CRUCIFEFUE. 23 



Flowers large, white, tinged with yellow and purple. Spurs frequently much 

 divaricated. Dutchman's Breeches. 



2. D. Canadensis Torr. : scape naked, raceme simple, 4 6 flowered ; spurs 

 short, rounded ; wing of the inner petals projecting beyond the summit. 

 Didytra Canadensis D. C. Corydalis Canadensis Goldie. 



Rocky woods. Can. to N. Y. W. to Ken. April. % Root tuberous. 

 Scape 56 inches high, rising above the leaves, which usually have the seg- 

 ments longer and narrower than those of the preceding species. Flowers fra- 

 grant, white, tinged with pale purple. Turkey Corn. 



3. D. eximia Torr. : scape naked ; raceme compound, the branches cym- 

 ulose ; spurs short, obtuse, somewhat incurved; wings of the petals project- 

 ing beyond the summit ; leaves numerous. Didytra eximia D. C. Cory- 

 dalis formosa Pursh. 



Mountains. Yates County, N. Y. Sartwell. S- to Car. April July. Tj.. 

 Root bulbous. Scape 8 12 inches' high. Leaves numerous. Flowers pendu- 

 lous, reddish purple. Choice Dicentra. 



3. CORYDALIS. D. C. Corydalis. 

 (From ^opvJaXif, the Greek name of Fumitory.) 



Petals 4, one spurred at base. Pod 2-valved, compressed, 

 many-seeded. 



1. C. glauca Pursh.: stem erect, branched; leaves glaucous, decom- 

 pound; segments cuneate, trifid; bracts oblong, acute, shorter than the 

 pedicels ; pod linear, flat, scarcely torulose. Fumaria glauca Curtis. 



Rocky woods. Can. N. to 64 S. to Car. W. to Miss. May July. (J) or 

 (g). Stem 1 2 feet high. Leaves 1 3 inches long, the lower ones on long 

 petioles. Flowers variegated with red yellow and green. 



Glaucous Corydalis. 



2. C. aurea Willd. : stem branched, diffuse ; leaves glaucous, doubly pin- 

 nate ; lobes oblong, acute ; bracts lanceolate or ovate, acuminate, toothed ; 

 pod terete, torulose. Fumaria aurea MiM. 



Shady rocks. Throughout Can. and N. to lat. 64. W. to Rocky Mountains, 

 and S. to S. Car. April August. or . Stem 812 inches high, branch- 

 ing, slender. Racemes terminal and opposite the leaves. Flowers small, bright 

 yellow. Golden Corydalis. 



4. ADLUMIA. Raf. Climbing Fumitory. 



( In honor of Mr. John Adlum, a distinguished cultivator of the vine.) 

 Petals 4, united in a spongy monopetalous corolla, persistent, 

 and with two protuberances at base. Pod 2-valved, many- 

 seeded. 



A. cirrhosa Raf. : Corydalis fungosa Pers. Fumaria fungosa Willd. 

 Woods. Can. to Penn. Catskill mountains. July September, (g). Stem 

 8 15 feet long, slender, branching and climbing. Leaves pinnately divided, 

 the midrib twining like a tendril. Flowers in compound axillary racemes, 

 pale violet or nearly white. Climbing Fumitory. 



ORDER XII. CRUCIFEILE. CRL CIFERS. 



Sepals 4, deciduous, imbricate or valvate. Petals 4, cruciate, 

 alternate with the sepals. Stamens 6, of which two are shorter, 



