4. Palmorchis Powellii (Ames) Schweinfurth & 
Correll comb. nov. 
Rolfea Powellui Ames in Sched. Orch. 7 (1924) 82, 
fig. 6. 
This species is readily distinguished from Palmorchis 
pubescens, to which it is most closely allied, by its smaller 
stature, smaller flowers and 5-lamellate lip. It is found 
in Panama. 
5. Palmorchis pubescens (as pubescentis) Rodri- 
gues Gen. & Sp. Orch. Nov. 1 (1877) 170. 
Jenmania elata Rolfe in Kew Bull. 1898: 198. 
Rolfea elata Zahlbruckner in Journ. Bot. 86 (1898) 
493. 
Sobralia pubescens Cogniaux in Martius FI. Bras. 3, 
pt. 5 (1901) 347, t. 78, fig. 2. 
This species, which is the type of the genus, is the 
largest and most robust plant of the group, both vege- 
tatively and florally. It is found in Trinidad, British 
Guiana and Brazil. 
According to Rodrigues, this species is commonly 
known by the natives as Baunilhasinha, Little Vanilla. 
6. Palmorchis sobralioides (as Sobralioidis) Ro- 
drigues Gen. & Sp. Orch. Nov. 1 (1877) 170. 
Sobralha Rodriguesu Cogniaux in Martius F]. Bras. 
3, pt. 5 (1901) 840. 
Neobartlettia sobralioides Schlechter in Fedde 
Repert. 16 (1920) 441. 
This species is characterized by its narrowly triangu- 
lar-obovate lip which is about 12 mm. long and 8 mm. 
wide. It is lightly 3-lobed above with a short triangular- 
ovate mid-lobe. It is found in the province of Para, 
Brazil. 
[ 119 ] 
