362 
OBCHIDEjE. (S. Moore.) 
[Poly st achy a. 
subcordate at the base, membranous, 5J-10 in. long, 1-lf in. broad. 
Panicle as long as the leaf, loosely divaricate, usually with one long, 
sheathing scale ; bracts \ in. long. Lateral sepals broadly tri- 
angular-ovate, acuminate ; lower a little shorter, lanceolate. Petals 
oblong-spathulate, £ in. long. Labellum as long as the lateral sepals, 
ovate, papillose on the inner face ; lateral lobes rounded, about as 
long as the ovate-oblong, cuspidulate mid-lobe. Pollen-masses sessile, 
ovoid. Capsule oblong, 1 in. long. Dendrobium cultriforme, Thouars, 
OrcJi. Afr. t. 87 ; Rich. Orch. Maur 59, t. 8,/. 3. 
Mauritius ; the Pouce, Peter Both, Quartier Militaire, and Nouvelle Decouverte, 
Bojer! Bouton! Ayres! Endemic. 
Var. nana. Stem 1-1£ in. high. Leaf 3-4 in. long. Mauritius, Bouton! Bojer. 
2. P. zeylanica, Lindl. Bot. Reg. 1844, Misc. no. 144. Leaves 
oblong or oblanceolate, fleshy, 4-6 in. long, about f in. broad, im- 
bricate on a short, erect stem and articulated on their loose, persis- 
tent, at length scarious sheaths. Panicle ascending, stiff, f-1 foot 
high, sheathed with long loose scales ; bracts ovate-lanceolate, about 
^ in. long, but diminishing upwards ; bracteoles in. in length. 
Lateral sepals triangular-ovate, ^ in. long ; lower sepal a little shorter 
and narrower. Petals oblong-spathulate, about T \ in. long. Labellum 
obovate, crenulate, papillose on the inner face ; lateral lobes very short, 
obtuse ; mid-lobe rotundate, entire or emarginate. Pollen-masses 
sessile, subpyriform. Capsule narrow-obovoid, nearly \ in. long. 
Rchb. f. in Walp. Ann. vi. 639. Dendrobium polystachys, Tliouars , 
Orch. Afr. t. 85 ; Rich. Orch. Maur. 57, t. 8,/! 4 {excl. syn). 
Mauritius, the Pouce and Peter Both, Bojer ! Ayres ! etc. Seychelles, Horne ! 
Found also in Ceylon and the Indian Archipelago. The pedicels are of two kinds, 
some are short and slender, others long and stout. 
Var. racemifer. Flowers in racemes which are never more than £ foot long. 
Mauritius. Bouton ! 
3. P. fusiformis, Lindl. Bot. Reg. sub. t. 851, and Gen. andSp. Orch. 
73. Stem erect, about 4 in. high, giving off occasionally a bulbi- 
form appendage from the lower axils. Leaves subimbricate at the top 
of the stem, oblong, emarginate, 1^-3 in. long, i in. broad. Panicle 
nodding, about 2 in. long; bracts and bracteoles ovate, acute in- 
long. Sepals broadly ovate, acuminate, the lower a little the smaller. 
Petals oblong. Lateral lobes of labellum rotundate, almost as long as the 
broadly oblong, obtuse mid-lobe. Dendrobium fusiforme, Thouars, 
Orch. Afr. t. 86. 
Mauritius, in sunny places on high mountains, Bojer. Seychelles ? Wright ! 
I have seen no specimen unless Prof. Wright’s plant, unfortunately only a scrap, is 
rightly referred here. 
22. AGROSTOPHYLLUM, Bl. 
Sepals usually free, spreading, the lateral more or less produced at 
