OF ARTS AND SCIENCES. 151 



Lab. 25. L. montana, "Wats. Proc. Am. Acad. xii. 247 (so far as the 

 Utab specimens are concerned). Agrostemma apetala, Don, 1. c. i. 

 416. Melandryum apetalum, Fenzl in Ledeb. Fl. Ross. i. 32G ; Warm- 

 ing, Bot. Foren. Festskr. 1890, 251, f. 25, 26. Wahlhergella apetala, 

 Fries, 1. c. 155. — A polymorplious species, the forms of which have 

 been elaborated by Regel in Radde's Reisen in Ost-Sib. i. 325-329. 

 N. Greenland and Grinnell Land to Alaska and southward along the 

 Rocky Mountains to Montana, Canhi/, and Uintas, N. Utah, Watson. 



Var. glabra, Regel. Glabrous throughout, otherwise as in the 

 type. — Regel, 1. c. 325 & 327. — Rocky Mts. of Brit. Araer., Bour- 

 geau; St. Paul's Isl., Alaska, Elliott ; Schmagin IsL, Harrington. The 

 Alaskan form differs from Bourgeau's plant, upon which the variety was 

 founded, in having much larger thinner leaves. 



Var. elatior, Regel (extended). Pubescent, taller, 6-12 inches 

 in height : stems commonly several-flowered : petals sometimes consid- 

 erably exserted. — Regel, 1. c. 328, including var. macropetala, so far 

 as the American specimens are concerned. — Kodiak Isl. and north- 

 ward in Alaska to Kotzebue Sound, ace. to Regel. 



« * European species, adventive in the Eastern and Middle States and in 

 Canada : corolla much exserted. 



•I- Leaves usually large, cauline, lanceolate or ovate-lanceolate : flowers mostly 

 dioecious ; valves of the capsule distinctly 2-toothed. 



Li. diurna, Sibth. (Red Lychnis. Red Campion.) Calyx 

 oblong, rather short, 4-6 lines long, reddish ; the teeth triangular- 

 lanceolate, acute: corolla red or pink (rarely white), expanding in 

 the morning : capsule large, globose, with a wide mouth ; the teeth 

 recurved. — Fl. Oxon. 145 ; Reichb. 1. c. vi. t. 304. L. dioica, var. «, 

 Linn. Spec. 437 in part, and var. a, rubra, Weigel, Fl. Pom.-Rug. 85, 

 Melandrium silvestre, Rcihl. Deutschl. Fl. ed. 2, ii. 274. M. rubrum, 

 Garcke, Fl. Deutschl. ed. 4, 55. — Not infrequent in Atlantic States. 



Li. ALBA, Mill. (Evening Lychnis. White Campion.) Calyx 

 green, longer than in the preceding ; the teeth lance-linear, attenuate : 

 corolla more commonly white, opening in the evening : capsule ovate- 

 conical ; the teeth erect or slightly spreading. — Diet. ed. 8 (1768). 

 L. dioica, var. (3, Linn. Spec. 437. L. vespertina, Sibth. Fl. Oxon. 

 146 (1794). Melandryum album, Garcke, 1. c. 55. — Ballast and waste 

 lands, sometimes by roadsides and in cultivated fields, chiefly eastward. 



t- -I- Leaves narrower : flowers perfect : valves of the capsule 5, entire. 



L, Flos-cuculi, L. (Ragged Robin.) A slender smoothish 

 perennial, with a furrowed, sometimes minutely roughened stem, H-2 

 feet high : lower leaves oblanceolate ; the upper lauce-linear ; calyx 



