GYNANDHIA MONANDRIA. 197 



A small g-emis, almost exclusively indigenous to Europe, 

 America, and India. 



€20. CORALLORHtZA. Halter, R. Brown. 



Cymbidium. Willd, 



Petcils equal anfl connivent. Lip mostly pro- 

 duced at the base. Column free. Pollinia 4, 

 oblique (nut parallel.) 



Hoots simply bulbous, or ramified and dentoidly squa- 

 mose; leaf radical 01" none; scape leafless, sheathed, ma- 

 ny-flowered, flowers nutant, obscurely coloured. — (To this 

 g-enus Mr. R. Bi-o;vn adds species furnished with an un- 

 connected spur. The United States do not appear to af- 

 ford any species with this singular and scarcely congene- 

 - ; ic character; of the 3 enumerated below, one is destitute 

 even of any protuberance at ihe base of the lip.) 



Species. 1. C. innate^ K.Brown. Cymbidium Corallo- 

 rhizon, Willd. sp. pi. 4. p. 109. Lip trifid; spur obsolete, 

 every where adnate to the g"erm; leaves none; capsule ob- 

 ovate. Has. In very shady woods, near the Falls of Schuyl- 

 kill, five miles from Philadelphia; scarce; also in New 

 Jersey. It flowers earlier than the following', and is con- 

 siderably larger; petals oblong-lanceolate, connivent; lip 

 inconspicuously produced at the base, bidentate below, the 

 dentui-es inflected. Flowering from September to Oc- 

 tober. 



2. Otl'mtorhiza. Lip entire, oval and obtuse, margin 

 crenulaie; spur obsolete, every where adnate to the germ, 

 leaves none; capsule subglobose. Hab. In New Jersey and 

 Pennsylvania, abundant. Ct/mbicliiim Oilo7itorhizon, Willd. 

 —Root much branched, dentate; scape 8 to 10 inches 

 high, attenuated and rather slender, roundish and bulbous 

 at the base; sheathes ochreate, about 3 in number; flow- 

 ers numerous, pendulous; petals brownish, connivent, and 

 all inclined to the upper side of the corolla; lip dilated, 

 white, and elegantly spotted with violet-purple, palate bi- 

 dentate; base of the column marginated; capsule short and 

 subglobose. 



*ApLECTRUM.t Li/i unguiculate, not produced 

 at the base. Anther situated below the summit of 

 the column. Pollinia 4, oblique, lenticular. 



t From the flower not being calcarate or produced at, tUe bascj 

 *, xvithouti and TrMx^r^ov ^a spur.. 



