DIADELPHIA HEXANDRIA^ ITf 



,derneath- The common petioles scarcely an inch long. Stipules 2, 

 smallj subulate, at the base of the petioles. Flowers In heads forming 

 terminal corymbs- Peduncles or small branches angled, roughened with 

 small glands. Bracteay a scale around the base of each flower, nearly 

 round, membranaceous, dotted, fringed, mucronate, sometimes with three 

 approximate points, the 8 or 10 mferior bracteas generally without flow* 

 ers, the lowest with their joints frequently dilated into leaves. Calt/x 

 deeply 5-parted, the segments linear, plumose. Petals white, upper one 

 with a claw as long as the calyx and attached to its base, the 4 others al- 

 ternating with their stamens. Germs ovate, very villous. Style as long 

 as the stamens. Stigma simple, obtuse. Legumen small, included in the 



calyx. Seed 1, oblon^^. 



Crrows m dry sandy pine barrens. 

 Flowers September — October. 



HEXANDRIA. 



DICLYTRA. MocNCK. 



*■ 



Petala A, 2 exterio- I Petals 4, the 2 ex- 

 ra basi aeqiialiter cal- terior either gibbous 

 carata aut gibbosa. or bearing a spur at 

 Siliqua bivalvis, poly- base. Pod 2-vaIved 

 sperma. I many seeded. 



i 



ORMOSA. 



D. calcaribus 2, I Spurs 2, slightly 

 subincurvis, obtusis ; curved, obtuse ; scape 



) naked ; raceme some- 

 Avhat compound ; stig- 

 ma 2-angled. 



scapo nudo, racemo 

 subcomposito ; stig- 

 mate biangulato. 



De Candolle Sys. Nat. 2. p. 109. 



Corydalis Formosa. Pursh 2. p. 462. Nutt. 2. p. 86. 



Jioot tuberous, perennial. Leaves all radical, on petioles 4 — 6 inches 

 tong, deeply and Iriternately notched, with the segments acute. Scape 6 

 — 10 inches lon^, branching towards the summit. Flowers somewhat 

 crowded on the scape. Bracteas subulate- Calyx 2-leaved, slightly 

 toothed along the margin. Corolla somewhat goblet shaped, of a brigftl 



VOL. II. 7 



