72 NORTH AMERICAN FLORA [V01.UME 22 



57. Sedum Nevii A. Gray, Man. ed. 5. 172. 1867. 



Tufted, glabrous ; stems spreading or decumbent, flowering branches ascending, 8-13 

 cm. high. lycaves of the sterile shoots densely imbricated, spatulate or obovate, narrowed 

 or cuneate at the base, mostly sessile, rounded at the apex, entire, 6-12 mm. long ; leaves 

 of the flowering branches spatulate or linear-oblong, alternate ; cyme about 3-fork^d ; 

 flowers close together, 6-8 mm. broad ; petals linear, longer than the sepals ; follicles about 

 4 mm. long, divergent, tipped with short styles. 



Type locality : Mountains of Virginia to Alabama. 



Distribution : On rocks, mountains of Virginia to Alabama and Illinois. 



Illustration : Britt. & Brown, 111. Fl. /. 1819. 



58. Sedum Wrightii A. Gray, PL Wright. 1 : 76. 1852. 



Perennial, glabrous; stems weak, decumbent, IS dm. long or less, often with long 

 branches. Basal and lower leaves ovate, obtuse, 6-10 mm. long, those of the inflorescence 

 oblong to spatulate-oblong, much smaller ; cjTues compact ; flowers very short-pedicelled, 

 cal3rx:-segments oblong, obtuse, half the length of the petals ; petals spatulate to spatulate- 

 obovate, obtuse or obtusish, apiculate, white tinged with rose, 6-8 mm. long, their tips 

 spreading ; follicles erect, a little shorter than the petals, tipped with the subulate styles. 



Type locality : Hills near the San Pedro river, in crevices of rocks, and summits of moun- 

 tains near El Paso, Texas. 



Distribution : New Mexico, western Texas, Chihuahua and Coahuila. 



59. Sedum pruinosum Britton, sp. nov. 



Plant white-pruinose ; stem stout but weak, branched just above the base, 2 dm. long 

 or less, the branches straggling, 1-1.5 dm. long. Leaves thick, blunt or slightly emargi- 

 nate, not papillose-margined, the lower ones and those of rosettes broadly spatulate, 2-2.5 

 cm. long, about 1 cm. wide, narrowed into petioles, the upper ones oblanceolate, sessile, 

 1-1.5 cm. long, spreading or a little reflexed ; cymes 6-8 cm. broad ; pedicels stout, 1-3 mm. 

 long ; calyx very pruinose, about half as long as the petals, its lobes lanceolate, obtusish ; 

 petals bright-yellow, lanceolate, acuminate, 8-9 mm. long, 2-3 mm. wide, spreading ; car. 

 pels erect, subulate-tipped. 



Crescent City, California, Alice Eastwood, 1903. 



60. Sedum anomalum Britton. 



Gormania anomala Britton, Bull. N. Y. Bot. Gard. 3 : 30. 1903. 



Stems decumbent or ascending, low; plant light-green, slightly pinkish-pruinose. 

 Leaves of rosettes spatulate, 2 cm. long or less, apiculate, their margins slightly papillose ; 

 those of flowering stems oblong to oblanceolate, obtuse, sessile, 7-10 mm. long ; C3anes 

 about 2.5 cm. broad; flowers very nearly sessile; calyx-lobes lanceolate, acutish, scarcely 

 pruinose ; petals lanceolate, acuminate, bright-yellow, 6-7 mm. long, 2 mm. wide, spread- 

 ing, some of them often united at the very base ; carpels erect, subulate- tipped. 



Type locality : San Luis Obispo County, California. 

 Distribution : Southwestern California. 



61. Sedum spathulifolium Hook. Fl. Bor. Am. 1: 227. 1832. 



Rootstocks slender ; plant pale-green and somewhat glaucous ; flowering stems ascend- 

 ing or spreading, simple, or sometimes branched, 1-2 dm. long, the base decumbent. 

 Basal and lower leaves spatulate, 2.S cm. long or less, blunt with a small acumination, 

 the upper smaller and narrower ; a line of pits near the margin on the under side ; cyme 

 8 cm. broad or less, rather dense; pedicels 2-5 mm. long or less; calyx less than half as 

 long as the petals, its segments la!nceolate to oblong-lanceolate, obtuse, pruinose ; corolla 

 yellow, 8-10 mm. long, the petals lanceolate, acuminate, spreading or reflexed; carpels 

 slightly divergent, subulate- tipped. 



Plant with the habit of Gormania^ but petals separate to the base. 

 Type locality : Dr^ rocky places of the Columbia and Salmon rivers. 

 Distribution : British Columbia tocentral California. 



