16. Campylocentrum hondurense Ames in Sched. 
Orch. 5 (1928) 37. 
Two species collected by Gustav Niederlein near 
Tegucigalpa were believed by Rudolf Schlechter to be 
endemic: namely Spiranthes hondurensis Schitr. in Bei- 
hefte Bot. Centralbl. 86, Abt. 2 (1918) 878 and Pleuro- 
thalis Niederleinu Schitr. in Beihefte Bot. Centralbl. 
36, Abt. 2 (1918) 396. Spiranthes hondurensis is reter- 
able to synonymy under Sarcoglottis Thelymitra 
(Reichb f.) Ames, comb. nov. (Spiranthes Thelymitra Rei- 
chenbach filius, Beitr. Orch. Centr.-Am. (1866) 66), a 
species formerly believed to be confined to Costa Rica 
and Salvador. Pleurothallis Niederleinii is inseparable 
from Pleurothallis longissima Laindl., a species which is 
widespread in Middle America and occurs in the West 
Indies. 
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