130 POLYGAMIA, FRUSTRANEA. 
326. EUDBECKIA. Gen.pl. 1324. (^Coi-ymUferx.) 
Calisc subequal, mostly consisting of a double 
series of leaflets. Receptacle paleaceous, 
conic. Pappus a 4-tootlied margin. — JSTntt. 
laciniata. 1. R. lower leaves pinnate ; wings three-lobed, 
upper ones ovate ; pappus crenatej stem gla- 
brous. — Schrader. Willd. emmi. 
Icon. Corn. Canad. t. 179. (Pursh.) Morris. 
Hist. 3. s. 6. t. 6. f. 53. 
Jagged-leaved Rudbeckia. 
A fine showy plant, from three to six feet high. Flowers 
very large, yellow, with the petals long, drooping. I have 
cultivated this plant, in my garden, and found it hardy. In 
watery thickets, and on the margins of all the neighbouring 
waters ; common. Perennial. August, October. 
pinnata ? R. all the leaves pinnate, one or both of the lower 
wings bi-partile, the rest nndivided ; pappus very 
entire; stem furrowed, his]^id.— -Schrader and 
Willd. enum. 
R. digitata, Willd. Sp. PL 
R. odorata, Hortul. 
Icon. Smith Exot. Eot. 38. Vent. jard. cels. 7L 
Kesembles No. 1, very much. I am not certain that this is 
the true pinnata; it seems, however, to fit the description. In 
thickets near the Buck-inn on the Lancaster-road, very rare. 
Flowers yellow. Perennial. July, August. 
327. BIDENS. Gen. pL 1267. ( Corymbiferee.) 
Calix subequal, caliculate. Mays often want- 
ing. Receptacle paleaceous, flat. Pappus 
3 or 4 reflected or erect and retrorsely sca- 
brous awns. Seed 4-sided. — JSTutt. 
ccrMa. 
1. B. flowers subradiated, drooping; exterior ca- 
