98 FUMARIACE^. Corydalis. 



C. crystallina, Engelm. Ascending or nearly erect, a foot or less high : flowers bright 

 yellow, about two thirds inch long, in a rather close or strict spike ; spur mostly horizontal, 

 nearly as long as the body ; dorsal crest shorter than the hood but very broad and salient, 

 usually 3-4-dentate : capsules linear-oblong, terete, half or tliree fourths inch long, erect on 

 extremely short pedicels, densely pruinose with (when fresh) transparent crystalline vesicles 

 (as in the Ice-plant) : seeds with acute margins, the coat minutely tubercular-reticulated. 

 — Engelm. in Gray, Man. ed. 5, 62. C. aurea, var. crystallina, Torr. & Gray, Fl. i. 665. i — 

 Prairies and fields, Arkansas and S. W. Missouri ; first coll. by Nuttall. 



C. flavula, DC. Slender, soon diffuse, branching : flowers usually pale yellow (rarely 

 " bright " or even " deep " yellow) a fourth or third inch long, slender-pedicelled and con- 

 spicuously bracted ; spur short and decurved ; outer petals surpassing the inner, acute or 

 acuminate ; dorsal crest very salient and 3-4-dentate : capsules linear and slender, torulose, 

 pendulous or spreading on filiform pedicels : seeds comparatively large, acutely wing- 

 margined, toward the margins rugose-reticulated. — Prodr. i. 129; Gray, Man. ed. 5, 61. 

 C. aurea, var. flavula. Wood, Bot. & Fl. 34. C.flavicIiila,ChsL]-)m. Fl. ed. 2, 604. Fumaria 

 flavuia, Raf. in Desv. Jour. Bot. i. 224 (1808).2 — Rocky or'gravelly places, Canada, on shore 

 of L. Erie, to Virginia, Tennessee, Missouri, aiul Louisiana. 



C. micrantha, Gray. Slender and diffuse, a span or two high, with hal)it of C. flavula, but 

 with smaller bracts and short pedicels : flowers pale yellow ; when well developed fully a 

 third inch long, narrow, with spur a line or two long, and a lunate mostly entire crest on 

 the back of the niucronate-ti])ped hoods ; often producing only cleistogamous and smaller 

 flowers, destitute of spur and with or without the crest : capsules linear, torulose, ascending 

 on short pedicels : seeds turgid and obtuse at margins, as in true C. aurea. — Bot. Gaz. xi. 

 189. C. aurea, var. micrantha, Engelm. in Gray, Man. ed. 5, 62. C. aurea, var. australis, 

 Chapm. Fl. ed. 2, 604.^ — AVaste or open ground, coast of N. Carolina, Havard, to Florida, 

 Texas, and Missouri.* Dr. Havard only has yet collected specimens showing both the 

 ordinary flowers and some clei.stogamous and spurless ones. 



Order X. CRUCIFER^. 



The genera Draha, Lesquerella, Nasturtium, Dri/opetalon , Plati/spermum, Selenia, Parrya, 

 Leamnworthia, Dentaria, Cardamine, Arabis, and Streptanthus by S. Wat.son ; the remaining 

 genera, together with the ordinal character and generic key, by B. L. Robinson. 



Herbaceous or rarely suffruticose plants with a watery juice. Flowers perfect, 

 regular,^ racemose, spicate, or somewhat corymbose, and (with rare exceptions) 

 ebracteate. Sepals 4, usually oblong, often colored, erect and appressed to 

 the corolla or spreading during anthesis ; the outer jiair median ; the inner 

 pair lateral, similar or more saccate at the base. Petals 4 (rarely wanting), 

 hypogynous, in a single whorl, equal, alternating with the sepals, more or less 

 distinctly unguiculate, entire, infrequently bifid or very rarely toothed or lobed, 

 yellow, white, roseate, or purple. Stamens normall\' 6 (rarely 4 or 2), hy- 

 pogynous, of unequal length (didynamous) ; the two outer ones lateral, shorter 

 than the others, opposite the inner sepals ; the remaining four (arising by 

 collateral chorisis of an original median inner pair) longer, nearly opposite the 



1 Add syn. Capnnides crystfiUinum, Kuntze, 1. c. 



2 Add syn. Capnnides fiavidum, Kuntze, 1. c. 



3 Add syn. Cnpnoides micranthum, Britten, 1. c. 



4 Said by Patterson (PL 111. 3) and Hill (Bull. Torr. CI. .xvii. 172) to grow throngho\it Illinois; 

 also reported from Minnesota by MacMillan, Metasp. Minn. Val. 25.''>. Specimens from these States 

 have not been seen by the editor. 



5 E.xcept sometimes in Streptanthus. 



