686 orchid-grower's manual. 



diBtinctly three-lobed, the lateral lobes semi-ovate, erect, whitish with a margin 

 of deep orange-red, and the middle lobe is transversely oblong from a constricted 

 base, somewhat convex and emarginate with a toothed border, tawny-yellow 

 irregularly blotched and spotted with orange-red ; the disk bears three elevated 

 ridges or crests which are marked by several transverse orange-red lines ; the 

 sepals are represented as being green in the figure published in Xenia Orchidacea. 

 — Moul/mein. 



Fig. — Bot. Mag., t. 5072 ; Flore diis Scrres, t. 2302 ; Xenia Orck., ii. t. 134, f. 1. 



Syn. — Coelogyne Schiller tana. 



P. WALLICHIANA.-See P. praecox Walliciiiaxa. 



PLEUROTHALLIS, R.Brown. 

 (^Tribe Epidendreae, mbtribe Pleurothallieae.) 

 This is a very large genus, containing some three hundred and fifty- 

 species, many of which are weedy plants, that will never become popular 

 with any one, and although many species have from time to time been 

 introduced to cultivation they are seldom preserved ; but even from 

 amongst so many kinds, there are few indeed worthy of notice. Tlie 

 genus is closely allied to Masdevallia. The species are widely distributed 

 over South America, Mexico, and the West Indian Islands, chiefly 

 confined to the mountain ranges, but some few kinds come low down, so 

 that in the majority of cases they may be grown with the Odontoglossums, 

 and like Masdevallias, the Pleurothallis have no decided period of rest ; 

 they are epiphytal plants, and if grown in the cool house, should be 

 placed in shallow hanging pans, near the roof-glass as most of the kinds 

 are dwarf in habit, some being minute plants. 



Culture. — Same as Masdevallia, which see. 



P. ATRO-PURPUREA — See Masdevallia fenesikata. 



P. BARBERIANA, Bolib.f. — A minute little species, which is sometimes called 

 the Gnat Orchid. It is a stemless plant, with very minute leaves ; scape very 

 slender, about 3 inches long, many-flowered, these are small spotted with dee]) 

 purple; lip small deep purple. It blooms at various seasons. — U. S. of Colombia. 



Stn. — Masdetallia eulex. 



P. COCCINEA. — See Rodkiguezia secunda. 



P. GELIDA, Lindl. — This is a somewhat bold growing plant, attaining a foot 

 in height, bearing stout, oblong leaves which are deep green, and it produces 

 racemes of creamy -white, or greenish- white flowers, which remind one much of 

 spikes of Lily of the Valley ; it is a very pretty species. Flowers during the 

 summer months. — Jamaica. 



