ODONTOGLOSSUM 
The plants included in this section of cool- 
house Orchids form a group of unusual beauty 
and utility. The genus, closely related to 
Oncidium and Miltonia, embraces about 100 
species originating in the higher regions of the 
Andes, from Mexico and Guatemala to Col¬ 
ombia and Bolivia. Odontoglossum crispurn, 
probably the most extensively grown Orchid, is 
particularly admired for its extremely hand¬ 
some flowers and easy culture. A remarkable 
number of natural hybrids occur in the family, 
and intercrossing no doubt accounts in large 
measure for the size and horticultural value of 
the genus. With few exceptions, the Odonto¬ 
glossum is found in extremely moist situations, 
where the annual rainfall is excessive and the 
temperature more or less even and cool through¬ 
out the year. 
Odontoglossum citrosmum 
Odontoglossum grande. See £age 38 
ODONTOGLOSSUM Bic- Each 
tonense. Flowers yel¬ 
lowish-green, blotched with 
chestnut-brown, with pale 
rose lip. Fall. Guate¬ 
mala and Mexico. .$1.50 to $2.50 
O. Cervantesii. Flowers 
1 V 2 to 2 inches across, 
white, with chocolate-red 
tangential streaks around 
the base. Mexico.$1.00 to 2.00 
O. cirrhosum . 3.50 
O. citrosmum. This plant 
produces its long, pendu¬ 
lous spikes of fragrant 
lemon-colored flowers, 
sometimes flushed and 
dotted with pink ; fine for 
exhibitions ; remaining per¬ 
fect for weeks. June- 
July. Mexico_$1.50 to 2.50 
O. citrosmum album . . . 5.00 
O. crispurn (O. Alexan¬ 
dra). One of the most 
charming, beautiful and 
useful of all Orchids ; flow¬ 
ers large, variable in col¬ 
ors, white frequently ting¬ 
ed with rose, and again 
blotched with red; borne 
on long, many-flowered, 
gracefully arching spikes. 
(See illustration of flower¬ 
ing spike on page 39.) 
March-May. Colombia... 
$1.50, $2.50 to 5.00 
O. Ehrenbergi. February. 
Mexico . 2.50 
37 
