THE ORCHID REVIEW. 147 
BOTANICAL ORCHIDS. 
MANY very interesting and even striking species of Orchids never seem to 
become generally cultivated, either from their rarity, because not very 
showy, or, in a few cases, because difficult to cultivate. Strictly speaking 
the first and last may not always be botanical species, though they are 
usually classed among them, but among the remainder are many very 
attractive little plants of the easiest culture if only grown with their 
showier cousins from the same country, and treated in a similar way. 
Many of them are exhibited from time to time, especially by Sir Trevor 
Lawrence, whose group at the Temple Show is invariably more interesting 
through their presence, which forces the conclusion upon us that these 
plants deserve a little more attention generally, as they would amply repay 
the little trouble required. 
The pretty Bartholina pectinata, mentioned last month, is very 
remarkable with its divided lip consisting of numerous radiating filaments 
of a bluish colour, and like all South African bulbous plants, it requires 
a period of rest, coinciding with our winter months. A mixture of fibrous 
loam, leaf mould and sand, seems to answer very well if grown in a cool 
place. Calopogon pulchellus is a very characteristic species, and is the 
only cultivated one of the genus. It possesses purple flowers with a fine 
yellow beard of hairs growing from the lip, and needs the same treatment as 
the above-mentioned species. Calypso borealis, now in flower, is very 
pretty. It is a native of the northern hemisphere, not exceeding 
4 inches high, and extremely sweet-scented. The flower is of a delicate 
rose colour, and possesses a lip resembling Cypripedium in some 
respects. -It requires light sandy compost, and’ thrives very well 
in a cool shady place. Holothrix villosa and Disperis capensis are two 
interesting species belonging to the South African Flora, which thrive very 
well if treated like the previously mentioned plants. 
A large number of botanical species are found in the warm regions, 
and they require Intermediate house treatment. Cecelia Baueriana is a 
. West Indian and Mexican species, which should be grown in pots in a 
mixture of peat and sphagnum. It flowers annually, and is very fragrant. 
Eria confusa, and E. excavata are two free blooming Indian species, easily 
grown like Dendrobiums. Epidendrum Linkianum is a pretty little 
Mexican species which succeeds very well in the Cattleya house. 
Masdevallia erythrochete is a profuse bloomer when well grown, the 
‘flowers being yellowish, with reddish brown tails. Maxillaria Houtteana, 
with its deep red blooms, is well worth growing. 
A few Pleurothallis are also worth cultivating, and the four following 
species are now to be seen in flower:—P. longissima, a very handsome 
