ж4- 
910 
DISA prasinata, 
Mr. Griffin’s Disa, 
GYNANDRIA MONANDRIA, 
Nat. ord. Oncminxzm. Jussieu gen. 64. Brown prod. 309. 
Div. I, Anthera adnata subterminalis persistens. Pollinis masse а 
lobulis angulatis elastic& cohzrentibus; basi affixe. Brown in Hort. Kew. 
са. 2. 5. 188, 
DISA. Cor. ringens: galea basi unicalcarata v. saccata, petala in: 
teriora columne accreta. Labellum ecalcaratum. Idem loc. cit, 
Div. Calcare longiore, . 
D. prasinata, galea obtusa; calcare oblongo dorso subcarinato-convexe, 
ventre concaviusculo appresso germini sublongiori, labello lineari acuti- 
usculo, spica laxa, bracteis floribus subbrevioribus. 
Caulis sesquipedalis, crassitudine реплер mediocris, totus foliosus, erectus, 
virens. Fol. amplexicaulia, lancealatim ligulata, erectiuscula, sparsa, dis. 
tantia, intervallis longiora, lætè virentia, decrescentia, cariná crassiore, in- 
‚ferne rubentia presertim inferiora, longiora sub9uncialia, latitudine 3 partium 
uncie. Spica lazè subcylindracea, 6-uncialis v. ишта, Bractes convoluto- 
lanceolate, erecta, cuspidatg, margine baseos membranaceo, apiculo rubra. 
Flores inodori, cum germine simul unciales, Cor, viridans, resupinata, rin; 
gens, patentissima: galea lata, cuneato-obovata, erecto-fornicata, parüm 
brevior calcare, intits saturatè rosea, rubedine virorem extern perlucente у 
calcar virens compressiusculum : pet, lateralia 2 inferiora (uti galea, ex- 
teriora ) lineari-oblonga, obtusula, depresso margine conveza, labellum versis 
obliquata, retroflexa, modó ut ex apicibus pone germen contingant, chloroleuca 
bast intits maculis et punctis roseis: labellum istis equilongum, duplo angus- 
tius, viride, deflecum, levigatum, sensim versùs apicem incrascescens, cone 
®ехит: pet. lateralia 2 superiora (uti labellum, interiora) crassiuscula, 
viridia, galed inclusa, erecta, à plano opposita, basi lata, indè abruptiùs 
angustata, lanceolata, obliquato-obtusa, emarginata, ultra basin punticulis 
irrorata, Anthera per summam columnam supinata ; cuculli paries erecta, 
4 parte galee prozimá incompleta, latere utroque replicato-auriculata atque 
cum petalis 2 intimis commissa: pollinis massze clavate, luteg, ex vesiculis 
varie pressis loricatim dispositis. Stigma obligue prominens trans pedem 
columnæ supra basin Jabelli. 
A genus confined to the Cape of Good Hope and the 
adjoining regions. Twenty-eigbt 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 mich is shorter than the ger- 
L 4 
