■1920.] 



123 



Lecaniifm aeqimle Newst. 



This very characteristic species which, hitherto, has been recorded 

 from British Guiana only, has now turned up on the foliage of an 

 Orchid {Lnelia-caftleya elegans — a natural hybrid between a Laelia 

 and a CaUlpya) in Mr. W. J. Kaye's orcliid-house at Surbiton, 



Fig. 5. — Lecanmm aequale. Optical section of early adult $ , X 50. 



The present examples differ slightly from the type as described by 

 Prof. Newstead. The species is peculiar in the possession of a medio- 

 dorsal series of conspicuous ring-shaped pores. Newstead describes these 

 as ''a very scattered group of pores " occurring on the area immediately 

 above the anal operculum, and remarks that they " entirely disappear in 



m2 



