rums of the "Lindenii” type. I find them positively 
puzzling even when I have good material for compari¬ 
sons. 
Your latter regarding the Triphorae arrived so 
late that X decided to postpone the treatment of 
Trinhora for a supplementary leaflet issue of Orchida- 
coae that I intend to establish. I 'mat presented my 
treatment of the United -States species with references 
to exotics where these seemed necessary. Your key, by 
the way. bothered rue as you seem to have overlooked 
one or two characters that upset it* 5?. trianthophora 
has distinct carinae. If you depended on the formaline 
•-i material I sent you for a study of the lip you would 
be very likely to go wrong as the delicate tissues of 
this superdelicate species go all to pieces when pre¬ 
served in liquid. I must also send you a tracing from 
the type of T. mexicana. I fear that the specimen you 
regard as the type is the topetype. This was sent out 
as l ?©g<mia mexicana Watson n. sn. but was collected a 
year later than the type. I belive the type is unique. 
With the best of good wishes. 
Yours faithfully. 
