35 
is usually whole coloured, is tipped and banded with red. 
In M. roseo-albus the fringes of the lip are unusually 
long. 
13. C. atratum (Lindl. in Bot. Reg. 1838. misc. 114. t. 63.); 
racemo decurvo, sepalis petalisque patentibus ovatis 
acutis, labello carnoso cucullato margine tenui pectinato 
apice rotundato reflexo crasso denticulato.—— Brazil. 
— Flowers deep green outside; sepals rich purple 
inside; petals spotted with the same colour; lip dull 
green, fringed, with a yellow recurved flap at the end. 
14. C. Russellianum (Hooker in Bot. Mag. t.3777.) ; pseudo- 
bulbo elliptico magno, foliis lato-lanceolatis, racemo 
amplo, labello membranaceo anticé inflato ore contracto 
margine anteriore producto undulato fimbriato disco 
membrana cristato, columná nuda (ecirrhosá).—— Gua- 
temala.——A large species with green flowers, a little 
relieved by the greater whiteness of the labellum, which 
is almost membranous. It is very near C. laminatum. 
The absence of eirrhi from the column, if constant, is 
remarkable. 
$9. Labellum planum, sepius foveatum v. saccatum ; 
Myanthus. 
15. C. laminatum (Lindl. in Ann. nat. hist. vol. 4. p. 384. 
Bentham, Plante Hartwegiane, p. 72. Sertum Orchi- 
daceum, t. 38.—Var. 1. maculatum ; labello, columnä 
petalisque purpureo-fusco maculatis, Sert. Orch. t. 38.— 
Var. 9. eburneum ; labello eburneo columnä petalisque 
immaculatis, Bot. Reg. 1841. t. 5. f. 4.) ; labello lan- 
ceolato basi saccato apice marginibusque incurvo basin 
versus fimbriato per axin lamellà unicá carnosä altà in- 
tegrá v. denticulatá basi bilobá instructo, columnä cir- 
rhatá.—-—— Mexico.—-—— Flowers spread open, large, pur- 
ple, or greenish spotted with that colour. Lip sometimes 
pure white, sometimes speckled with purple, with a 
deep plate running along its middle from end to end. 
16. C. tabulare; vegetatione sepalis petalisque omnino C. 
laminati, labello oblongo antico concavo basi cornuto 
fimbriato extüs sub apice lineis serrulatis elevatis striato 
secus medium eristä tabulari latá transversé corrugatä 
anticà dentatá aucto.—— Grenada.-—-——This is very like 
the Guatemala C. laminatum ; but the structure of the 
F— May, 1844. f 
