ODONTOGLOSSUM. 
H. B. KE. Nov. Gen. et Sp., 1. 351. LO., p. 211. 
Sepata explanata, libera ; lateralibus nunc basi connatis, nunc 
— elongatis, 
A subzequalia, nunc paulo teneriora. 
ft yiiccn basi cum columna parallelum eique medio adnatum, 
limbo deflexo, basi varié cristatum rarissimé nudum. 
Cotumna clavata, sepits elongata, basi angusta nunc in 
membranam utrinque expansa, apice auriculata aut aptera. Stigma 
fovea circ 5 
, pyriformia, solida aut posticé excavata ; caudiculd 
linear ;  andaid ovali. 
Herbee epiphyte et Sete, Mexicane Peruvians et Novo- 
granatenses, pseudo olia coriacea v. papyracea. Racemi 
radicales 1-00-flori, ad ‘onload sepe 
se rarely united. The two genera 
y Od. nevium, which is very like idium es cogettoinesit: by 
Od. costatum and its allies, which run into the Oncidia i 
st is ext 1 ariabl in it np iti , but it usually consists of a pair 
hich 1 central 
» - oO 
may be added that the lateral 
unite b 
of parallel | lamellze, 
one of which always really occupi ies the axis of the li ip. In some instan 
however, especially coma the Trymenia, little or no trace is Sasrneibis & of 
that mode of arrangemen 
ANALYSIS OF THE SECTIONS. 
Clinandrium nudum. 
lumna - « + « » § 1. EVODONTOGLOSSUM. 
Columna auriculata aut aptera. 
Labellum manifesté unguiculatum 
‘luteum. . - » «+ .« § 2. XANTHOCLOSSUM. 
album aat roseum hae s+ ww « 8S. LEVCOGLOSSIUM.. 
sessile. 
"Sepals lnteralia paallelaclongataunguiculata § 4 MYANTHIUM. 
a. Labellum cordatum in apicem longum 
ssp Se ge dnt s 
rai be detam eneniletnm 
Ocr. 14, 1852. 
z naceo .§ 6, TRYMENIUM. 
