. MALAXIDEE. DENDROBIES. 09 
29. BoLBOPHYLLUM erectum. Thouars. 
B. rhizomate filiformi; pseudo-bulbis subrotundis angulatis, foliis oblongis 
solitariis emarginatis, scapo erecto foliis longiore, spicà laxà nutante, 
sepalis lateralibus acuminatis: supremo acuto, petalis subulatis, labello 
oblongo ciliato, column& mutica. 
Bulbophyllum erectum. Thouars t. 96. 
Hab. in Madagascar ; Thouars. 
30. BoLBOPHYLLUM recurvum. 
B. pseudo-bulbis ovatis compressis cespitosis, foliis solitariis oblongis ob- 
lique emarginatis subtüs purpureo-maculatis, scapis pendulis foliis dupló 
longioribus, spicis quadrifariam imbricatis, sepalis ovatis acutis ciliatis, 
petalis obovatis, labello ovato integerrimo carnoso. 
Tribrachia pendula. Lindley in Bot. Reg. t. 963. 
Hab. in Sierra Leone. (v. v. cult.) 
Flores virescentes; rachi et labello purpureis. Pollinia 4, omnia cohe- 
rentia, interioribus obsoletis. 
3l. BorsornvyriLvM tetragonum. 
B. pseudo-bulbis ovatis acute tetragonis, foliis solitariis, rachi tetragon& 
pubescente, bracteis oblongis acutis dorso pubescentibus capsularum 
longitudine, sepalis ovatis «qualibus, petalis subulatis, labello ovato 
apiculato margine membranaceo serrato. 
Hab. in Sierra Leone. (v. v. cult. sine floribus, et s. spontaneum.) 
Exemplar seminiferum et spice partem tantüm vidi. Rachis flexuosa 
tetragona sulcata, pilis nigris raris adspersa. Bractee cymbiformes, 
subtüs pilosz, florum longitudine, sessiles, semiamplexicaules. Flores 
parvi, recti, sepalis ovatis, conniventibus, «qualibus, petalis subulatis 
columná paul) longioribus erectis. Columna subrotundo-ovata, antic? 
alata (alis marginem rotundatum formantibus a basi anticà usque ad 
cardinem anthere, ubi in processu ovato connascuntur) callo plano 
prominente elliptico transverso ad ipsam basin anteriorem. Stigma 
pulvinatum subquadratum, in facie columne intra margines. , Labellum 
minimum, oblongum, carnosum, marginatum, faciei columna incumbens 
apice reflexo, marginibus tenuibus serratis. 
This curious little plant was formerly cultivated in the Garden of the 
Horticultural Society, but is now lost. It is frequently sent from Sierra 
Leone mixed with other epiphytes, and is, I should think, very common 
in that colony. 
32. BorsornvLLvx polyrhizum. 
B. pseudo-bulbis ovatis cespitosis, foliis ........, scapis erectis, spicis 
laxis erectis 5-6-floris, sepalis ovatis obtusis aequalibus, petalis minimis, 
labello sessili ovato obtuso integerrimo. 
Hab. in India Orientali ; Wallich. (v. ic. pict.) 
Pseudo-bulbi atrovirides, Flores viridi lutei. 
33. BorsornvrLuM cylindraceum. 
B. pseudo-bulbis nullis, foliis solitariis oblongo-lanceolatis petiolatis seapis 
dupl? brevioribus, spicà densissimà cylindraceà ad basin spathá involutà, 
