214 PENTANDRIA. MONOGYNIA. dodecatheon, 



///. t. XCIX. Roem. ^ Schult. Gen. 656. Nat. 

 Ord. Lysimachi^ Juss. American Cowslip, 



1. D. Meadia L: leaves oblong-oval, repandlj toothed; 

 umbel many-flowered, lax; bracts oval. W il Id. Spec. I, 

 p. 108. CurU Ma^.t. \% M i c h. FL ]. p. 123, P ur s k 

 FL I. p. 136. Roem- ^ Schult. IV. \i. 131. 



Bool perennial, Leavps about 4 inches long, and an inch broad, 

 very smooth, spreading, tapering at the base. Scafie 8 — IQ 

 inches long, erect, simple, smooth. Umbel 12 — 14-flowered ; 

 peduncles unequal ; flowers nodding. Leaves of the involuc- 

 rum (bracts) numerous. Segments of the calyx much shorter 

 than the corolla, ovate-lanceolate, reflected. Corolla purple, 

 segments linear, about three-.fourths of an inch long. Fila- 

 ments inserted into the tube of the corolla; anthers very- 

 large, connivent into a rostrum. Style filiform, longer than 

 the stamens ; srz>ma simple. 



Hab. On river sides, in rocky situations ; Pennsylvania to Vir- 

 ginia. May. P v-rs h. 



2, D. integrifolium Mich. : leaves oblong-oval, subspa- 

 thulate ; umbel few-flowered, straight ; bracts linear. M r c h, 

 F/. 1. p. 876. PurshFl. I. p. 136. R o e m. ^ S c hu 1 1. 

 JV. p. 132. 



Flowers pale blue, smaller than in the preceding species. Ph. 

 Has. On the Allegany Mountains, in shady woods, near rivers. 

 P urs h. 



\U, MENYANTHES. L. 



Calyx 5-parted. Corolla infundihuliform ; border 

 spreading, 5-lobed, equal, hairy within. Stigma capi- 

 tate, sulcate. Capsule 1-celled, 2 valved; valves semi- 

 niferous on the sides. Gen. pL 263. JVutt. Ge?i. 

 I. p. 120. Juss. p. 98. Lam. III. t, C. f. 1. Roem. 

 Ss? Schult. Gen. 665. Nat. Ord. LysiMACHiiE 

 Juss. Gentian^e fR. Brown, Hooker.) 

 Buck -bean or Marsh Trefoil. 



M. Irifoliata L. : leaves ternate. Willd. Spec. I. p. 

 811. Smith FL Brit. \.\).225. Eng. Bof. U id5. M i c f>. 

 FL 1. p. 125. Pursh FL I. p. 139. Big. Post. p. 50. 

 Roem. y Schult, IV. p. 117. 



Root perennial, thick, long. Stem about a span high. Leaves 

 peliolate ; leaflets obovate, obscurely toothed; petiole sheath- 

 ing at the base. Raceme subpyramidal, many-flowered, on a 

 long naked peduncle. Pedicels thick, with a short ovate bract 



