CORYMBIS. 
Thouars Hist. des. bh Orch. Afr., tt. 37 and 38, (1822.)——Macrostylis. Kuhl 
Hasselt, G. and S. Orch. (1827.) 
Sepata linearia, apice dilatata, patula; dorsali columnz basi 
altids adnato, lateralibus basi cequalibus connatis. 
ETALA conformia, hibera. 
LaBELLUM ener) tineare, ee columnam invol- 
vens, lineis 2 elevatis in callis arcuatis excurrentibus; limbo 
membranaceo dilatato basi bicallos 
OLUMNA Clavata, teres, post snthests valdé elongata. Stigma 
ovatum, apice bifidum 
Potxinta 4, geminata, pulverea ; eee setaced ; glanduld 
subquadrata. Anthera dorsalis, ovata, m 
Capsuta costata, stylo longissimo aie 
Herba ferrestris, arundinacea, ‘Afro-Astativa, eae Folia 
membranacea, plicata, vaginantia. Racemi brachiati, avillares. 
Flores se pallescentes. : 
The figure published by Du Petit Thouars, although it sufficed to 
render e¢ bo the identification of his Corymbis, gave no distinct information 
g its structure. It was not till the discovery in the Oriental Archi- 
pelago of = plant, named by Van Breda Macrostylis, of which perfect 
specimens i ia, that its real nature 
base of ra, in ir of raised lines passing 
base of the lip reas its unguis elt th ey lose themselves in as many arched 
calli at the base of the limb, in the lip not being saccate, and in the great 
extension of the column. 
era Apia TROPIDIA, apn and Cyemipia, of which last Wight’s 
a synonym, form a peculiar group of — teous Orchids, analo- 
oe ~ op nied and Sobralia i in other parts of the 
1. ©, disticha. 
Corymbis. Thouars, l. c. 
: osa. Jd. 
Macrostylis disticha. Kuhl and Hasselt, l. ¢. 
Wild in Bovrson—Thouars ; Nosst Bé—Pervillé, (142); 
I. of Sr. Tuomas on the West coast of Africa—G. Don ; 
nd Hasselt 1pprnEs—C 
—Id (2110) ; teu ok ge Blea inandsBarclay, 
ree 2 
JAN. ‘4, 1854. 
