358 COMPOSIT.E. SoLiDAGo. 



4. SoLiDAGO CiEsiA, Linn. Blue-stemmed Golden-rod. 



Stem terete, smooth, glaucous, simple or branching ; leaves lanceolate, acuminate, acutely 

 serrate, smooth ; heads in short axillary clusters, and sometimes racemose at the summit ; 

 scales of the involucre smoothish, obtuse ; achenia pubescent. — Linn. sp. 2. p. 789 ; Ait. 

 Ketv. (ed. 1.) 3. p. 217 ; Pursh, fl. 2. p. 540 ; Ell. sk. 2. p. 385 ; Bigel. fl. Bost. p. 306 ; 

 Beck, hot. p. 191 ; Darlingt.Jl. Cest. p. 460 ; DC. prodr. 5. p. 330 ; Torr. <^ Gr.fl. N. Am. 

 2. p. 199. S. flexicaulis, Linn- herb. S. flexicaulis, var. 3. Mich-x.Jl. 2. p. 1 18. S. axillaris, 

 Pursh, fl. 2. p. 542 ; Beck, I. c. ; DC. prodr. 5. p. 335. S. livida, Willd. cnum. p. 891 ; 

 Pursh, I. c. 



Stem 1^ - 3 feet high, slender, usually of a purplish color, and more or less glaucous, 

 nearly straight, often paniculately branched above. Leaves 3-5 inches long, and commonly 

 5-8 lines wide, but sometimes considerably broader, particularly the lovfest and radical 

 ones, narrowed at the base, but sessile, sharply and often rather coarsely serrate ; the teeth 

 either appressed or somewhat spreading. Heads rather smaller than in the preceding species, 

 and the clusters generally much shorter. Rays 3 - 4 : disk-flowers 5-7. Achenia pubes- 

 cent, but not silky. 



Woods and thickets ; common. September - October. This plant sometimes approaches 

 S. latifolia, but is probably a distinct species, being distinguished by its round and terete stem, 

 much narrower leaves, etc. 



•♦ Racemes terminal, creel, not secund, either simple arul virgaie, or compound and paniculate : leaves feather-veined. 



5. SoLiDAGO sTRicTA, Alt. (Plate LIII.) Willow-leaved Golden-rod. 



Plant smooth ; stem strict, simple ; leaves lanceolate, acute ; the radical and lower cauline 

 ones sparingly and minutely appressed-serrate, tapering into winged somewhat sheathing 

 petioles ; the upper sessile, entire ; racemes (simple or compound) appressed, numerous, 

 forming a crowded and very strict panicle which is usually leafy towards the base ; heads 

 8 - 12-flowered ; scales of the involucre linear-oblong, obtuse ; rays 5-6, small ; achenia 

 smooth.— Atf. Kew. (ed. 1.) 3. p. 216 ; Willd. sp. 3. p. 2062 ; Pursh, fl. 2. p. 540?; Hook, 

 fl. Bor.-Am. 2. p. 4 ; DC. prodr. 5. p. 340?; Torr. <Sf Gr. fl. N. Am. 2. p. 204. 



Stem 2-4 feet high, virgate, purplish. Leaves thickish ; the radical ones (including the 

 long winged petiole) 6-10 inches long and 1 - I5 inch wide ; the serratures very small and 

 glandular ; upper ones nearly entire. Racemes forming a dense upright panicle. Pedicels 

 smooth, or nearly so. Heads rather small. 



Sphagnous swamps ; sometimes on mountains. Catskill mountains {Mr. R. Benner). 

 Near Troy {Dr. Wright). Oneida county {Dr. Gray). Near Lewiston, &c. {Dr. Knieskem). 

 Latter part of July - September. 



