6 DIALYPETALOUS EXOQENS 



10. R. bulbbsus, L. Hairy ; stem erect from a solid bulb ; radical 

 leaves 3-parted, the terminal division petiolulate ; peduncles sulcate; 

 calyx reflexed. 



BULBOUS RANUNCULUS. Butter-cups. Crow-foot. 



Stem 9 to 15 inches high, often cespitose, more or less branched. Radical leaves 

 ternate and quinate-pinnate, on petioles 2 or 3 to 6 inches long; stem-leaves deeply 

 and pinnatifidly incised. Peduncles terminal, or opposite the leaves, 1 to 3 or 4 

 inches long, furrowed and angular. Carpels with a short recurved beak. 

 Hob. Meadows, and pastures. Nat. of Europe. Fl. May. Fr. June, July. 



Obs. This foreigner is becoming extensively naturalized, and is 

 often very abundant in pasture lots. It is considered as very much 

 of a nuisance, by the owners of meadows along the Brandywine. 

 The fleshy bulb is highly acrid ; and, it is said, is often used by 

 artful beggars, in Europe, to produce ulcers, &c., and thereby excite 

 sympathy. 



11. R. acris, L. Hairy; stem erect, not bulbous at base; leaves 

 3-parted, the divisions all sessile; peduncles not sulcate; calyx 

 spreading. 



ACEID RANUNCULUS. Tall Crow-foot. 



Stem 1 to 2 feet high, rather slender, branched above, sparingly leafy. Radical 

 leaves on long petioles. 

 Hob. Meadows, near Chadd's ford. Nat. of Europe. Fl. June. Fr. Aug. 



Obs. This unwelcome intruder has also found its way into our 

 County; but is yet comparatively rare. It was detected in 1841, 

 Iby Mr. JOSHUA HOOPES. 



TRIBE 4. HELLEBORIN'EAE. 



Sepals colored or petal-like; petals tubular, irregular or labiate (called notaries), 

 often wanting; carpels mostly few, rarely single, few- or several-seeded. Leaves 

 alternate. Perennial herbs. 



6. CAL.THA. L. 



[Or. Kalathos, a cup, or basket ; from the form of the flower.] 

 Sepak 5 to 9, petal-like. Petals none. Pistils 5 to 10, without 

 styles. Carpels follicular, compressed, spreading, many-seeded. 



1. C. palustris, L. Stem nearly erect, hollow, sulcate ; leaves 

 orbicular-cordate or sub-reniform, crenate, or nearly entire. 

 MARSH CALTHA. Marsh Marygold. 



Plant glabrous. Stem 5 to 8 or 10 inches high, succulent, sometimes dichoto- 

 mously branched. Radical leaves on petioles 3 to 6, and finally often 12 or 15, 

 inches long. Flowers rather large, few, somewhat corymbose, bright yellow. 

 Halt. Swampy springs, and wet meadows : frequent. Fl. April. Fr. May, June. 



7. AQIIIMTGIA, L. 



[Latin, Aqutta, an Eagle; the spurs somewhat resembling Eagles' claws.] 

 Sepals 5, regular, colored. Petals 5, labiate, produced backwards 

 into as many long tubular spurs. Pistils 5, with slender styles. 

 Follicles connivent, many-seeded. 



1. A, Cailcldensis, L. Spurs nearly straight; stamens and 

 styles longer than the sepals. 

 CANADIAN AQUILEGIA. Wild Columbine. 



