Ord. 2,] GYNANDRIA. 171 



Class XX. GYNANDKIA. Stamens situ- 

 ated either on the style, or on the germ en. 



The first and second Orders of this Class are perfectly natural, with- 

 out any exception, comprehending the Orchide^:. 



[The British Orchidece are all herbaceous, with either tuberous, or 

 stoutly fibrous roots. Stem simple. L. simple, entire, smooth. Fl. in 

 a simple spike or cluster, all complete and perfect. Cal. superior, of 

 3 leaves ; 2 of them opposite, equal. Cor. of 3 parts; viz. 2 petals, 

 and a nectary or lip ; the latter usually projecting in front, and ex- 

 tending behind in the form of a spur.'] 



Order I. MONANDRIA. Stamen, or sessile Anther, 1. 

 * Anth. of 2 distinct vertical cells, fixed to the summit of the column. 



411. 6RCHIS. Nectary with a spur behind. 



412. A.CERAS. Calyx converging. Nect. without a spur, flat. 



414. 6PHRYS. Cal. spreading. Nect. without a spur, convex. 



413. HERMlNIUM. Cal. spreading. Petals with lateral lobes, 



like the nectary, which is flat, without a spur. 



** Anther parallel to the stiyma, of '2 cells close together, permanent. 



416. NEoTTIA. Cal. converging, embracing the base of the flat 



nectary, which is without a spur. Pet. converging. Column 

 without wings. 



415. GOODYeR A. Cal. spreading, embracing the base of the glo- 



bose inflated nect., which is without a spur. Pet. converging. 

 Column without wings. 



417. LISTERA. Cal. spreading. Nect. without a spur, nearly flat. 



Pet. spreading. Column- without wings. 



*** Anther terminal, fixed. 



418. EPIPaCTIS. Nect. without a spur ; tumid underneath at the 



base ; contracted in the middle ; undivided at the end. 



**** Anther a terminal deciduous lid. 



419. M ALAXIS. Nect. embracing the column with its concave base ; 



without a spur, sessile. Pet. spreading. 



420. CORALLORRHlZA. Nect. unconnected with the column, 



spurred or stalked at the base. Pet. spreading. 



Order II. DIANDRIA. Stamens, or sessile Anthers, 2. 



421. CYPRIPeDIUM. Calyx and petals spreading. Nect. inflated. 



Column with a terminal dilated appendage. 



