liA A UN C ULA CEAE. 147 



Sepals deciduous; stem scape-like, bearing one leaf. 



5, Canimarum. 

 Flowers regular ; leaves teruately or pinnately compound or decompound. 

 Petals not spurred. 



Low herbs with solitary or panicled flowers. 6. Coptis. 



Low shrub with racemose flowers. 7. Xanthorrhisa. 



Tall, erect herbs with racemose flowers. 



Fruit berries. 8. Actaea. 



Fruit follicles. 9. Cimicifuga. 



Petals prolonged backward into hollow spurs. 10. Aquilegia. 

 Flowers irregular. 11. Delphinium. 



Carpel 1-ovuled ; fruit an achene. 



Flowers subtended by involucres remote from the calyx or close under 

 it; sepals petal-like. 

 Involucre remote from the calyx; styles short, subulate. 



12. Anemone. 

 Involucre of 3 simple sessile leaves close under the flower. 



13. Hepatica. 

 Involucre of 3 compound sessile leaves ; leaflets stalked ; stigma 



sessile. 14. Syndesmon. 



Flowers not subtended by involucres. 

 Leaves opposite ; sepals petal-like. 



Petals wanting. 15. Clematis. 



Petals present, small, spatulate. 16. Atragene. 



Leaves alternate or basal. 



Petals present, bearing a nectariferous ])it at the base of the 

 blade. 

 Achenes compressed, smooth, papillose or spiny; flowers 



yellow. 17. Banunculus. 



Achenes transversely wrinkled ; flowers white. 



18. Batrachium. 

 Achenes swollen, smooth ; sepals 3, petals mostly 8. 



19. Ficaria. 

 Achenes compressed or terete, longitudinally nerved. 



20. Oxygraphis. 

 Petals none; leaves ternately compound. 21. Thalietrum. 



» 

 1. HYDRASTIS Ellis. 



1. Hydrastis Canadensis L. Golden Seal, Orange Root, ¥ellow Puceoon. 

 M. p. 412. Rich woods. Spring. 

 Fhiladelphia— (F.) . Buels— Hock Hill (Cr.), near Quakertowu (Fr.). 

 Mon^^omer^/— Manayunk, Mart. (B. C), Sumneytown (VP.). Delaware 

 — Darby, Glen Mills, (Fu.), Concord (He.), Wawa, Upper Providence 

 near Crum Creek (B. Sm.). C/iesier— Willistown Twp. (Pr.), Pocopsin 

 (St.), Cheyney (Ws.). Lancaster— Peach Bottom (Ca.), York Furnace 

 (Cr.) (Le.). LeUgh—'RocMale (Kr.). 



New Castle— Mount Cuba (Ha.) (Ke.), Hoekessin, Michener; Ashland, 

 Commons; Rockland, Tatnall and Commons; Yorklyn. 



2. CALTHA L. 



1. Caltiia palustris L. Marsh-marigold. M. p. 412. Swamps and wet 



meadows. Spring. 



Philadelphia— Bjherr J, Mart. (B. C), Franklin Woods, Germantown 



(Me.). Bucks — Sellersville, common (Fr.), Rock Hill (Mac), Bonair 



(Sa.), Haycock Mountain (Ws,). Montgomery— ^TjnMa-WT: (Ke.),Chel- 



ten Hills (Te.). J)(??fnra?-e - Near Media (Fu.) (B. Sm.), Glen Mills 



