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XV. Account of Gamoplexis, an undescribed Genus of Orchideous Plants. 
By Hven FaLco&zgn, M.D., F.L.S. &c. 
Read February 2nd, 1847. 
Ord. Nat. OncnuipEx. 
Trib. Gastropia, R. Br. 
GAMOPLEXIS. 
Cuar. Gen. Perianthium monophyllum, tubulosum, basi- ventricosum, limbi breviter 6- 
lobi segmenta rotundata; exteriora æqualia; interiorum posticum, pedicelli torsione 
anticum, (labellare) lateralibus pauló majus ezeteroquin consimile. Columna elongata, 
erecta, semiteres, marginato-dilatata, apice tridentata cava, basi anticé incrassata stig- 
matifera, Anthera terminalis, mobilis, decidua, carnosa, bilocularis, loculis parallelis 
contiguis. Masse pollinis in utroque loculo solitariz, e lobulis majusculis granulatis 
laxé coherentibus conflate. Glandula aut caudicula nulla. 
Herba parasitica (?), aphylla, vaginata, rufescens, habitu Orobanchem quamdam omninà re- 
ferens. Rhizoma Aypogeum, tuberosum, annulatum, spongiosum, Racemus elongatus, 
multiflorus, primo nutans, demum erectus. Flores mediocres, erecti, pallidé stramineo- 
virides vel ochroleuci. | 
GawopLExis OnoBANCHOIDES (Falc. MSS. cit. in Royle, Illustrat. p. 364, et in Lindley, 
Genera and Spec. of Orchid. Plant. p. 384, absque charactere aut definitione. 
Hab. In umbrosis humidis inter montes Emodenses ad altitudinem circiter 7000 pedum 
supra mare; Dhunaultee, Tyne-Teeba, Simla, &c. Floret Julio et Augusto. 
Descr. Herba terrestris, tripedalis, omnino levis, erecta, rigida, aphylla, vaginato-squamata, 
rufescens, ad arborum radices inter folia putrida passim obvia. Rhizoma hypogzum, 
tuberosum, ovoideo-oblongum, depressum, crebré annulatum, annularum marginibus 
membraná scariosá lacerá adpressá (vaginarum rudimento) instructis, nunc fibrillis 
radicum alienarum suprà reticulatis et superficialiter accretis utrinque tectum, ideo- 
que ut videtur parasiticum, longitudinaliter in humo stratum, ab alterá extremitate 
gemmam scapigeram, ab alterá viviparam (rhizomatiferam) proximá messe in plantam 
evolvendam, proferens: fabricà penitiore carnoso-spongiosum, medio laxissim’ cel- 
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