812 CXLVIII. ORCHIDEX. (J. D. Hooker. [Pachystoma. 
side lobes oblong, midlobe small; disk with 3-5 deeply crested or fimbriate 
ridges. Column slender, clavate above, foot 0; anther 4-celled ; pollinia 
8, pyriform.—Species 6-8, probably forms of one, Indian, Malayan. and 
African species. 
P. senile, Reichh. f. in Bonpland. ii. 250; braets ovate- or lineon: 
lanceolate longer or shorter than the flowers. P. Smithianum, Edgemont 
montanum & Lindleyanum, Reichb. f. l. ¢.; Walp. Ann. vi. 642, oar 
Apaturia senilis, Smithiana & montana, Lindl. in Wall. Cat. 3739, 2 37, 
3738; Gen. & Sp. Orchid. 130, 131. A. Lindleyana, Wight Ic. t. 1662. 
Plains and foot-hills of N. INDIA, from GAuwirar to Srkkrw, the Kwasta 
HILLS and Munnyporr, and southwards to MALABAR and CEYLON.—? DISTRIB. 
Malay Islands and S, China. : 
Rhizome 1-2 in. Leaf solitary, very long and narrow. Scape T ie 
8-15 in., white or nearly so; bracts in the longest state (P. senile type) 2 4 wes, 
narrow lanceolate ; in the shortest state (P. montanum) shorter than the R 
and spathaccous ; flowers about } in. long, glandular-puberulous, white, E rrovly 
or pinkish; sepals membranous, acute or acuminate, 5-nerved; petals to nearly 
spathulate, acuminate, 3-nerved; mentum very short; lip from oblong “on or 
orbicular, claw very short ; side lobes large, obtuse or subacute ; midlobe r^ Ma 
longer, oblong or obovate, retuse or pointed, purplish ; disk with 5 (rare A rulous.— 
ridges from the base to the midlobe, and there thickened ; column pu ^ vary 80 
I cannot distinguish the plants here included under P. senile, they et d states 
much and into one another, Clarke finds the long and short bracte 
growing intermixed in the Sikkim Zerai. 
21/2. IPSEA, Lindl. 
Terrestrial herbs with the long narrow plicate leaves ame 
scape of Pachystoma, but distinctly pseudobulbous, with few la 
coloured flowers.—Species 3, Indian and an African. jystont- 
I cannot follow Reichenbach and Gen. Plant. in uniting Zpsea with Pachy 
T lden- 
1. I. speciosa, Lindl. Gen. & Sp. Orchid. 124; Dow erpot. Mog. 
yellow, lip 3-lobed, disk with 5 thick ridges, Wight Ie. t. 166: 950; Walp. 
t. 5701. Pachystoma speciosum, Reichh. f. in Bonpland. n. 2955 
Ann, vi. 462. 
CEYLON; on grassy hill-sides, alt. 4—5000 ft. in., long: 
Puberulous. E Pseudobulbs 1-1} in., tufted, depressed. Leaves 6-10 Lng the 
petioled. Scape as long, 2-3-sheathed, 2—4-fld.; bracts spathaceons, 29s oblong, 
ovary; flowers 2-3 in. diam, ; lateral sepals ovate-oblong, subacu " column nar- 
side lobes triangular, obtuse or subacute; midlobe produced, obovate ; 
rowly winged, subclavate. 
d sheathed 
e dentiow a 
2. I. malabarica, Hook. f.; midlobe of lip emarginate ye, : 
disk with 5 serrated lamelle. Pachystoma malabaricum, 
Walp. Ann. vi. 462. 
MALABAR, Jerdon. species from 
I do not know this plant. Wight (Ic. v. 8) says that he has find it im 
the Malabar Ghats, which he has not examined. I do no 
Herbarium. te 
. &ciangular-0V? 
3. I?. Wrayana, Hook. f.; flowers claret-cold., lip trtang 
acute with 3 narrow lamella. 
