ON ORCHIDS COLLECTKD AT THE ISLAND OV BOUUUON. 293 



Satyriiim am.cBnum! Lul. {Diplectrum, Thouars Orck. Afr., t. 21). 



Habenaria Richardiana, Herb, liich. 



Peristylus latijolius, Ldl. 



P. secundijlorus, Boivin. 



P. spiralis, S. Moore {Satyriiim spircde; Thouars I.e., t. 9), 



P.fiexuosus ! S.Moore {Gyinnadenia, llich., 8<ityriuin JJexuosiim, 

 Thouars I.e., t. 7). 



P. sAccuLATcrs, Bttlf. f. et S, Moore, folio unico a nobis viso parvo- 

 ovato-oblongo acuto basi leviter angastato, scapo' elato tenui sparse 

 scarioso-vaginato, fioribus ad apicem scapi laxe subcongestis, bracteis 

 ovatis acutis pedicello paullo lougioribus, sepalis oblongis obtusis, 

 petalis lanceolatis, labello ovato-lanceolato trilobo lobis lateralibus 

 brevibus obtusis lobo medio elongato acuto anguste triangulari, calcare 



labellura snperante apice leviter sacciilato. Radix non vidimus. 



Folium f unc, long., J unc. lat. Seapus I unc. alt , sulcatus. 

 Eractete ^^ uuc. long. Sepala, petala et labcllum ^l uuc. long. ; 

 calcar §• uuc. long. Ovarium oblongum, utrimpe augustatum., mox 

 incrassatum. 



Cynorchis purpurns-eens ? Thouars. 



DisA (I Micranthci) borbonica, Balf. f. et S. Moore; caule bast 

 folioso sursuiu vaginuto, foliis linearibus apice seusim angustatis,. 

 vaginis ample ovatolaneeolatis iinbiicatis ovaria superantibus vel 

 suba^quantibus, sepalis lateralibus oblongis, sep. dorsali ovato-oblongo 

 calcar breve obtusam emittens, petalis lauceolalis labello subsimilibus, 



antheris oblongis, erectis. Eerba 8 unc. ailt. Folia 2-3 unc, 



long., basi vaginantia. Bractese ^- | unc. long., concavse. Peri- 

 gouii segmenta eirciter ^ unc. loug., calcar ^ unc. long. Ovarium 

 crassum, oblongum. 



Z /parts yr eg aria, Ldl. 



Z. vaginata ? llich. The typo-specimen in Lindley's HerbariunJi 

 is without flowers ; Boiviu's L. caidesiiens is probably the same thing, 



Bidbophyllum nutans, Thouars. 



Aiir ant has gladiif alius, Rchb. f. 



A. frayrans, Kchb. f. 



A. viacrostaehys ! llchb. f. 



Anyrcecum triquetrum ! Thouars I.e., t. 49. 



A. caulescens, Thouars, var, multijhrum [A. muUifloncm, Thouars 

 I.e., t. 74). 



A. ramosiim? Thouars I.e., t. 59. Specimen exactly as in the 

 figure — without flowers or fruit. 



A. striatum ! Thouars I.e., t. 72, 



A. carpophorum? Thouars. Flowers too old for accurate deter- 

 mination. 



A. BRACTEOSUM, Bttlf.f. et S. Moore, foliis oblongo-loratis oblique 

 eraarginatis crassis ad caulem brevem robustum imbricatis, racemis 

 foliis multo brevioribus subflexuosis eirciter G-floris, bracteis amplis 

 ovatis pedicellum superantibus, sepalis petalisque lanceolatis, labello 

 perigonii segmentis reliquis subsimili calcar breve saccatum gerente, 



rostelli lobis oblongis decurrentibus. Caulis If unc. alt., basi 



radices crassas emittens. Folia 5-7 unc. long., f-1 unc. lat., nervosa. 

 Kacemi 1^-2 unc. long. ; bractese ^-| unc. long., pedicellis 3- v. 4- plo 

 lougiores.' Perigonii segmenta ^ uuc. long. Anthera parva ; pollinia 

 ovoidea ; glandula a nobis non visa. 



