DR. LINDLEX ON WEST AFRICAN TROPICAL ORCHIDS. 125 
Livarts, Richard. 
1. Sp.? in fruit only. 
* On Mangroves, R. Nun." (2122) Barter. 
2. Sp.? no flowers. 
“Terrestrial, in a swamp. Flowers deep red. Lagos.” (2202) Barter. 
3. L. GUINEENSIS? Lindl. in Bot. Reg. vol. xx. t. 1671. 
* Flowers small, purple. Prince's Island." (1980) Barter. 
The flowers are very young; but the plant would certainly be 
referred to L. guineensis were they green instead of purple. 
4. Sp.? no flowers. 
*On rocks. Prince's Island." (2029) Barter. 
BOLBOPHYLLUM, Thouars. 
8 Ptiloglossum ; labello elastice articulato, plumoso. 
1. B. cava MARIUM, Lindl. in Bot. Reg. 1843, Misc. 109; Bot. Mag. 
t. 4088. 
“Flowers chocolate. Labellum fringed with long hairs. Town of 
Nupe." (1482) Barter. 
2. B. RHIZOPHORÆ; pseudobulbis ovatis diphyllis, foliis oblongis con- 
duplicatis obtusis, spicis multifloris pendulis, bracteis subrotundo- 
ovatis reflexis margine membranaceis, rachi floribusque scabris, sepalo 
dorsali lineari lateralibus intus pubescentibus subrotundis cuspidatis 
multo longiore, petalis linearibus angustissimis glabris apice setaceis, 
labello lineari intus villoso sub apice mucronulato. 
“On Mangroves. Flowers uniform deep purple. R. Nun." (2118) 
Barter. 
A very distinct species, with the small flowers and angular fili- 
form rachis covered with a purple rough fur. The bracts are quite 
smooth. 
3. B. DISTANS; pseudobulbis quadrangulis brevibus monophyllis, foliis 
loratis basi angustatis obtusis spica disticha longioribus, bracteis glu- 
maceis distantibus, sepalis petalisque setaceo-acuminatis, labello a basi 
concava carinata longissime setaceo villosissimo. 
“Epiphyte. Banks of the R. Nun, Sept. 1860.” (525) Mann. 
Leaves about 6 inches long. Scape from 2 to 4 inches long, 
with about two tight vagine. Hairs of the lip apparently violet. 
4. B. cocHLEATUM ; pseudobulbis angustis teretibus diphyllis, foliis 
angustis obtusis, scapo plurivaginato paulo breviore, spica densa di- 
sticha bracteis cochleatis imbricatis, sepalis carnosis subzqualibus, 
petalis ovatis carnosis column zqualibus, labello linguiformi supra 
carinato sepalis breviore, columns dentibus erectis obtusis postice 
emarginatis. 
" Epiphyte. Fernando Po, at 4000 feet, Dec. 1860." (643) Mann. 
