FLORA NIGRITIANA. 529 
lineam longa. Inflorescentia revera cymosa centrifuga, cyma 
tamen nunc ad florem terminalem reducta, nunc bifida 4-flora 
flore alari deficiente, nunc floribus alaribus solis evolutis et 
ramo altero cujusve bifureationis abortiente in racemum uni- 
lateralem mutata, pedicellis bractez oppositis. Flores mag- 
nitudine et forma D. orobanchoidis, at erecti videntur, lobis 
alternis perianthii minimis. Stamina eadem. Stylus multo 
longior, apice dilatatus et trifidus, lobis stigmatosis bifidis. 
Capsula apice subvalvatim dehiscere videtur, seminibus plu- 
rimis placentis 3 parietalibus affixis. 
CIV. OncnipEX. 
$ The difficulty of drying plants which require any extra care 
m the operation, during the hasty visits to the hot damp 
regions of West}Tropical Africa, has probably been the cause of 
the paucity of thick-leaved Monocotyledonee in general, and of 
Orchidee in particular, in all collections brought from thence. 
Vogel says, in his Journal, that Orchidee are frequent in 
Sierra Leone, and that he saw more than thirty species at 
One time at Mr. Whitfield’s, which that collector meant to take 
to Europe. I cannot, however, find any record of more than 
twenty-six already published from the whole region, of which at 
least half-a-dozen are yery doubtful. Of the collections before 
us, Don’s contains the Polystachya puberula, Lindl., Eulophia 
lurida, Lindl., and two specimens without flowers, not determi- 
nable ; Vogel’s has the Ansellia Africana, Lindl., Eulophia 
Guineensis, Lindl., or a species closely allied to it ; a new Lis- 
Sochilus, described below, and three undeterminable specimens. 
The published species, as far as I can collect from the very 
Wregular manner in which garden plants are described in 
Periodicals of all kinds, are the following : 
Megaclinium falcatum, Lindl., Sierra Leone; M. maximum, 
Lindl., Sierra Leone; M. velutinum, Lindl., Cape Coast. ; 
Bolbophyllum recurvum, Lindl., Sierra Leone and Rio Ja- 
neiro; B. tetragonum, Lindl., B.? pumilum, Lindl., and B.? 
galeatum, Lindl., Sierra Leone. 
MM 
