44O FLORA. 



4. STYLOPHORUM Nutt. 



Herbs, with stout rootstocks, yellow sap, pinnatifid leaves and clustered or 

 solitary flowers. Sepals 2. Petals 4. Stamens. oo . Placentae 2-4; stigma 2-4- 

 lobed, radiate. Capsule dehiscent to the base. Seeds cancellate, crested. [Name 

 Greek, style-bearing.] About 4 species, natives of eastern N. Am. and Asia. 



i. Stylophoium diph^Jlum (Michx.) Nutt. YELLOW OR CELANDINE POPPY. 

 (I. F. f. 1666.) Glaucous, especially the lower surfaces of the leaves, sparingly 

 pubescent, 3-4.5 dm. high. Leaves 1-2.5 dm. long, slender-petioled, i-2-pinnat- 

 ifid, the divisions obovate, obtuse, lobed or irregularly crenate, those of the stem 

 2-4, the upper opposite; flowers 2-4, terminal, about 2.5 cm. broad, deep yellow; 

 sepals hirsute, caducous; petals obovate, rounded; capsule 2.5 cm. long, ovoid, 

 acute at each end, hirsute, tipped with the persistent style. In low woods, western 

 Penn. (?), Ohio to Term., Wis. and Mo. March-May. 



5 GLAUCIUM Juss. 



Glaucous herbs, with alternate lobed or dissected leaves, and saffron-colored 

 sap. Sepals 2. Petals 4. Stamens oo . Placentae 2, rarely 3; stigma sessile, 

 dilated, 2-lobed, the lobes convex. Capsule long-linear, 2-celled, dehiscent to the 

 base. Seeds cancellate, crestless. [Name Greek, from the glaucous foliage.] 

 About 6 species, natives of the Old World. 



i. Glaucium Glaucium (L.) Karst. YELLOW HORNED OR SEA POPPY. (I. 

 F. f. 1667.) Stout, 6-9 dm. high. Leaves thick, ovate or oblong, 0.7-2 dm. 

 long, scurfy, the lower petioled, the upper sessile, clasping, all pinnatifid, the divi- 

 sions toothed; flowers axillary and terminal, yellow, 2-5 cm. broad; capsule nar- 

 rowly linear, 1.5-3 dm. long, tipped with the persistent stigma. In waste places, 

 R. I. to Va. Adventive from Europe. Summer. 



6. CHELIDONIUM L. 



Erect branching herbs, with alternate, deeply pinnatifid leaves, yellow sap and 

 yellow flowers. Sepals 2. Petals 4. Stamens oo . Placentae 2. Styles distinct; 

 stigma not dilated, 2-lobed. Capsule linear, dehiscent to the base. Seeds smooth, 

 shining, crested. [Name Greek for the swallow.] A monotypic genus of Europe 

 and Asia. 



i. Chelidonium majus L. CELANDINE. (I. F. f. 1668.) Weak, 3-6 dm. 

 high, sparingly pubescent. Leaves thin, 1-2 dm. long, glaucous beneath, 1-2- 

 pinnatifid, the segments ovate or obovate, crenate or lobed ; petioles often dilated 

 at the base ; flowers 12-16 mm. broad, in axillary pedunculate umbels ; petals 

 rounded ; pedicels slender, elongating in fruit ; capsule glabrous, 2-5 cm. long, 

 tipped with the persistent style and stigma. Was'e places, roadsides and woods, 

 common in the East. Nat. or adventive from Europe. Summer. April-Sept. 



7. BICUCULLA Adans. [DICENTRA Bernh.] 

 Herbs, with dissected leaves, and clustered irregular flowers. Pedicels 2- 



bracted. Sepals 2, scale-like. Corolla cordate at base ; petals 4, in 2 pairs, con- 

 nivent, slightly coherent, the exterior pair oblong, concave, spurred at the base, 

 spreading at the apex, the inner narrow, clawed, coherent above, crested or winged 

 on the back. Stamens 6, in two sets placed opposite the outer petals ; filaments 

 more or less diadelphous. Placentae 2; style slender; stigma 2-4 lobed. Capsule 

 oblong or linear, dehiscent to the base by 2 valves. Seeds crested. [Name from 

 the Latin, double-hooded.] About 14 species, natives of N. Am. and western Asia. 



Raceme simple; flowers white or whitish. 



Spurs divergent ; inner petals minutely crested. i. B. Cucullaria. 



Spurs short, rounded ; inner petals conspicuously crested. 2. B. Canadensis. 



Raceme compound; flowers deep pink. 3. B. eximia. 



i. Bicuculla Cucullaria (L.) Millsp. DUTCHMAN'S BREECHES. SOLDIER'S 

 CAP. (I. F. f. 1669.) Delicate, glabrous, 1-2.5 dm. high, from a bulbous base. 

 Leaves basal, pale beneath, slender petioled, ternately compound, the divisions 

 stalked and dissected into linear or oblanceolate segments; scape slender; raceme 

 secund, 4-io-flowered ; flowers nodding, pedicelled, 12-16 mm. long, 6-20 mm. 



