Camaridium bracteatum Schlechter in Fedde Repert. 
Beithefte 19 (1928) 57. 
This species has been found only in Costa Rica where 
it occurs on trees in forests up to 1900 meters altitude. 
Maxillaria brevilabia Ames & Correll nom. nov. 
Ornithidium Alfarot Ames & Schweinfurth in Sched, 
Orch. 10 (1980) 98, non Mavidllaria Alfaroi Ames & 
Schweinfurth. 
This species has been found only in Costa Rica where 
it grows on trees in forests up to 1800 meters altitude. 
The specific name is in allusion to the relatively short 
lip. 
Maxillaria concavilabia Ames & Correll nom. nov. 
Ornithidium stenophyllum Schlechter in Fedde Repert. 
Beihefte 19 (1923) 59, nec Maaillaria stenophylla 
Reichenbach filius, nee Maaillaria stenophylla Weh- 
man & Kriinzlin. 
This species has been found only in Costa Rica. 
The specific name is in allusion to the prominently 
concave lip. 
Maxillaria falcata Ames & Correll nom. nov. 
Ornithidium costaricense Schiechter in Fedde Repert. 
8 (1910) 456, non Maaillaria costaricensis Schlechter. 
This species is common in Costa Rica, the only coun- 
try in which it has been found. It occurs as an epiphyte 
on trees in forests up to 2500 meters altitude. 
The specific name is in allusion to the faleate lateral 
lobes of the lip. 
Maxillaria paleata (Reichb,f.) Ames & Correll comb. 
nov. 
Ornithidium paleatum Reichenbach filius in Linnaea 
41 (1876) 36. 
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