1043 
SPIRANTHES grandifiora. 
Large-flowered Spiranthes. 
GYNANDRIA MONANDRIA, 
Nat. ord. Orcuinem. Tribus Neothes Lindl. 
SPIRANTHES. Supra, vol. 10. fol. 823. 
S. grandiflora; foliis obovato-lanceolatis obtusis glabris maculatis, scapo 
piloso, bracteis ovato-lanceolatis ovarii longitudine, perianthii laciniis 
inferioribus longissimé cum ovario connatis, labello cuneato-cucullato 
viridi-venoso apice deltoideo basi sagittato. 
Folia radicalia sublucida, hic illic colore pallidiore nebulosa, obovato- 
lanceolata, obtusa, patentia. Scapus erectus, 2-pedalis, basi glaber vaginatus, 
sursim cum floribus pilosus. Bractew ovato-lanceolate, rigide, pilose, basi 
glabre, viridi venose, ovarti longitudine. Ovarium unciam feré longum 
villosum. Perianthium connivens, laciniis carnosis, parallelis ; superiore basi 
corrugata, oblonga, apice recurva, intis nitida; lateralibus interioribus 
pauld brevioribus, obtusis, appressis, lucidis, atro-viridibus ; lateralibus infe- 
rioribus basi in ovario per totam longitudinem decurrentibus, margine antico 
discretis, lamina oblonga, obtusa, labello longiore. Labellum cucullatum, 
cuneatum, pedicellatum, bust sagittatum, marginibus columne arctissimé 
agglutinatis, apice deltoideo, viridi-venoso. Columna brevis posticée ad mar- 
ginem dentatus, antice pubescens. Stigma verticale, reniforme, semiclausum, 
rostratum, emarginatum. Anthera pedunculata, rostrata, bilocularis. Pol- 
linia duo, biloba, caudiculata, glandule emarginate adherentia. 
This new species was found near Rio Janeiro, by 
Mr. David Douglas, by whom roots were sent to the Hor- 
ticultural Society, in 1824. It grows freely in rotten 
mould in the stove, and flowers in October. It is the 
largest and most remarkable of the genus, except Spiran- 
thes elata, from which it is obviously distinguished. 
The cohesion of the labellum with the sides of the 
columna, which is very firm in all the species, is in this so 
powerful, that it may easily be mistaken for actual union 
of the parts. 
Leaves radical, somewhat shining, clouded here and 
