A. B. RENDLE : MONOCOTYLEDONS. 219 
paullo minoribus, ovato-oblongis, obtusis; disco cum 
crista transversa instructo; columna breve, robusta; 
capsulis ellipsoideis. 
Hab. Ruchigga. Fl. November, 425 in part. 
* Flowers yellowish." 
Caulis, racemo incluso, 4 em. long. — Pseudobulbi cire: 
lem. long. vel minores, 1-1:5 mm. diam. Folia ad 2- 
25 em. long. cirea 5 em. lat. Seapus 2-2:5 em. long.: 
bractex fertiles 15 mm. long. Flores circa 6 mm. long. 
Sepalum dorsale 2:5 mm. long., vix 2 mm. lat. Sepala 
lateralia equilonga; mentum 3 mm. long. Petala circa 
2 mm. long. Labellum circa 6 mm. long. ad 3 mm. lat. ; 
unguis pene 4 mm. long.; basi L5 mm. lat., lobus 
medianus 1°5 mm. long. Columna cirea 1 mm. long. 
Capsula 8 mm. long., circa 4 mm. diam. 
A distinct species recalling P. alpina, Lindl. (from Fernando 
Po), in its habit and minute flowers, but distinguished by the 
several-flowered raceme aud the details of floral structure, 
especially the absence of the large callus on the lip. 
POLYSTACHYA ARISTULIFERA, Sp. nov. 
Planta habitu P. fusiformis, Lindl., pseudobulbis super- 
positis, ey lindricis, superne latioribus, folio infimo elliptico, 
superioribus majoribus, lineari-oblongis ad lanceolatis; 
panieulis puberulis; bracteis e basi lata setiformibus, in 
parte panicula inferiore pedicellum brevissimum cum 
ovario equantibus, in parte superiore brevioribus ; floribus 
parvis glabrescentibus; sepalo dorsali late ovato, apice 
acuminato breviter caudato, 3-nervi, sepalis lateralibus 
dorsali similibus sed latioribus (triangulari-ovatis) eum 
columna mentum saccatum obtusum formantibus; petalis 
lineari-oblongis, acutis, uninervibus ; labello late ungui- 
eulato, trinervi, trilobato, lobo medio orbiculare ex apice 
retuso apieulato, margine crispulato, lobis lateralibus or- 
biculari-ovatis, obtusis, suberectis, disco cum callo parvo 
rotundato instructo ; columna robusta; capsulis oblongis. 
Hab. Ruchigga. Fl. November, 446. 
Pseudobulbi circa 4 cm. long. Folium infimum 3°5-5 cm. 
long., 1:5-2 cm. lat., superiora ad 12 cm. long., 1°8 em. lat. 
Panicula eirca 6 em. long. Bracteæ ad 1 cm. long. in 
parte panicule inferiore, in parte superiore duplo minores. 
