distinct. Alsine Rossii, Fenzl, Verbr. Alsin. 

 18. — Mountains of Colorado, Hall $• Harbour, Coulter, Wolf; Wyo- 

 ming, Parry ; British America, Bourgeau, to Arctic America. 



A. Nuttalli, Pax. Glandular-puberulent or tomentulose through- 

 out : root single, vertical, rather stout : stems many, loosely matted 

 and much branched near the base; branches ascending or erect, leafy : 



