196 



ORCHIDEiE. iPlatanthera. 



Gymnadenia of Mr Brown, G. conopsea. It is not unfrequent to find the lip quite entire, and more or 

 less acute, and the narrow-leaved var. of this, is, as It appears to me, the Platanthcra tipulanoides of Lindl. 

 Orchis gracilis, Fisch. in Herb. Hook, 



8. PLATANTHERA. Rich. Lind. 

 1. Lahellum indivisum, snhintegerrimnm. 



1. P. ohtusata (Lindl.) ; folio solitario oblongo-obovato, caule monophyllo, spica laxi- 

 uscula, sepalo supremo latissimoj petalis snbtriangularibus acuminatis obtusis, labello 

 lineari-subacuminato basi bituberculato calcaris conici arcuati acuti longitudine. (Tab. 

 CXCIX.) Lindl. Gen. Orchid, p. 284. Habenaria, Rich. App, p. 33. Orchis, Ph. Am. 

 2. p. 284. 



Hab, Nova Scotia. Menzies. Canada. Mrs Perceval. Mrs Sheppard (at Cape Torment), to Carlton 

 House Fort, on the Saskatchawau and alpine swamps of the Rocky Mountains, and thence to Bear Lake 

 and Fort Franklin. Dr Richardson. Drummond. Labrador. Dr Morrison. N. W. Coast. Menzies. 

 Douglas. Kotzebue's Sound. Beechey. 



Tab. CXCIX. Fig. 1. Side view of a flower ; /. 2. Front view of do. ; / 3. Upper sepal ; /. 4. Petal ; 

 f. 5. Anther. 



2. P, elegans (LindL Ge7i. Orch, p. 285); foliis binis oblongo-lanceolatisj caule squa- 

 mis parvis ramentaceisj spica longa densa cylindracea, bracteis lineari-subulatis floruni 

 longitudine, sepalis campanulatis acuminatis obtusis, petalis labelloque carnosis ovato- 

 linearibus obtusis subajqualibus, calcare filiformi arcuato ovario longiore. LindL 



Hab. N. W. America. ValUes of the Blue Mountains. Douglas. Fort Vancouver. Tolmie. — Flowers 

 white and fragrant. Koot an undivided tuber. Stem a foot and a half high. Flowers small. Pollen-glands 

 very large, 



3. p. Hookeri (Lindl. Gen. Orchid, p. 286) ; foliis radicalibus binis suborbiculatis car- 

 nosis, scapo nudo, spica striata multiflora, sepalo superior! ovato lateralibus lanceolatis 

 reflexis, labello lanceolato acuminato glabro sepalis parum longiore, calcare subulato ar- 

 cuato compresso ovario duplo longiore, anthera triangular! angulis basi obtusis. — Habe- 

 naria orbiculata. Hook. Ex. PL t 145. [nan Pursh). Habenaria Hookeri. Torreyy 

 Herb. — Gray^ Neiu or rare plants^ St. of New York, p. 229. 



Hab. Upper and Lower Canada. Dr Todd. Goidie^ Lady Dalhousie. Drummond. 



I 



4. jP. orbiculata (Lindl. Gen. Orchid, p. 286) ; foliis radicalibus binis suborbiculatis 

 (ovalibusve) tenui-membranaceis, scapo bracteato, racemo laxo multifloro, sepalo superiori 

 orbicular! lateralibus ovatis, labello lineari-subspatliulato basi pubescente sepalis fere duplo 

 longiore, calcare' arcuato compresso clavato ovario duplo longiore, antherae lobis basi 

 utrinque productis liberis- (Tab. CC.) — Orchis orbiculata. Ph. Habenaria, 2brr, Com- 

 pend. p. 318. — H. macropliylla, HooL in Ed, PhiL Journ. v, 6. p. 331. Gray, New or 

 rare PL St, of New York, p. 228. ■ 



