New or rare Plants from the Rocky Mountains. 3 1 



closed with minute glands. Stamens very short ; filaments 

 inserted into the tur»e of the corolla, naked ; anthers, ob- 

 long, yellow. Germen globose ; style shorter than the sta- 

 mens ; stigma simple. Seeds not seen. 



Hab. On James' Peak, one of the highest of the Rocky 

 Mountains, 10,000 feet above the level of the ocean, near 

 the region of perpetual snow. Flowers in July. 



Obs. This species resembles A. villosa in some respects, but 

 is easily distinguished by its nearly naked, acute, and ca- 

 rinate leaves. 



2. Oxyria reniformis R Brown. 

 Gen. Ch. Perianth, simplex 4 phyllum, foliolis 2 interio- 

 ribus majoribus. Nux triqueter, margine lato-membri'.naceo. 

 Embryo erectus invertus. R. Broivn in App. Rosses Voyage, 

 ed. 2. v. II. p. 192. Hill Syst. Veg. X. p. 24. Hook. Fl. Scot. 

 p. 99. Decaiul. Syn. FL Gall. p. 194 (subgenus). Donia. 

 R. Br. in App. to Ross's Voy. ed. 1. p. 142. Rhei sp. 

 Wahl. Rumicis, sp. L Hexandria Digynia. 



O. reniformis R. Br. 1. c. Hook Fl. Scot. 1. c. p. 111. 



Rumex digynus L. Willd. Spec. II. p. 258. Rheum digynum 



Wahl. Fl. Lapp. p. 



Root perennial. Stem 2-3 inches high, with one small leaf. 

 Radical leaves few, on long petioles, reniform, (not emar- 

 ginate,) with ovate, truncated stipules at the base. Raceme 

 somewhat panicled ; branches all stipulate at the base. 

 Pedicels incrassated upwards. Flowers very minute. Ex- 

 terior leaves of the calyx oblong ; the interior ones obovate, 

 nearly as long again as the others. Corolla o. Stamens 

 2 ; filaments as long as the calyx ; anthers oblong. Germen 

 orbicular, notched ; styles 2, very short j stigmas large, 

 plumose, purple. Nut not seen. 



Hab. With the preceding* 



Obs. The only locality of this plant in North America, hi- 

 therto recorded, is Labrador, where it was found by Col- 

 master. It is a native of the high mountains and most north- 



