Sedum. CRASSULACEiE. 559 



~U^ 3. S. sparsiflorum (Nutt. ! mss.) : " glabrous, branched from the base, 

 erect or decumbent; leaves all scattered, oblong, small ; cyme compound; 

 the flowers sessile, scattered along the circinato l)ninches, mostly dfcandrous; 

 petals (yellow) lanceolate, acute, rather longer than the ovale sepals; biyles 

 short. 



Plains of Red River, Arkansas, Nvttall! Dr. James! Dr. Pitcher! Dr. 

 Leaveiiworlk ! Texas, Drummond! May. — (l) Stems 2-4 inches liigh. 

 Leaves about 2 lines long. Flowers small. 



/ 4. S. spathulifoUum (Hook.): glabrous, glaucous or pulvendent; leaves 

 broadly spatulate, obtuse ; the upi)ermost small; stems decumbent at the 

 base; cyme compound; (lowers slightly pedicellate, decandrous; petals 

 (yellow) linear-lanceolate, acute, much longer than the calyx, scarcely ex- 

 ceeding llie stamens. — Hook.fl. Bor.-Am. I. p. 227. 



Oregon, on rocks, Douglas, JSutlall! May. — H Steins about 6 inches 

 high. Flowers rather large. 



5. .5*. Oregamtm (Nutt.! mss.) : "glabrous, not glaucous; leaves all scat- 

 tered, spatulate, rounded at the summit ; stems erect, simple ; cyme com- 

 pound ; the flowers on very short pedicels, decandrous ; petals (pale rose- 

 color) linear-lanceolate, much acuminate, 3-4 times the length of the ovate- 

 lanceolate acuminate sepals, and about twice the length of the stamens." 



Rocks, near the mouth of the Oregon, Nuttall ! — H Petals more than 

 half an inch long. 



.< 6. S. ternatum{^l\chx.): leaves glabrous, entire ; the lower ones ternately 

 'verticillate, broadly cunciform-obovate, attenuate at the base ; the upper- 

 most scattered, oval or lanceolate, sessile ; stems low, creeping at the base, 

 assurgent ; cyme 3-spiked, with the flowers unilateral and octandrous, sessile, 

 about the length of the leafy bracts; the solitary central flower decandrous ; 

 stamens shorter than the linear-lanceolate acute (white) petals. — Michx. ! ji. 

 1. ;;. 277 ,• Pumh, I. c. ; Ell. sk. l.p. 529 ; Turr. ! Jl.l.p. 463 ; Bot. mas. t. 

 1977 ,• Bot. reg. t. 142 ; DC! prodr. 3. p. 403 ; Darlingt. Jl. Cest. p. 482. 

 S. annuum, <5cc. Gronov.! Ji. Virg. ed. 2. p. 71. S. portulacoides, Muhl. ! 

 in W'dld. enum. l.p. 484. 



Rocky banks of streams, Upper Canada ! and Pennsylvania! to the moun- 

 tains of Georgia, and throughout the Western States ! May-June. — U Stems 

 branching from tlie base, 3-8 inches long. Branches of the cyme spreading 

 or recurved, loosely flowered. Sepals linear-oblong, obtuse. Anthers pur- 

 plish-b rown. — Stone-crop. 



7. S. pidchelhim (Michx.) : leaves glabrous, linear, obtuse, flattish, closely 

 sessile and more or less auriculate at the base, very numerous, scattered ; 

 stems assurgent, often branching from the base ; cyme of several umbellate 

 spikes, which arc spreading or recurved in flower, but straight and rather 

 erect in fruit; the flowers crowded, closely sessile, unilateral, somewhat ex- 

 ceeding the linear bracts, octandrous ; the solitary central one commonly 

 decandrous; petals (pale purple or rose-color) lanceolate, acute, about twice 

 the lensth of the lanceolate obtuse sepals. — Michx.! jl. \. p. 277 ; Muhl. ! 

 cat.p.AG ; Nutt. gen. l.p. 292? S. pulchrum, DC. I. c. 



/?. flowers rather larger ; petals pale rose-color ornearly white. — S. lini- 

 folium, Null.! 7nss. 



On rocks, in the mountainous portions of Virginia ! to Georgia ! and west 

 to Kentucky ! Tennessee ! Arkansas ! and Texas ! 0. Arkansas, Nuttall ! 

 May-June.— K? or (T) Stems 4-12 inches long. Branches of the cyme 

 rarely somewhat scattered. Anthers brown. Styles slender. 



8. S. Douglasii (Hook.) : glabrous ; leaves linear-subulate, crowded, very 

 acute, flat on the upper side, carinate below, with membranaceous margins 



