158 XII. FUMARIACE^. Corydalis. 



Canspectns of the Genera. 



^ Fruit a pod-shaped capsule. . . Corydalis. 3 



^ only 1 of the outer, sacc. or spurred. \ Fruit a subglobose nut. . . . Fumaria. 4 



< distinct, ^ 2 outer equally saccate or spurred Dielytra. 1 



Petals ( united, base bigibbous, apex 4-lobed. Climbing herbs. Adlv/mia. 2 



1. DIELYTRA. Borkhausen. 



Gr. Sis, double; eXvrpov, wing-case; in allusion to the two spurs. 



Sepals 2, small ; petals 4, the 2 outer equally spurred or gibbous 

 at the base ; stamens united in 2 sets of 3 in each ; pod 2-valved, 

 many-seeded. — %. 



1. D. CucuLLARiA. DC. (Corydalis Cucullaria. Pers.) Dutchman's 

 Breeches.. 



Rt. bulbiferous ; roc. 4 — lO-flowered, secund ; spurs divergent, elongated, 

 acute, straight. — Woods, Can. to Ky. A smooth, handsome plant. Rhizoma 

 bearing triangular, small, pale-red bulbs under ground. Leaves radical, mul- 

 tind, somewhat triternate, smooth, with oblong-linear segments, the petioles 

 rather shorter than the scape. Scape slender, 6 — 10' high. Flowers scentless, 

 nodding, whitish, at summit yellow. Pedicels short, axillary to a bract, and 

 with 2 minute bracteoles near the flower. Spurs about as long as the corolla. 

 April, May. 



2. D. Canadensis. DC. (D. eximia. Beck. Corydalis Canadensis. 

 Goldie.') Squirrel Corn. Dutchman's Breeches. 



St. subterranean, tuberiferous ; tubers globose ; rac. simple, secund, 4 — 6- 

 flowered ; spurs short, rounded, obtuse, slightly incurved. — A smooth, pretty 

 plant, common in rocky woods, Can. to Ky. The rhizoma bears a number of 

 roundish tubers about the size of peas, and of a bright-yellow color. Leaves 

 radical, subglaucous, biternate, the leaflets deeply pinnatifid, segments linear- 

 oblong, obtuse, 5 — 8" long. Scape 6 — 8' high, bearing a few odd-looking 

 flowers. Corolla white, tipped with yellow, b" long. Calyx minute. Sta- 

 mens 3 on each lip. May, Jn. 



3. D. EXIMIA. DC. (Corj'dalis formosa. Ph.') Choice Dielytra. 

 Rhizoma scaly-bulbiferous ; Ivs. numerous ; rac. compound, the branches 



cymose ; spurs very short, obtuse, incurved ; stigma 2-horned at apex. — A fine 

 species, on rocks, &c., found by Dr. Sartu-ell^ in Yates Co., N. Y. (S. to N. 

 Car.^ Leaves radical, 10 — 15' high, somewhat triternate, with incisely pin- 

 natind segments, but quite variable. Scape 8 — 12' high, with several (4 — 8) 

 cj-mes, each with 6 — 10 purplish, nodding flowers. Corolla 8 — 10"long, Droad 

 at base. Bracts purplish, at base of pedicels. Jn. — Sept. -j- 



2. ADLUMIA. Raf. 



Named for John Adlum, Washington, D. C, a cultivator of the vine. 



Sepals 2, minute ; petals 4, united into a fungous, monopetalous 

 corolla, persistent, bigibbous at base, 4-lobed at apex ; stamens united 

 in 2 equal sets ; pod 2-valYed, many-seeded. — (D Climbing. 



A ciRRHosA. Raf. (Fumaria fungosa. Willd. Corydalis. Pers.) Moun- 

 tain Fringe. 



A delicate climbingvine,native of rocky hills. Can. to N. Car. Stem stri- 

 ate, many feet in length. Leaves decompound, divided in a pinnate manner, 

 ultimate divisions 3-lobed, smooth, their foot-stalks serving for tendrils. 

 Flowers very numerous, in axillary, pendulous, cymose clusters, pale-pink. 

 Calyx minute. Corolla slightly cordate at base, of 4 petals united into a 

 spongy mass, cylindric, compressed, tapering upwards, 2-lipped. Fine foi 

 arbors. Jn. — Aug.-f 



3. CORYDALIS. DC. 



Greek name of the Fumitory, from which genus this was taken. 



Sepals 2j small ; petals 4, one of which is spurred at the base ; 



