OF ARTS AND SCIENCES. 149 



preceding : capsule ovate, 5-toothed, very shortly stiped. — Bot. King 

 Exp. 37, & Proc. Am. Acad. xii. 248. — E. Humboldt Mts., Nevada, 

 9,000 ft., Watson. » 



-i- ■*- Alpine or far Northern species. 

 ++ 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 3-8 inches high: 

 leaves thickish, linear-oblong, often conspicuously ciliate : flowers short- 

 pedicelled : calyx with 10 broad indistinct purple or green nerves: 

 petals white or roseate ; the blade obcordate ; the claw scarcely auri- 

 cled. — Ross Voy. App. cxlii., name only; Sommerfelt, Mag. Naturv. 

 ii. (1824), 151, 152 ; Wats. 1. c. 247. L. apetela, var. pauciflora, Dur. 

 PI. Kane, 189. Agrostemma triflora, Don, Syst. i. 417. Melandrium 

 triflorum, Liebm. Fl. Dan. xiv. t. 2356 ; Rohrb. Linnaea, xxxvi. 231. 

 Wahlbergella triflora, Fries, Summa Scand. 155. — Greenland, from 

 Polaris Bay (Bessel) southward ; Grinnell Land, Greek/. 



Var. Dawsoni. Calyx with principal nerves double or triple, 

 joined by interlacing veinlets ; the intermediate nerves beneath the 

 sinuses inconspicuous or wanting : petals very narrow ; the blade 

 oblong, bifid, hardly to be distinguished from the narrow claw. — 

 Gravel banks, N. British Columbia, 100 miles northeast of Dease 

 Lake, Dr. G. M. Dawson. 



++ ++ Calyx ovate, scarcely inflated : flowers erect or slightly nodding in anthe- 

 sis : steins usually 1-flowered, occasionally loosely several-flowered. 



= Rocky Mountain and Western alpine species. 



L. Kingii, Wats. Densely covered with a very short pubescence, 

 somewhat glandular above : stems slender, erect, 4-G inches high, 1-2- 

 flowered : leaves narrowly linear : the blade of the petals rather 

 short and broad, emarginate ; the claw with broad ciliated auricles; 

 appendages oblong: filaments pubescent. — Proc. Am. Acad. xii. 2 17. 

 exclusive of Wyoming plant. L. Ajanensis ? Wats. Bot. King E\|>. 

 37. — Peaks of the Uintas, N. Utah, Watson. Additional material of 

 this little known species may perhaps show it to be merely a Southern 

 form of L. affiais. 



L. montana, Wats. Glandular-pubescent : root thickish, sub- 

 simple : stems erect, 2-4 inches high: leaves linear, 1-1), inches in 

 length: calyx green- or rarely purple-nerved, 5-6 lines long; the 

 teeth short, scarcely acute : petals narrow, about equalling or a line 

 or two exceeding the calyx ; the blade small, bifid ; the claw narrow, 

 \- 1 lines in breadth ; appendages small or absent: filaments naked: 

 capsule sessile or nearly so. — Proc. Am. Acad. xii. 2 17. excl. of 



