354 oechide^. (S. Moore.) [ Listrostachys . 
Eacemes from the base of the stem, 3-6-flowered ; flowers 
i- in. diam.; labellum flat, 3-lobed, the lobes sub- 
equal 4. L. PARVIFLORA. 
1. Li. Pescatoriana, S. Moore. Leaves probably imbricate on a 
short thick stem, lorate, obliquely emarginate, nearly 1 foot long. 
Spikesaxillary, about 4 in. long, bearing a number of close-set, minute, 
bracteate flowers. Sepals ovate, obtuse or cuspidulate, rather more 
than T V in. long, the outer surface clothed with short, black, glandular 
hairs. Petals a little shorter and narrower than the sepals, acute, 
glabrous. Limb of labellum at right-angles to the column, nearly 
i in. long, obovate-oblong, truncate and incised at the apex, with a long 
channelled claw ; spur nearly straight, subclavate, about \ in. long. 
Pollen-masses ovoid, attached by short, foliaceous, crenulate, down- 
ward-tapering caudicles to a lunate gland. Ovary short, glandular- 
hairy ; rostellum arching upwards, entire, obtuse. Angrsecum Pes- 
catorianum, Lindl. in Journ. Hart. Soc. iv. 263. Listrostachys pertusa, 
var. Pescatoriana, Bchb.f. in Walp. Ann. vi. 909. 
Mauritius, Bouton (fide ReichenbacJi). Also Bourbon. Very near to L. pertusa , 
Rchb. f., from Sierra Leone, but specifically distinct. 
2. L. polystachys, Bchb.f. Walp. in Ann. vi. 909. Stem stout, 
terete, 3-6 in. high, here and there giving off* wiry, leaf-opposed, aerial 
roots. Leaves subimbricate, oblong, obliquely emarginate, 1-2 in. long, 
\ in. (or more) broad. Eacemes erect, leaf-opposed, rather laxly flow- 
ered, 6 in. (or more) in length, with several close, scattered, sheathing 
scales ; bracts rotundate, loose ; pedicel and ovary ± in. long. Sepals 
linear-lanceolate, acuminate, f- in. long. Petals a little shorter, linear. 
Labellum about the same length as the petals, ovate-rotundate, 3-lobed ; 
lateral lobes crenulate, convolute round the column below; mid-lobe 
narrow-linear, entire, \ in. long ; spur tapering, nearly % in. in length. 
Caudicles linear ; rostellun of two fleshy, obtuse lobes directed up- 
wards and forwards. Epidendrum polystachys, Thouars , Orch. Afr. t. 
82. Angrsecum poly stachyum, Bich. Orch. Maur. 74, t. 10,/! 2; Lindl. 
Comp. Lot. Mag. ii. 205 (not Bot. Beg. 1840, sub. t. 68). 
Mauritius ; Grand Port, La Savanne, and Plaines-Wilhelms, Bojer. Also Bour- 
bon and Madagascar. I have seen no Mauritian specimen. 
3. L. Aphrodite^ Balf.f and S. Moore. Stems erect, stout, |-1 
foot high. Leaves subimbricate, fleshy, linear oblong, obliquely emar- 
ginate, 2|-3 in. long, ± in. (or more) broad. Eacemes ascending, leaf 
opposed, nearly 5 in. long, clothed with several loose, tough, scarious, 
sheathing scales below the flowers ; bracts rotundate, £ in. long. 
Sepals lanceolate, acuminate, nearly \ in. long. Petals shorter, linear. 
Labellum ovate-rotundate, 3-lobed ; lateral lobes convolute round the 
column below, crenulate ; mid-lobe narrow-linear, entire, scarcely £ in. 
long ; spur T V in. in length, almost straight. Pollen-masses oblong- 
