FUMARIACEiE. 23 



middle anther of each 1-celled ; the lateral ones 2-celled. Ovary superior, l-c«lled ► 

 pttlb filiform ; stigma with 2 or more points. 



DICENTRA. Bark. Wrongly Biclytra or Biclytra. 



Gr. dis, twice ; and Jccntron, a spur : in allusion to the two spurs. 



Sepals 2, small. Petals 4; the two outer equally 

 spurred, or gibbous at the base. Stamens united in 2 seta 

 of 3 in each. Stigma 2-crested or 2 horned. Filaments 

 slightly united. Pod 2-valved, 10 to 20 seeded. — Low stem- 

 less perennials ; with ternately compound leaves, and simple 

 scapes, hearing racemose nodding flowers. 



1. D. Cuccularia, DC. Dutchman's Breeches. 



Root bulbiferous ; scape naked ; raceme simple, 1-sided, 4 to 10 flowered ; wing 

 of the inner petals short; spurs divergent, elongated, acute, straight ; pediceis 

 2-bracted. 



Rich woods, shady ravines and hills. April and May. A smooth handsoma 

 plant. Bulbs consisting of clusters of little grainlike tubers inclosed in a sheath. 

 Leaves radical, multifid. somewhat triternate. smooth, with oblong linear segments. 

 Scape slender, 6 to 10 inches high. Flowers scentless, nodding, white, tinged with 

 yellow and purple. 



2. D. Canadense, DC. Squirrel Corn. 



Scape naked; raceme simple, 4 to 6 flowered; spurs short, rounded; wing of the 

 inner petals projecting beyond the summit. 



Rich woods. May. RM&m a bearing a number of roundish tubers, about tha 

 size of peas, and of a bright yellow color. Leaves having the segments longer and 

 narrower than in the preceding species. Flowers white, tinged with purple, Tery 

 fragrant, 3 to 4 on a scape 6 to 8 inches high. 



3. D. eximia, DC. Choice Bicentra. 



Divisions and lobes of the leaves broadly oblong ; scape naked ; raceme compound, 

 clustered ; corolla oblong, 2-gibbous at the base, crest of the inner petals project- 

 ing beyond the summit. 



Rocks, along the Alleghanies. April — July. A larger plant than the other*, 

 blossoming all summer. Leaves 10 to 15 inches high, with 4 to S cymes, each 

 with 7 to 10 reddish-purple, nodding flowers. Often cultivated. 



2. COKYDALIS, DC. 



From l-orudalis; the Greek name of Fumitory. 



Sepals 2, small. Petals 4, one of which is spurred at 

 the base, deciduous. Stamens 6, diadelphous : filaments 

 in 2 equal sets by their broad bases which sheath the ovary. 

 Pod 2-valved, many-seeded. Seeds crested. — Flowers in 

 racemes. Biennials. 



1. C. AUREA, Willd. Golden Corydalis. 



Stem branched, diffuse; leaves glaucous, doubly pinnate, lobes oblong-llnew, 

 acute; bracts lanceolate or ovate, acuminate, toothed, opposite the leaves, and 

 terminal ; spur incurved, pods terete, pendant : seeds with a scolloped cresk 



