Part 1, 1905] CRASSUI^ACEAE 67 



28. Sedum miaimum Rose, Bull. N. Y. Bot. Gard. 3 : 40. 1903. 



Sedum Pringlei minus Rob. &[Seaton, Proc. Am. Acad. 28 : 105. 1893. Not 5. minus Haw. 1825- 



Delicate perennial, about 2 cm. high, arising from small globose tubers. Leaves oval- 

 oblong, obtuse, 4 mm. long; cal5^x-lobes 3-3.5 mm. long, linear, free at base; petals dis- 

 tinct, violet (?), longer than the calyx; filaments 10, only 5 anther-bearing; scales linear, 

 0.6 mm. long, obtuse or retuse ; carpels united for one-third their length ; styles very short. 



Type locality : Summit of the Nevada de Toluca, State of Mexico. 

 Distribution : Known only from the type locality. 



29. Sedum australe Rose, Bull. N. Y. Bot. Gard. 3 : 41. 1903. 



Perennial, procumbent, rooting at the joints; branches woody, tuberculately rough- 

 ened. Leaves numerous, densely crowded, terete, obtuse, 6-7 mm. long, glabrous; in- 

 florescence a short compact cyme ; calyx-lobes leaf-like, half as long as the petals ; petals 

 reddish-yellow, 7 mm. long, mucronate on the back below the apex ; carpels widely spread- 

 ing when mature. 



Type locality : Volcano of Santa Maria, Guatemala. 

 Distribution : Known only from the type locality. 



30. Sedum Douglasii Hook. Fl. Bor. Am. 1 : 228. 1832. 



Sedum uniflorum Howell, Fl. N. W. Am. 213. 1898. Not S, unifiorum H. & A. 



Perennial by a branching rootstock ; stems erect or ascending, simple, or branched 

 near the base, 1-2.5 dm. high. Leaves linear-lanceolate to narrowly lanceolate, acuminate, 

 sessile, glabrous, 10-25 mm. long, fiat above, usually with short leafy shoots in the axils; 

 cyme usually several-forked, sometimes 6 cm. broad, sometimes reduced to a single flower; 

 flowers short-pedicelled or subsessile ; calyx -segments triangular-ovate to triangular-lanceo- 

 late, acuminate, much shorter than the petals ; petals 6-12 mm. long, yellow, lanceolate, 

 acuminate, longer than the stamens; follicles 2>-\ mm. long, widely divergent from the 

 slightly united bases. 



Type locality : Rocky places of the Columbia River to the mountains. 

 Distribution : Montana to British Columbia, Idaho and California. 



31. Sedum shastense Britton, Bull. N. Y. Bot. Gard. 3 : 41. 1903. 



Perennial by a slender rootstock, glabrous ; stems slender, erect, or the base decum- 

 bent, 6-12 cm. high. Leaves lanceolate to oblong-lanceolate, 10-15 mm. long, 3-5 mm. 

 wide, acute, papillose, the narrowed base somewhat prolonged below the axil ; cyme small, 

 compact, 2-3 cm. broad *,_ flowers few, sessile or nearly so ; cal}^- segments ovate to tri- 

 angular-ovate, acute, about half as long as the petals; petals very thin, lanceolate, acumi- 

 nate, yellow, strongly 1-nerved, about 8 mm. long, exceeding the stamens and pistils; 

 stjdes subulate ; young follicles erect. 



Type locality : North side of Mt, Shasta, Siskiyou County, California. 

 Distribution : Known only from the ty^^ locality. 



32. Sedum ciliosum Howell, Fl. N.W. Am. 214. 1898. 



Perennial by a short branching rootstock ; stems rather slender, branched or simple ; 

 5-12 cm. high. Leaves lanceolate, long-acuminate, 1-2 cm. long, 1.5-3 mm. wide near the 

 base, ciliate-puberulent or the upper glabrous, veiny when dry, usually bearing leafy shoots 

 in th-e axils; flowers sessile or short-pedicelled, in small compact cymes; calyx- segments 

 ovate, long-acuminate, half as long as the lanceolate acuminate petals, which are 7-9 mm. 

 long and somewhat exceed the stamens ; carpels about 4 mm. long, subulate-tipped, diver- 

 gent from their somewhat united bases. 



Type locality : On rocks in the Coast mountains near Roseburg, Oregon. 

 Distribution : Known only from the original locality. 



Z2>. Sedum Cockerellii Britton, Bull. N. Y. Bot. Gard. 3 : 41. 1903. 



Perennial, glabrous, branched, 2 dm. high or less. Basal leaves not seen ; stem-leaves 

 lanceolate to oblong-lanceolate, sessile, acute, 1-2.5 cm. long, 6 mm. wide or less; cymes 



