1. C. glaùca, Pursh. (PALE CORYDALIS.) Racemes panicled; spur of the corolla very short and rounded; pods erect, slender, elongated.--Rocky places; common; 6´--2° high. May--Aug. [*][*] _Low, ascending; flowers yellow._ [+] _Outer petals wing-crested on the back._ 2. C. flávula, DC. Pedicels slender, conspicuously bracted; corolla pale yellow, 3--4´´ long, spur very short; tips of the outer petals pointed, longer than the inner; crest 3--4-toothed; pods torulose, pendulous or spreading; seeds acutely margined, rugose-reticulated; aril loose.--Penn. to Minn., and southward. 3. C. micrántha, Gray. Pedicels short and bracts small; corolla pale yellow, 4´´ long, with short spur and entire crest, or flowers often cleistogamous and much smaller, without spur or crest; pods ascending, torulose; seeds obtuse-margined, smooth and shining.--N. Car., Mo., Minn., and southward. 4. C. crystállina, Engelm. Pedicels short, erect; corolla bright yellow, 8´´ long, the spur nearly as long as the body; crest very broad, usually toothed; pods terete, erect, densely covered with transparent vesicles, seeds acutely margined, tuberculate.--S. W. Mo. and southward. [+][+] _Outer petals merely carinate on the back, not crested._ 5. C. aùrea, Willd. (GOLDEN C.) Corolla golden-yellow, ½´ long, the slightly decurved spur about half as long, shorter than the pedicel; pods spreading or pendulous, becoming torulose; seeds obtuse-margined.--Rocky banks, Vt. to Penn., Mo., Minn., and westward. Var. occidentàlis, Engelm. Flowers rather larger, the spur nearly as long as the body; pods less torulose, on short pedicels; seeds acutish on the margin.--Neb. and Kan. to W. Tex. and westward. 4. FUMÀRIA, Tourn. FUMITORY. Corolla 1-spurred at the base. Style deciduous. Fruit indehiscent, small, globular, 1-seeded. Seeds crestless.--Branched and leafy-stemmed annuals, with finely dissected compound leaves, and small flowers in dense racemes or spikes. (Name from _fumus_, smoke.) F. OFFICINÀLIS, L. (COMMON FUMITORY.) Sepals ovate-lanceolate, acute, sharply toothed, narrower and shorter than the corolla (which is flesh-color tipped with crimson); fruit slightly notched.--Waste places, about dwellings. (Adv. from Eu.) ORDER 10. CRUCÍFERÆ. (MUSTARD FAMILY.)