Lychnis. CARYOPHYLLACE^. 225 



§ 1. EuLYCHNis, Fenzl (extended). Teeth of the usually more or less inflated 

 calyx not twisted : ovary unicellular at the base : capsule with its five valves 

 normally bifid, but sometimes indistinctly so or entire. — Fenzl in Endl. 1. c. 974. 

 Melandrium, Rohl. Deutsch. Fl. ed. 2, ii. 37, 274. Melandryum of authors in 

 great part. 



* Native species, westeru or arctic : leaves narrowly lanceolate, spatulate or linear ; the 

 radical usually numerous and the cauliue few. 



-1- Tall: stems erect, usually a foot or more in height, several - many-flowered : species 

 ranging from Winnipeg to the Sierras, but chiefly of the Rocky Mouutaius, though not 

 truly alpine. 



L. Drummondii, Watson. Finely grayish-pubescent throughout, often purple-glandular 

 above : root stout, vertical : stems erect, simple, somewhat rigid : leaves narrow ; the lower 

 oblanceolate ; the upper lauce-liuear : flowers on long usually appressed pedicels : calyx in 

 the typical form obloug-cylindric or scarcely ovate, witli green nerves : petals small, included 

 or scarcely exserted, white or purplish, with the short bifid minutely appendaged blades 

 narrower than the claws : capsule sessile ; seeds uniformly tuborcled, not distinctly crested. 



— Bot. King Exp. 37, 432, & Proc. Am. Acad. xii. 248. L. apetala, Gray, Am. Jour. Sci. 

 ser. 2, xxxiii. 405, in part. L. apetala, var. paucijlora, Porter in Hayden,' Rep. 1870, 473. 

 Silene Drummondii, Hook. Fl. Bor.-Am. i. 89; Torr. & Gray, Fl. i. 191, in part; Rohrb. 

 Monogr. Sil. i. 83. S. Scouleri, Webber, App. to Cat. Fl. Neb. 30 ; Britton, Bull. Torr. 

 Club, XX. 344. EUsanthe Drummondii, Ruprecht, Fl. Cauc. i. 200. — E. Minnesota, Shel- 

 don, and Winnipeg, Bourgeau, Assiniboia, Macoun, to the Pacific Slope at Ft. Vancouver 

 and southward especially in mountainous regions to New Mexico and Arizona ; fl. summer ; 

 very variable, especially in pubescence. A lanate form has been found in the Winnipeg 

 Valley, Bourgeau ; another form with broad thinnish leaves, purple glandular pubescence, 

 and more ovate calyx, in the Uintas, Watson, and at Gray's Peak, Hooker & Gray, 

 Patterson. 



■t- -t— Alpine, boreal, and arctic species. 



•H- Calyx ovate, not strongly inflated : flowers on each stem 3 or 5, densely aggregated, 

 rarely solitary : petals exserted : seeds tuberculate. 



L. triflora, R. Br. Viscid-tomentose : stems 3 to 8 inches high : leaves thickish, linear- 

 oblong, often conspicuously ciliate : flowers short-pedicelled : calyx with 10 l)road indistinct 

 purple or green nerves : petals white or roseate ; blades obcordate ; claws scarcely auricled. 



— R. Br. in Ross, Voy. App. cxlii, name only; Sommerfelt, Mag. Naturv. ii. 151, 152 

 (1824) ; Wats. 1. c. 247. L. apetala, var. paucijlora, Dur. PI. Kane. 189. L. paucijlora, Dur. 

 Proc. Acad. Philad. 1863, 94. Agrostemma trijlora, Don, Syst. i. 417. Melandrium triflorum, 

 Liebm. Fl. Dan. t. 2356; Rohrb. Linnaja, xxxvi. 231. Wahlbergella trijlora, Fries, Summa 

 Scand. 155. — Greenland, from Polaris Bay, Bessel, soutliward ; Grinnell Land, Greehj. 



Var. Dawsoni, Rorinson. Calyx with principal nerves double or triple, joined by 

 interlacing veinlets ; tlie intermediate nerves beneath the sinuses inconspicuous or wanting : 

 petals very narrow ; blades oblong, bifid, hardly to be distinguished from tlie narrow claws. 



— Proc. Am. Acad, xxviii. 149. — Gravel banks, N. Brit. Columbia, 100 miles northeast of 

 Dease Lake, Dr. G. M. Dawson. 



■H- -H- Calyx ovate, scarcely inflated : flowers erect or slightlj- nodding in anthesis : stems 

 usually 1-flowered, occasionally loosely several-flowered. 



= Arctic or sub-arctic species. 



L. Taylorae, Robinson, 1. c. 150. Very slender, 1 to 1^ feet high, puberulent, nearly smooth 

 below, glandular above : .stem erect, bearing 3 to 4 pairs of leaves and two or three long 

 slender almost filiform 1-3-flowered brandies : leaves tiiin, lance-linear, acute or attenuate 

 botli ways, finely ciliate, and pubescent upon the single nerve beneath, otherwise glabrate, 

 2 to 2^ inches in length : flowers terminal or subterminal on the brandies : calyx ovate, not 

 much inflated, about 4 lines long, in anthesis only 2 lines in diameter, with green nerves 

 interlacing above ; teeth obtuse, with broad green memliranous ciliate margins: jietals one 

 and a half times as long as the calyx; blades obcordate, \\ lines long, considerably broader 



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