CRUCIFER.^. (mustard FAMILY.) 61 



3. CORYDALIS, Vent. 



Corolla l-spurred at the base (on the upper side), deciduous. Style per- 

 sistent. Pod many-seeded. Seeds crested or arilled. Flowers in racemes. 

 Our species are biennial, leafy -stemmed, and pale or glaucous. (The ancient 

 Greek name for the crested lark.) 



* Stem strict ; flowers purplish or rose-color with yellow tips. 



1. C. glaiica, Pursh. (Pale Corydalis.) Racemes panicled ; spur of 

 the corolla very short and rounded ; pods erect, slender, elongated. — Kocky 

 places ; common ; 6' - 2° high. May - Aug. 



* * Low, ascending ; Jloivers yellow. 

 -t- Outer petals icing -crested on the back. 



2. C. flavilla, 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 lUinu., and 

 southward. 



3. C. micrantha, 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. — X. Car., 111., ]\Iiun., and southward. 



4. C. crystallina, Engelm. Pedicels short, erect ; corolla bright yel- 

 low, 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. AV. Mo. and southward. 



•t- ■*- Outer petals merely carinate on the back, not crested. 



5. C. aiirea, AVilld. (Goldex C.) Corolla golden-yellow, Y long, the 

 slightly decurved spur about half as long, shorter than the pedicel ; pods 

 spreading or pendulous, becoming torulose; seeds oI)tuse-margined. — Rocky 

 banks, Vt. to Penn., iNIo., ^Nlinn., and westward. 



Var. oceidentalis, Engelm. Flowers rather larger, the spur nearly as 

 long as the body : pods less torulose, on short pedicels ; seeds acutish on the 

 margin. — Xeb. and Ivan, to W. Tex. and westward. 



4. FUM^RIA, Touro. Fumitory. 



Corolla l-spurred at the base. Style deciduous. Fruit indehiscent, small, 

 glol)ular, 1-seeded. Seeds crestless. — Branched and leafy-stemmed annuals, 

 with finely dissected compound leaves, and small flowers in dense racemes or 

 spikes. (Xame iromfumus, smoke.) 



F. OFFICINALIS, L. (CoMMOx FuMiTORY.) Scpals ovate-lauceolate, acute, 

 sharply toothed, narrower and shorter than the corolla (which is flesh-color 

 tipped' with crimson) ; fruit slightly notched. — AYaste places, about dwellings. 

 (Adv. from Eu.) 



Order 10. CRUCIFER^^. (Mustard Family.) 



Herbs., tcith a pungent icatery Juice and cruciform tetrad ynamous flowers -, 

 fruit a silique or silicle. — Sepals 4, deciduous. Petals 4, hypogynous, 

 regular, placed opposite each other in pairs, their spreading limbs form- 



