CRUCIFER.E. (MUSTARD FAMILY.) 61 



3. CORYDALIS, Vent. 



Corolla 1-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 ; JJoicers purplish or rose-color with yelloic tips. 



1. C. glauca, 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. 



* * Loir, ascending ; flowers yellow. 

 +- Outer petals u-intj-crested on the back. 



2. C. flavula, DC. Pedicels slender, conspicuously braeted : 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. Peuii. to Minn., 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 rleistogamous 

 and much smaller, without sjnir or crest, pods ascending, torulose; seeds 

 obtuse-margined, smooth and shining. N. Car., 111., Minn., 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. W. Mo. and southward. 



-t- -t- Outer petals merely carinate on flic back-, not crested. 



5. C. aiirea, Willd. (GOLDEN- C.) Corolla golden-yellow, \' long, the 

 slightlv deeurved 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. OCCidentalis, Engelrn. 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 YV. Tex. and westward. 



4. FUMARIA, Tourn. FrMiTORY. 



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 fromfumus, smoke.) 



F. OFKK INALIS, 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. CRUCIFERJE. (MUSTARD FAMILY.) 



Herbs, with a pungent watery juice and cruciform tetr ad ynamous flowers ; 

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

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



