130 BEASSICACEAE. 



1.5-2 cm. long. S. Bare, in woods along creeks. Schists. Sum. ALLE- 

 GHENY-VINE. CLIMBING-FUMITORY. 



2. BICUCULLA Adans. Perennial herbs, with granular or tuberous root- 

 stocks. Leaf-blades with narrow segments. Flowers in racemes or panicles, 

 mostly white to deep-pink. Sepals 2, entire. Stamens 6, somewhat diadel- 

 phous at the base. Capsule not included. Spr. 



Rootstocks with yellow tubers : spurs rounded : inner petals conspicuously crested. 



1. B. canadensis. 



Rootstocks without tubers : spurs spreading : inner petals mi- 

 nutely crested. 2. B. Cucullaria. 



1. B. canadensis (Goldie) Millsp. Plants 2-3 dm. tall: leaf -blades dissected 

 into linear or nearly linear segments: racemes usually overtopping the leaves: 

 corolla greenish-white or purplish-tinged, the spurs much shorter than the 

 upper portion of the petals: capsule-body 11-15 mm. long, abruptly narrowed 

 at both ends. Susquehanna valley. Eather common, in rich woods. 

 Quartzites, schists. SQUIRREL-CORN. 



2. B. Cucullaria (L.) Millsp. Plants 1-3 dm. tall: leaf -blades similar to those 

 of B. canadensis: racemes usually overtopped by the leaves: corolla white or 



CVpink, the spurs about as long as the other portion of the petals: capsule- 

 y 10-13 mm. long, gradually narrowed at both ends. Common, in rich 

 woods. DUTCHMAN 'S-BREECHES. 



3. CAPNOIDES Adans. Annual or biennial caulescent herbs. Leaf- 

 blades with toothed segments. Flowers racemose, yellow, pink, or white. 

 Sepals 2, usually toothed. Stamens 6, diadelphous. Ovary elongate, several- 

 ovuled: style persistent. Capsule often torulose. Spr. 



Corolla pink or purple, except the yellow tip : plants erect. 1. G. sempervirens. 

 Corolla yellow : plants diffuse. 2. C. flavulum. 



1. C. sempervirens (L.) Borck. Plants 3-12 dm. tall, the branches ascending: 

 leaf -segments obovate to cuneate: corolla 14-16 mm. long, the spur rounded, 

 the inner petals about 15 mm. long, the blades about J as long as the claws: 

 capsules 3-4 cm. long. Not very common, in rocky places near streams. 



2. C. flavulum (Eaf.) Kuntze. Plants 1-5 dm. tall, the branches spreading, 

 leaf -segments narrow, acute: corolla yellow, 10-11.5 mm. long, the smaller 

 outer petals prominently crested: capsules 1.5-2.5 cm. long, somewhat torulose. 

 Common, in rich soil especially near the Susquehanna Eiver. 



4. FUMAEIA [Tourn.] L. Annual herbs. Leaf -blades with small seg- 

 ments. Flowers racemose, white or pink. Sepals 2, scale-like. Stamens 6, 

 diadelphous. Ovary scarcely longer than thick, 1-ovuled: style deciduous. 

 Nutlet globular. 



1. F. officinalis L. Stem and branches 2-10 .dm. long: leaf -segments linear or 

 nearly so: racemes 2-10 cm. long: pedicels 2-4 mm. long: corolla purplish or 

 flesh-colored, and crimson at the tip, 6-8> mm. long: nutlets 2-2.5 mm. in 

 diameter, emarginate at the apex. - Eather rare, in fields and on roadsides. 

 Nat. of Eu. Spr. FUMITORY. 



FAMILY 3. BRASSICACEAE. MUSTARD FAMILY. 



Herbs or partially woody plants, the sap watery. Leaves alternate: 

 blades entire, toothed, or dissected. Flowers perfect, in spikes or racemes. 

 Calyx of 4 mostly erect or appressed sepals. Corolla of 4 usually clawed 



