s) 
VARIOUS SPECIES OF CATASETUM. 
GYNANDRIA MONANDRIA. 
Nat. ord. ORcHIDACES, § VANDER. 
CATASETUM. Botanical Register, vol. 10, fol. 840. 
It happens in some genera of plants that the different 
species, or supposed species, present so great a similarity in 
their foliage and general appearance as, in those respects, to 
seem identical when figured. It is therefore my intention 
occasionally to occupy a plate with flowers only of such plants, 
and thus to present a better comparative view of species whose 
only distinctions reside in their blossoms. 
On the present occasion the genus Catasetum affords five 
illustrations. ; 
Fig. 1. CATASETUM callosum. 
The Tumour-lipped Catasetum. 
C. callosum ; petalis concoloribus lineari-lanceolatis sepalo dorsali conformi 
suppositis, labello ovato-oblongo obtuso basin versus saccato supra sac- 
cum callo magno (aurantiaco) instructo margine obsoleté crenato, co- 
lumnz acuminate cirrhis vix ultra callum extensis. Bot. Reg. 1840, 
mise. 183. 
Exactly like Catasetum tridentatum, var. floribundum 
in habit, but its flowers are different. The sepals and petals are 
of a dull reddish brown, without spots ; the column is of the 
same colour, which may perhaps be best compared to that of 
old spoilt port wine. The lip is green, flat, with a yellow 
tubercle near the base above the hollow, and a stain of the 
same colour near the apex. It was imported by Messrs. 
Loddiges from La Guayra.° 
Fig. 2. CATASETUM cornutum. 
Horned Catasetum. 
C. cornutum; petalis maculatis lineari-lanceolatis sepalo dorsali conformi 
suppositis, labello subcordato-ovato basin versus saccato sub sacco cornu 
valido inflexo instructo processibus teretibus rigidis fimbriato basi den- 
tato, columnee acuminate cirrhis cornu labelli attingentibus. Bot. Reg. 
1840. mise. 182. 
A native of Demerara, with the habit of Catasetum bar- 
batum. There are sixteen or more flowers in a raceme, of a 
dull green, richly spotted with deep blackish purple. The 
January, 1841. c 
