THE OECHIDOLOGT OF INDIA. 189 



From Cheirostylis must be separated Morren's Dossinia, on 

 account of its ventricose labellum, the double petaloid deflected 

 process of its style, and either a tubercle or a double vertical 

 plate situated at the base of the epichil. 



From Goodyera three forms require to be distinguished. Firstly, 

 Achille Eichard's JPlatylepis, the Goodyera occulta of Du Petit 

 Thouars, the lip of which has a pair of calli within the base, and a 

 •long column, the stigmatic area of which is bordered by a mem- 

 brane ; for this, of which I have a second species from Tahiti, I 

 propose the name of Notiophrys*, that of Platylepis being now 

 admitted among Cyperacece. A second genus is the section of 

 Goodyera, which I formerly called Bharnphidia (Gren. et Sp. Orch. 

 p. 494), and at a later period Cerochilus, distinguished from Good- 

 yera by its dorsal lip with calli instead of hairs within, and from 

 Macodes and Mhornboda by the want of appendages on the column. 

 The last-mentioned genus is founded upon a most remarkable 

 plant, native of Sikkim, with a great saccate dorsal lip, a truncate 

 column having quite a funnel-shaped anther-bed, and a pair of 

 large, soft, tooth-like transverse processes in front, resembling in 

 form the mandibles of a coleopterous insect, added to which the 

 customary calli within the base of the lip are so large and thin as 

 almost to deserve the name of petaloid. Of the importance and 

 signification of these processes I hope to offer some explanation 

 on another occasion. 



The last group, in which the base of the lip is flat, consists of 

 four certain genera, Chloidia, Zeuxine, Monockilus, and Cheiro- 

 stylis, to which may possibly be added Blume's Eucosia, a plant 

 which I have found nowhere, and of which the figure is perhaps 

 as inaccurate as that of Macodes. 



In order to bring the differences among the genera of Physurids 

 into a more distinct view, the following analytical table has been 

 prepared. 



* Sp. 1. N. occulta (Goodyera occulta, Thouars ; Platylepis goodyeroides, 

 A. Rich. ; iEtheria occulta, Lindl.) ; bracteis ventricosis floribus longioribus, 

 labello indiviso, sepalis pilosis. — Mauritius. 



Sp, 2. N. Commelynce ; bracteis planis acutis ovarii longitudine, labello apice 

 3-lobo, sepalis glabris. — A foot and a half high. Leaves three, stalked, 

 oblong lanceolate acuminate, shorter than the scape, which has three close- 

 pressed sheaths and is downy under the spike. Spike itself and ovaries downy, 

 4 inches long. — Found once only in Tahiti by Bidwill (who at first took it for 

 & Commelyna), on a rock, in the bed of a stream, in the valley of Fataua, about 

 a, mile beyond the native camp. 



