31 
not tricolor, of which I have no description, because I have 
two little bulbs of it, and its leaves are bright green; but it 
may have been named in the Petersburg Acts. I received it 
from Mr. Kotschy, who collected it on Mount Elburz. It 
flowered at Spofforth in April, 1844.—W. H: 
40. The Species of CATASETUM. 
This genus was founded by Louis Claude Richard upon 
two plants from tropical America, one of which he called 
C. macrocarpon, the other C. maculatum. Among the pecu- 
liarities of the genus were two long feelers or cirrhi directed 
downwards from the column into the cavity of the lip, and a 
large fleshy helmet-shaped lip. 
As soon as the attraction of European gardeners began to 
be turned to the cultivation of tropical Orchidacez, other 
species of the genus were made known, and now it has become 
a very considerable group, the greater part of which is scat- 
tered through various writings. In the course of gathering 
together these materials certain plants were obtained, which 
appeared to form distinct genera; one was called Myanthus, 
the other Monachanthus. Myanthus was thought to be dis- 
tinguished by having a flat lip, and Monachanthus by want of 
feelers on the column. But, strange to say, both these flowers 
were afterwards ascertained to be monsters of genuine Cata- 
seta, as was fully explained at tab. 1951 of the Botanical 
Register. 
The following are, we believe, all the Cataseta now on 
record, divided into two sets, one of which has a plane lip, 
and answers to Myanthus ; the other a helmetted lip, answer- 
ing to the original Catasetum. 
$ 1. Labellum galeatum ; Catasetum. 
1. C. tridentatum (Hooker Exot. EL.t. 00. 91. Leno. 2. 
C. macrocarpon H. B. K. 7. 158. t. 631. C. Claveringü 
Lodd. Bot. Cab. t. 1344.—— var. floribus majoribus 
sepalis petalisque acutis. C. Claveringü Lindl. Bot. Reg. 
t. 840. C. floribundum Hooker Exot. Fl. t. 151. 
var. floribus viridibus concoloribus. C. Wailesii, Hooker 
in Bot. Mag. t. 3997.) ; foliis oblongo-lanceolatis acumi- 
natis, perianthiis compressis conniventibus, sepalis peta- 
lisque acuminatis, labello galeato aperto apice tridentato 
