28 ORCHIDACEM 



tain-sides where the plants grew epiphytic, failed to find a single 

 specimen. Since 1898 the oak trees on which the original plants 

 were found have been pollarded and the conditions for epiphytic 

 orchids rendered unfavorable. 



EXPLANATION OF THE PLATE 



Plate 7 : Epidendrum Pringlei 



The accompanying illustration was prepared from dried material, the plant figured 

 on the left having been drawn from a specimen on the type sheet. Details were 

 drawn with the aid of the camera lucida. 



1. Petal. 



2. Upper sepal. 



3. Lateral sepal. 



4. Lip. 



5. Anther. 



6. PoUinia. 



7. Column. 



