( 3085 ) 



Pterostylis nutans. Nodding-flowered 

 Pterostylis. 



Class and Order. 

 Gynandria Monandria. 



( Nat. Ord. — Orchide^e. ) 



Generic Character. 



Perianthium ringens, tetraphyllum, foliolo inferiore bi- 

 fido (e duobus infra cohaerentibus conflato). Labellum 

 unguiculatum, subinclusum. Lamina basi appendiculata 

 v. gibbosa. Ungue infra labio inferiore connate Columna 

 basi galea connata, apice alata. Anthera terminalis, per- 

 sistens, loculis approximatis. Massce Pollinis in singulo 

 loculo binas, compressae, pulvereae. Stigma medio co- 

 lumnae adnatum. Br. 



Specific Character and Synonyms. 



Pterostylis* nutans ; foliis radicalibus stellatis, flore nu- 

 tante, labiis longitudine subaequalibus, galea acumi- 

 nata, labello apice attenuato truncato. 



Pterostylis nutans. Br. Prodr. Fl. Nov. Holl. v. I. p. 

 327. Spreng. Syst. Veget. v. 3. p. 715. 



Descr. Leaves radical, spreading in a stellated manner, 

 oval, rather acute, membranous, striated, reticulated, taper- 

 ing into a short petiole. Scape erect, scarcely a span high, 

 erect, glabrous, with about two foliaceous, sheathing brac- 

 teas, and terminated by a solitary, nodding flower : the 

 three upper segments of the flower are approximate so as to 



form 



Derived from irrtpv, a wing, and arvXar, a style, in allusion to the wing- 

 ed style or column. 



