370 ORDER LXVm. COMPOSITE. 



Bubulate awns. — White. Sept. — Oct. Western Geo. and Ala. 2 — 7 

 feet.. 



Genus XX.— BRACHYCHiE'TA. T. & G. 



(From, v,e presume, brakus, short, and chaite, hair, in allusion to its stem.) 



Heads few-flowered. Involucre cylindrical, imbricate', outer 

 ones the shortest. Receptacle naked ; disk florets about as long 

 as the ray florets. Papims consisting of short, scabrous bristles, 

 in one series. Achenia obconic. Herbaceous plants, with al- 

 ternate serrate leaves. 



1. B, corda'ta, (T. & G.) Stem pubescent, simple or paniculately 

 branched at the summit. Leaves cordate at the base of the stem, be- 

 coming less so toward the summit, finely veined. Flowers in a unil t- 

 61 al raceme or spike. — Yellow. If. N. Car. and Northern Geo. 2 — 4 

 feet. 



Genus XXL— SOLID A' GO. L. 



(From solido, I make firm.) 



Involucre imbricate, with appressed scales ; florets of the ray 

 usually 5, pistillate ; those of the disk perfect. Recepiacle 

 naked, punctate. Pappus pilose, simple. 



1. S. discoi'deus, (Ell.) Stem erect, usually villous, with few erect, 

 virgate branches. Leaves spatulate, coarsely serrate, aeute, pubesc nt. 

 Flowers in long, virgate panicles ; involucre with villous, subulate 

 scales; ray florets wanting ; those of the disk deeply 5-cleft, 12 — 15. 

 *Secc? glabrous. — Purple. If. Sept. — Oct. In rich, high lands. Xorth- 

 ern Geo. 3 — 4 feet. 



2. S. Canaden'sis, (L.) Stem erect, villous. Leaves lanceolate, ser- 

 rate, 3-nerved, scabrous on the upper surface, pubescent beneath. 

 Flowers in long, recurved racemes, secund; involucre with 12 — 16 ob- 

 long, appressed scales ; ray florets very short. — Yellow. If. Sept. — 

 Oct. Mountains of Car. Golden Bod. 



3. S. pu'bens, (Rev. M. A. Curtis.) Stem virgate, nearly terete, pu- 

 bescent, tomentose-villous above. Leaves ovaldanceolate, sessile, sei-- 

 rate, nearly glabrous above, pubescent on the veins beneath. Heads in 

 email axillary- clusters ; involucre villous ; rays small, 4 — 7; disk flo- 

 rets as many. Achenia caneseent. — Aug. — Sept. N. C. 2 — 3 feet. 



4. S. Buckley'i, (T. & G.) Stem villous, leafy. Leaves oblong, ses- 

 sile, villous on the under surface, coarsely serrate. Heads in small ax- 

 illary clusters ; scales of the involucre nearly glabrous ; rays 4 — 6 ; 

 disk florets 9 — 12. Achenia glabrous. — Yellow. Oct. Ala, 2 — 3 

 feet. 



5. S. proce'ea, (Ait.) ASi!e?/j erect, villous. Z^caf^s lanceolate, 3-nerv- 

 ed, acute at each end, finely serrate, scabrous on the upper surface, 

 finely villous beneath. Floivers in erect racemes, panieuhite ; involu- 

 cre with linear-lanceolate scales ; ray florets small. — Yellow. If. 

 Sept.— Oct. Middle Geo. 3—5 feet. 



6. S. KUGo'sA, (Willd.) -Stem erect, hispid, branching toward the 

 samniit. Lower leaves sessile, lanceolate, serrate, scabrous, hairy un- 



