POPPY FAMILY 319 



1. E. mexicana Greene. Stout subaoaulescent 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, si)reading; receptacle with areflexed margin; stamens 20 or more. 

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



2. E. glj^tosperma 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. ""T 



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. BIcucxjlla. 

 One of the outer petals spurred . 



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



Ovules solitary; fruit an mdehiscent nut. 3. Fumarlv. 



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 l(>-20, crested. [Dicentra Bernh.] 



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



Flowers solitary; spur very short and roimded. 2. B. uniflora. 



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

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

 the divisions twice j)innately 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) Howell. 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 



