128 DR. LINDLEY ON WEST AFRICAN TROPICAL ORCHIDS. 
as if cut off by a knife. The little flowers appear to be yellow. 
Seems to be related to Bolbophyllum nutans of Du Petit Thouars. 
12. B. FALCIPETALUM; pseudobulbis ovalibus ancipitibus diphyllis, 
foliis linearibus emarginatis, scapo longiore scabriusculo ad basin fere 
florido, bracteis ovatis semiamplexicaulibus refractis, sepalis acutis dor- 
sali latiore, petalis columnæ pedem decurrentibus linearibus falcatis, 
labello obtuse hastato basi concavo 3-lineato, columne angulis in- 
curvis. 
* Epiphyte, yellow. Banks of the Nun, Sept. 1860." (526) Mann. 
The narrow sickle-shaped petals curve forwards over the lip, 
like a pair of sharp horns. 
13. B. PAVIMENTATUM ; pseudobulbis densissimis subrotundo-oblongis 
compressis monophyllis, folis oblongis planis pedicellatis, scapo foliis 
longiore filiformi erecto arcte 4-vaginato, spica densa, floribus carnosis 
glabris bracteis obtusis longioribus, sepalis ovatis acuminatis obtusis, 
petalis ovatis retusis, labello brevi carnoso tomentoso obtuse acuminato 
revoluto, columna biseta. 
* Epiphyte. Calyx green, corolla purple. Banks of the Nun, Sept. 1860.” 
(519) Mann. 
The ground is closely paved with the pseudobulbs of this species, 
which may be compared with such as eupreum or recurvum. 
14. B. COMATUM ; pseudobulbis ovatis angulatis monophyllis, foliis 
papyraceis spathulatis acuminatis, scapo pseudobulbis duplo longiore 
laxe vaginato, spica oblonga densissima villosissima, sepalis acuminatis, 
petalis subrhombeis acutis labelloque oblongo obtuso canaliculato sca- 
bridis, columnz brachiis erectis linearibus retusis. 
* Epiphyte. Fernando Po, at 2000 feet, Dec. 1860." (642) Mann. 
A very singular species, little like any other. The heads of 
flowers are from an inch to 1} inch long, so entangled with hairs 
as to resemble a mass of wool. 
MzaacriNIUM, Lindley. 
l. M. OXYPTERUM, Lindl. in Bot. Reg. 1839, Misc. 10. 
* Flowers yellow.  Prince's Island." (2026) Barter. 
The leaf is broader and more oval than in the cultivated plant. 
2. M. PvRPURATUM ; folio solitario oblongo, rachi angusta obtusa cus- 
pidata crenata, bracteis oblongis apiculatis margine revolutis, sepalis 
aristatis dorsali fornicato, petalis setaceis, labello ovato-lineari basi 
denticulato. 
** Flowers and whole spike purple. Brass." (1854) Barter. 
