164 TlMEHRI. 
In the absence of any collected account of the plants of 
Guiana, botanical students are always glad to know 
where to seek for the many scattered and fragmentary 
accounts. The references are as follows : — 
" Maxillaria Desvauxiana, Rchb. f., Refg. bot., t. 134. Cayenne, New 
Grenada. 
" Pleurothallis ciliata, Knowles and West. ; Rchb. f., in Refg. bot., t. 
1 42. — Demerara. 
" Pleurothallis floripecten, Rchb. f. Refg. bot., t. 118. — Venezuela. 
" Zygopetalum rostratum, Rchb. f., Refg. bot., t. 106. — Surinam. 
