CKUCIKKR^. (mustard FAMILY.) 23 



Stemlcss pcrenniiil licrbs, with tcrnatcly-compound and dissected leaves. Flow- 

 ers racemose, nodding. 



1. D. Cucullaria, T)C. Khlzoma granular, bulb-like ; scape simple, 

 4-10-flo\vca'd, longer than the (1-3) long-pctioled linear-lobed leaves ; corolla 

 whitish, with two divergent, wing-like spurs, longer than the pedicel ; inner petals 

 minutely crested. — Rich woods, North Carolina and northward. April. — 

 Scape G'-9' high. 



2. D. eximia, T>C. Rluzoma granular, scaly ; raceme compound, niany- 

 flowercd, shorter than the (3-8) oblong-lobcd leaves; corolla rose-color, 2-gil)bous 

 at the base ; inner petals conspicuously crested ; stigma 2-horned at the apex. — 

 Mountain rocks. North Carolina and northward. Juno -September. — Scape 

 8' -12' high. Bracts purplish. 



3. CORYDALIS, Vent. 



Sepals minute. Petals separate, deciduous ; one of the outer ones sac-like 

 at the base. Filaments united nearly to the summit, with a gland at the base. 

 Stigma 2-lobed. Capsule many-seeded. Seed crested. — Caulescent, annual or 

 biennial herbs, with bipinnate dissected kavcs, and flowers in lateral and termi- 

 nal racemes. 



1. C. aurea, Willd. Stems diffuse ; racemes simple ; capsule knotted, 

 drooping ; crest of the seeds scalloped ; flowers yellow. — Banks ot the Apa- 

 lachicola River (and as an annual M'ecd in gardens), Florida to Mississippi 

 and northward. March and April. — Stems C'-12' long. Leaves hnely dis- 

 sected. 



2. C. glauca, Pursh. Stems erect ; racemes compound ; capsule even, 

 erect, crest of the seeds entire, flowers whitish, tinged with yellow and reddish. 

 — Mountains of North Carolina and northward. May. — Plant glaucous, 1° - 2° 

 high. Divisions of the leaves coarser than the last. 



Order 12. CRUCIFER^. (Mustard Family.) 



Herbs with pungent watery juice, alternate exstipulate leaves, and reg- 

 ular hypogynous racemose or corymbose flowers, on bractless pedicels. 

 Fruit a silique or silicle. — Sepals 4, deciduous. Petals 4, regular, placed 

 opposite each other in pairs, their spreading limbs forming a cross. Sta- 

 mens 6 (rarely fewer), two of them shorter. Capsule 2-celled by a mem- 

 branaceous partition which unites the two marginal placentas, from which 

 the two valves sepai-ate at maturity, or indehiscent and nut-like, or sepa- 

 rating into 1-seeded joints. Seeds campylotropous, -without albumen, 

 filled with the large embryo, which is curved or folded in various ways, or 

 straight only in Leavenworthia. (Tlie genera are distinguished chiefly 

 by the fruit and seed ; the flowers being nearly similar throughout the 

 order.) 



