210 
DISA prasinata. 
Mr. Griffin's Disa. 
GYNANDRIA MONANDRIA. 
Nat. ord. Orcuipex. Jussieu gen. 64. Brown prod. 309. 
Div. I. Anthera adnata subterminalis persistens. Pollinis_ masse é 
lobulis, angulatis elasticé coherentibus ; basi affixee. Brown in Hort. Kew. 
ed. 2. 5. 188. ‘ 
- DISA. Cor. ringens: galea basi unicalcarata_v. saccata, petala in- 
teriora columne accreta. Labellum ecalcaratum, Idem loc. cit, 
rr 
, Div. Calcare longiore. 
D. prasinata, galea obtusa; calcare oblongo dorso subcarinato-convexo, 
ventre concaviusculo appresso germini sublongiori, labello lineari acuti- 
usculo, spica laxa, bracteis floribus subbrevioribus. 
_, Caulis sesquipedalis, crassitudine penne. mediocris, totus foliosus, erectus, 
Virens. Fol. amplexicaulia, lanceolatim. ligulata, erectiuscula, sparsa, dis- 
tantia, intervallis longiora, let2 virentia, decrescentia, carina crassiore, in- 
Serne rubentia presertim inferiora, longiora subQuncialia, latitudine 4 partium 
Uncie, Spica laxé subcylindracea, 6-uncialis v. ultra. Bractese convoluto- 
lanceolate, erecta, cuspidate, margine baseos membranaceo, apiculo rubro. 
‘Blores inodori, cum germine simul unciales. Cor. viridans, resupinata, rin- 
‘Sens, patentissima : galea ata, cuneato-obovata, erecto-fornicata, parim 
brevior calcare, intis saturate rosea, rubedine virorem externé perlucente ; 
Calcar wirens compressiusculum : pet. lateralia 2 inferiora (ult galea, ex- 
teriora ) lineari-oblonga, obtusula, depresso margine convexa, labellum versis 
obliquata, retroflexa, modo ut ex apicibus poné germen contingant, chloroleuca 
ast intits maculis et punctis roseis: labellum zstis equilongum, duplo angus- 
tius, viride, deflecum, lavigatum, sensim versiis. apicem incrascescens, con- 
verum: pet. lateralia 2 superiora ( ut? labellum, interiora) crassiuscula, 
viridia, galed inclusa, erecta, & plano opposita, bast lata, indé abruptiis 
angustata, lanceolata, obliquato-obtusa, emarginata, ultra basin punticulis 
2rrorata. Anthera per summam columnam supinata ; cucullt paries erecta, 
4 parte galee roxima incompleta, latere utrogue replicato-auriculata atque 
cum petalis 2 intimis commossa pollinis massz clavate, lute, ex vesiculis 
varié pressis loricatim dispositis. Stigma oblique prominens trans pedem 
columne supra basin labelli.. 
— ———— 
A genus confined to the Cape of Good Hope and the 
adjoining regions, Twenty-eight species have been enu- 
Merated by Willdenow.. Two only appear to have found 
their way into the collections of this country, before the 
Present unrecorded one, lately introduced by Mr. Griffin, 
With whom it flowered this spring. It comes near to both 
rufescens and bracteata ; but is at once distinguished from 
the first, by an oblong spur which is shorter than the ger 
a 
