POPPY FAMILY 319 



1. E. mexicana Greene. Stout subacaulescent annual, glabrous, glauces- 

 cent; leaves coarsely dissected, with ascending divisions; scapes 1-2.5 dm. high; 

 calyx firm, opaque, ovoid, taper-pointed, 14-16 mm. long; petals light yellow, 

 1-2.5 cm. long, spreading; receptacle with a reflexed margin; stamens 20 or more. 

 Arid regions: Ariz. s Utah n Mex. L. Son. F-My. 



2. E. glyptosperma Greene. Acaulescent annual, glabrous and glaucous; 

 leaves numerous; blades rounded in outline, twice pedately ternate; peduncles 

 5-15 cm. long; calyx 8-10 mm. long, broadly ovoid, conic, shortly taper-pointed; 

 petals 8-15 mm. long, spreading; receptacle not with an obvious rim; stamens 

 30 or more. Arid regions: Calif. Nev. s Utah Ariz. L. Son. F-Ap. 



3. E. minuscula Greene. Slender caulescent annual, 1-3 dm. high, branched 

 near the base, leafy; leaves twice or thrice ternate, with linear spreading divi- 

 sions; calyx about 4 mm. long, ovate, acute or acuminate; petals orange, spread- 

 ing; receptacle without rim; stamens 8 or 12. E. ludens Greene. Arid regions: 

 Nev. Utah Ariz. Calif. Son. Ap-Je. 



FAMILY 51. FUMARIACEAE. FUMITORY FAMILY. 



Herbs, with alternate usually finely dissected leaves. Flowers perfect, 

 irregular, in racemes or panicles. Sepals 2, scale-like. Petals 4, the outer 

 ones spreading above, one or both spurred at the base, the inner smaller, 

 thickened above, enclosing the stigmas. Stamens 6; filaments diadelphous. 

 Gynoecium of 2 united carpels; ovary 1-celled, with 2 parietal placentae. 

 Fruit a capsule, rarely indehiscent. 



Both of the outer petals spurred at the base. 1. BICUCULLA. 

 One of the outer petals spurred . 



Ovules several or many; fruit an elongated capsule. 2. CAPXOIDES. 



Ovules solitary; fruit an indehiscent nut. 3. FUMARIA. 



1. BICUCULLA Adans. DUTCHMAN'S BREECHES, BLEEDING HEART. 



Perennial herbs, with horizontal, granular or tuberous rootstocks. Leaves 

 basal, long-petioled, repeatedly ternately divided. Flowers perfect, irregular, 

 in terminal racemes or panicles. Two outer petals spurred, loosely united, de- 

 ciduous, their tips spreading, the inner petals crested, clawed, cohering by their 

 tips. Stamens 6, in two bundles, opposite the outer petals; filaments diadelphous 

 at the base. Ovary with two parietal placentae; style filiform. Capsule elon- 

 gate, opening by two valves. Seeds 10-20, crested. [Dicentra Bernh.] 



Flowers racemose; spur elongate, oblong, divergent. 1. B. occidentalis. 



Flowers solitary; spur very short and rounded. 2. B. uni flora. 



1. B. occidentalis Rydb. Perennial, with a very short rootstock bearing 

 numerous tubers; scape and leaves perfectly glabrous; leaf-blades twice ternate, 

 the divisions twice pinnately divided into linear-oblong lobes, 1-2 cm. long; 

 scape about 3 dm. high; petals pink, the outer about 1 cm. long, their spurs 

 about 12 mm., divergent; crest of the inner petals prominent; capsule fusiform, 

 with the style about 1.5 cm. long. D. occidentalis Fedde. Shady hillsides: 

 Wash. 'Ida. Ore. Submont. Ap. 



2. B. uniflora (Kellogg) Ho well. Acaulescent perennial, with fascicled fusi- 

 form roots and a tuber-bearing crown; leaves twice or thrice ternate, with oblong 

 divisions, slightly pubescent, about 1 dm. long; scape 1 dm. long or less, 1-flowered; 

 corolla flesh-colored, about 15 mm. long; spurs represented by rounded sacks; 

 outer petals strongly recurved. D. uniflora Kellogg. Mountains: Wash. 

 Wyo. 'Utah Calif. Submont. Mont. Ap-Au. 



2. CAPNOIDES Adans. CORYDALIS. 



Annual, biennial, or perennial, caulescent herbs. Leaves alternate, bi- 

 pinnately dissected. Flowers perfect, irregular, in racemes. Outer petals dis- 

 similar, distinct, one of them spurred at the base, the two inner narrower, winged 

 or crested, coherent at the apex. Stamens 6, in two bundles, opposite the outer 



