989 
MEGACLINIUM falcatum. 
Falcate Megaclinium. 
pft oines 
GYNANDRIA MONANDRLA. 
Nat. ord. Oxcutpem. Tribus Malaxidee, Lindl. ; 
MEGACLINIUM. — Lindl. supra, vol. 10. fol. 832, in notis. Coll. 
bot. append. Orch. scel. p. x.—Bulbophylli pars. Pet. T’h,—Ephippium ; 
sect. 1. Blume. Flor. Nederl. 308—et forte Diphyes ejusdem, sed habitus 
obstat. 
Pollinia 4 cereacea wequalia geminatim coherentia, caudicula glandulaque 
nullis. Anthera terminalis, opercularis persistens minuta’ unilocularis. 
Stigma parvum intrusum, rostello emarginato. Columna plana, abbreviata, 
apice bicuspidata. Labellum integerrimum cum pede columne elasticé arti- 
culatum. Sepala exteriora basi connata: superiore difformi, interioribus 
nanis. Herbee epiphyte, oligophylle, cespitose, bulbose (Africe et Asie 
inter tropicos). Scapi radicales simplices ; rachidibus dilatatis. ~ 
as 
Sect. I. Prarycrinium. Lindl. ined. 
M. falcatum ; foliis binis ovalibus emarginatis biplicatis, rachide compressa 
falcata crenata, perianthii lacinia superiore obtusa apice utrinque callosa, 
lateralibus exterioribus reflexis bidentatis, interioribus minimis subulatis 
obtusis. 
Bulbi aggregati, cespitosi, oblongi vel ovati, demiim subtetragoni, squa- 
mis rigidis striatis sphacelatis ad basin imbricati. Folia bina, erecta, ovalia, 
emarginata, utrinque plicata, margine purpureo, supra viridia, subtis palli- 
diora: junioribus subtis purpureo puncticulatis. Scapus radicalis, teres, 
squamis paucis vaginantibus, clavatus, in rachide desinens compressd, atro- 
purpured, falcatd, crenatd, utringue in facie floriferd. Flores sessiles, parvi, 
an dentibus faciet rachidis insert, facie sud rachidem respiciente. Perian- 
thium ringens, laciniis exterioribus basi connatis: superiore erecto, oblongo, 
obiuso, apiculato, apice utrinque callis duobus luteis ; inferioribus concavis, 
bast connatis, late ovatis, reflexis, apice bidentatis obliquis; interioribus 
parvis, subulatis, obtusis, viridibus, apice luteis. Labellum ovatum, obtusum, 
bast excavatum, cum columné elastice articulatum. Columna magna, mar- 
ginata, in ovario incumbens, cum basi sepalorum lat. ext. connata, plana, 
nitida basi producta, apice tridentata, dentibus lateralibus rotundatis, inter- 
medid antheriferd, in medio stigma minutum intrusum fovente. Anthera 
minima, planiuscula, persistens, unilocularis, cristata. Pollinia 4, cereacea, 
binatim coherentia, lutea, compressa, glandula et caudicula nulls. 
Sent to the Horticultural Society from Sierra Leone, 
in 1822, by Mr. George Don. It flowered, for the first 
