ERRATA 
page 39, line 21 
for Pleurothallis biflora Schlechter in Beihefte Bot. Centralbl. 36, 
Abt. 2 (1918) 395, non Focke (1849). read Pleurothallis biflora 
Schlechter in Fedde Repert. Beihefte 19 (1923) 181, non Focke 
(1849). 
page 75, line 17 
for glumibracteatum read glumibracteum 
page 104, lines 22 and 25 
for (1855) read (1858) 
page 118, line 20 
for Santa Martha read Santa Marta 
page 120, line 10 
add period after lepidota 
[ xvii | 
