DIOECIA. ENNEANDRIA. 24 1 



Tnose like the leaves; filaments 8. very short, pubescent; 

 anthers oblong, 2-celled, Female flowers smaller, short- 

 ly pedunculate, without any glands or vestiges of stami- 

 na. Style 1. Stigma thick and oblique. Germ inferior. 

 Berries small and collected into clusters, red and succu- 

 lent, sparingly scattered with scales, always more or less 

 acid. Seed subovate and shining, much Uke that of Hip- 

 popliae, to which this genus is proximately allied. Hab. 

 On the bauk.s of the Missouri and the lesser streams, 

 from the confluence of the river Platte to the sources of 

 the .Missouri. It is the plant which produces what the 

 natives call the " Rabbit Berry " according to the narra- 

 tive of Lewis and Clarke. 



2. canadensis. Leaves oblong-ovate, above nearly 

 smooih, beneath stellately pilose and scaly, scales ferru- 

 ginous, decidaous. Hippophae ccifiadensis, Willd. sp. pL 

 4. p. 744. Ph. 1. p. 115. Hab. On the borders of the lakes 

 in the western parts of the state of New York, in Canada 

 and along the .St. Lawrence to its sources. A shrub 

 about 6 or 8 feet high, with all the characiers of the pre- 

 ceding. Hemes squamose, sweetish, but scarcely edible 

 Stamens 8. — A North American genus. 



Order IX.— ENxVEANDHIA. 



99. HYDROCHARiS. L. (Frog-bit.) 



Masc. Spathe S-leaved. Calix 3-partede 

 Corolla of 3 petals; 3 abortive styles. Fem. 

 Flower as the inale. Stigmas 6, bifid. Infer- 

 tile filaments 3; also 3 necrarifcrous glands. 

 Capsule 6-ceiIcd, many-seeded, inft-rior. 



Floating aquatics with creeping nodose stems, nodes 

 producing leaves and flowers; leaves sheathing and fasci- 

 culated; flowers pedunculate, white. Antliers (in //. 

 ,Korsus raiKje) ralnate above the middle ot the filaments. 



Species. 1. H. *cordifolia. Monoicous; leaves cor- 

 dale-ovate; capsule mostly 8 or 9-celled. //. spongia, 

 K<)sc. Annales du Museum. 9. p. 396. t. 30. An incor- 

 rtfct and e.xagii^trrated figure. lathe leaves of this plant, 

 whicii grows in abundance round Savannah, I have not 

 been able to meet with any process of a spongy or extra- 

 ordinary nature, as figured by Bosc. The leave are 5- 

 nerved, and nearly of tije form and texture of Alisma plan- 

 VUli, II. X 



