OKGIIIBS OF ATADAGASCAU. 125 



fermc seqiialibiis, postica quam antica paullo latiore et longiorc; 

 labcllum triIobum,lobis aiigustis linearibus obtusis suba^qualibus ; 

 calear elongatum clavatum porrectmn, | uncia? longum, quam 

 ovarium paullo brevius; apices antberse breves oblongi obtusi ; 

 lobi columuse laterales ovati breves ; stigmata elongata porrecta 

 oblouga obtusa, apicc paullo dilatata ; ovarium angustum, 

 uncise longum. 



Sliady M'oods, Arabatovory, D)\ Fox. 



IIABE]s^AIlTAICH^"EUiM0NIF0IlMIS3n. sp. — Semij)edalis; foliaradi- 

 calia2-uiicialia lanceolata acuta augusta, cauliua lanceolata dissita ; 

 floras pauci 4-5, laxi parvuli ; sepalum posticum ovatum lanceo- 

 latum, lateralia lanceolata deflexa ; petala ligulata erecta subob- 

 tusa ; labellum profunde trilobum, basi brevissima, laeiuiis linea- 

 ribus media quam laterales paullulo longiore, carnosulis ; calear 

 elongatum ovarium multo superaus filiforme, versus apicem dila- 

 tatum, hinc acuminatum ; antbera gracilis, apices elongati curvi j 

 rostelli lobus medius longus recurvus ; stigmata brevia oblonga 

 papillosa ad latera calcaris ostii ; lobi columnares exteriores breves 

 subtriangulares papillosi. 



Central Madagascar, Baron^ no. 3879. 



Tbe following species o£ Tlabenaria were also represented in 

 Dr, Pox's collection: — H, truncata^ Lindl., II. Hildehrandfii, 

 Ridl., and S. cirrhata^ at Ambatovorj. H., tenerrima^ EidL, at 

 Anlvcramadinka. Amp7iorc7iis calcarafa, Thouars, was found at 

 Ambatovory. Bicornella gracilis^ Lindl., was common in boggy 

 places at Ankeramadinlva and Ambatovory. 



HoLOTHRix GLABEKRiMA, n. sp.^ — Tubcra angusta elongata ; 

 folium singulum lanceolatum acutum glabrum 5-nervium ; caulis 

 erect us glaber subpedalis, vaginis longe acuminatis appressis 

 tectus ; racemus multiflorus densus secundus ; flores parvi fla- 

 vescenti-virides copiosi glabri ; bractese ovatse lanceolatse acumi- 

 natse ; sepala angusta linearia obtusa ; petala latiora lanceolata 

 acuta, basi antica angulata ; labellum trilobum basi angusta, lobi 

 laterales breves falcatuli, medius lanceus acutus ; calear pen- 

 dulum rectum acuminatum, ovarium superans ; columna brevis, 

 antbera subacuta,locuHs discretis ; rostellum breve aubteres sub- 

 erect um; lobi laterales columnar (auricula? Benthamii) rotuudati 

 papillosi. 



Ambatovory, Tmcrina- Rare ; open elevated downs, Di\ Fox. 



