Ordee 12.— PtrMARIACB^ 225 



ffliform ; slig. with one or more poiuta. Pr. eithei an indehisoent nut 1 — 2-seed6d, 



or a pod-ahaped capsule many-seeded. Sds. shining, ariled. Allmmeia fleshy. 



Illastrfttions, 42, 48, 44, 818. 



Gf»nera 15, species 110, — some of them beaulifal and delicate, Inhabiting thickotg in the tem- 

 per.ite regions of the northern hemisphere. They possess no remnrkable action upon the animal 

 •conomy. 

 Corolla equally 2-8purred or 2-gibbou8 at base, (a) 

 Corolla unequal, only one of the petals spurred, (b) 



a Petals not united, deciduous. Not climbing Dick.'<tea. 1 



a Petals united, persistent. Plants climbing Adlumia. 2 



b Fruit pod-shaped, many-seeded Corydalib. 8 



b Fruit a globular, l-see(lod nut ; Fumaiua- 4 



i. DICfiNTRA, Borkh. Ear-drop. (Gr. dig, double; nevTpov, a 

 spur ; from tlie cLaracter.) Sepals 2, small ; petals, 4, the 2 outer 

 equally spurred or gibbous at base, aad distinct ; stamens united in 2 

 sets of three each ; pod 2-valved, many-seeded. — i( FIs. in racemes on 

 scapes. 



Low herbs (60, with white flowers, in simple racemes Nos. 1, 2 



Taller (12'), with purple flowers, in paniculate racemes Nos. 8, 4 



1 D. cuoull^ria DC. Fig. 42, 43, 318. Dutchman's breeches. Root bulbi- 

 ferdus ; rac. 4 — 10-flowered, secund; spvjrs divergent, elongated, acute, straight, — 

 "Woods, Can. to Ky. A smooth, handsome plant. Ehizome bearing triangular, 

 small, pale red, scale-like tubers, forming a loose bulb under ground. Lvs. radical, 

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

 rather shorter than the scape. Scape slender 6 — 10' high. Pis. scentless, nod- 

 dmg, whitish, at summit yellow. Pedicels shorty axillary to a bract, and with 2 

 minute bracteoles near the flower. Spurs about as long as the corolla. Apr., 

 May. 



2 D. Canadensis DC. Fig. 44. Squirrel Corn. St. subterranean, iuberiferma, 

 tubers globous, raceme simple, secund, 4 — 6-flowered ; spur,s short, rounded, ob- 

 tuse, slightly incurved. — A smooth, pretty plant, common in rocky woods, Can. 

 to Ky. Tho rhizome bears a number of roundish tubers about the size of peas, 

 and of a bright yellow color. Lvs. radical, suhglaucous, biternate, the Ifts. deeply 

 pinnatifid, segments linear-oblong, obtuse, 5 — 8" long. Scape 6 — 8' high, bearing 

 a few odd-looking flowers. Oor. white, tinged with purple, fragrant, 5" long. 

 Sta. 3 on each lip. May, Jn. 



3 D. esiniia DO. Rhizome scaly; lvs. numerous; roc. compound, the branches 

 cymous ; fls. oblong, spurs very short, obtuse, incurved ; stigma 2-horned at apex. 

 — A fine species on rocks, etc., found by Dr. Sartwell in Yates Co., N. Y., S. to 

 N. Car. Lvs. radical, 10 — 15' high, somewhat triternate, with inoisely pinnati- 

 fid, acute segments. Scape 8 — 12' high, with several (4 — 8) cymes, each with 

 6 — 10 purplish, nodding flowers. Cor. 8 — 10" long, J as broad at base. Bracts 

 purplish, at baae of pedicels. Ju., Sept.f (Corydalis formosa Ph.) 



4 D. formdsa DC. Rhizome many-leaved; rac. slightly compound; fls. ovate, in-- 

 flated; spurs short, rounded, saccate; stig. entire. — Can. to Or. An elegant and 

 showy species in cultivation, about the size of the last, with foliage less incised 

 and lobes rather obtuse. Rac. secund, the cymes 2 to 4-flowered. Fls. bright 

 purple, about 10" long, by 5" or 6" wide, the stigma angular, not cleft as in No. 

 3. May, Jl.f 



2. ADLUMIA, Eaf. Mountain Fringe. (Named for JbAre ^diwrn,. 

 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-valved,. 

 many-seoded. — ® A delicate, climbing vine. 



A. cirrhosa Raf. Rocky hills, Can. to N. Car. Stem striate, many feet ia- 

 longth. Lvs. decompound, divided in a pinnate manner, ullamate divisions 3- 

 lobad, smooth, their footstalks serving for tendrils. Pis. very numerous, in axil- 

 lary, pendulous, cymous clusters, pale pink. CaJ. minute. Cor. slightly cordat» 



15 



