bee, 
aecad 
2 BIFA. FA 0 
- Prerostyziis Banxsit. Laree-Leavep 
wg PTEROSTYLIS. 
SRR IIR Sak eesoakakek 
| Class and Order. 
GyNANDRIA Monanpria. 
( Nat. Ord.—Orcuipea. ) 
Generic Character. 
Perianthium ringens tetraphyllum, foliolo inferioro bi- 
fido.(e duobus infra coherentibus 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. Masse Pollinis in singulo 
loculo bine, compress, pulyeree. Stigma medio columne 
adnatum. me 
Herbe terrestres, glabre. Bulbi nudt, indivisi, caudicem 
descendentem radiciformem terminantes. Folia nunc ra- 
dicalia stellata, nervosa, membranacea, scapo bracteato 
aphyllo; nunc caulina alterna radicalibus nullis. Flores 
. Solitartt rariusve racemosi, ochroleuci, sepius majusculi. — 
~ Div. Il. Appendix apice diviso sepius penicellato. Folia 
radicalia in planta florida nulla. Caulis foliosus. Br. 
Specific Character and Synonyms. 
Prerosty1is Banksii; caule folioso unifloro, foliis lato-lan- 
ceolatis inferne carinatis basi vaginantibus, labello 
oblonge ovate-subuncinato obtusiusculo columnam 
equante, appendice pennicellato. Cunn, in litt. 
Prerostyxis Banksii, Brown, in Herb. Banks. 
Prerosty is macrophylla. Cunningham, MSS. 
‘See 
_Not having had the opportunity of seeing a living spe- 
cimen of this extremely rare plant, I am unable to offer a 
description of it, and which, at. best, would have given a 
very inadequate idea of the plant, in comparison with the 
@ccompanying figure, which is from the inimitable ponte 
of Francis Baurr, Esq. The history of the plant 1 r 8 
VOL. vi, 1 
