Listrostachys.'] 
ORCHiDEiE. (S. Moore). 
355 
ovoid ; caudicles linear, tapering slightly into an ovate gland ; lobes of 
rostellum directed vertically upwards. 
Rodriguez, Balfour ! Endemic. 
4. L. parviflora, S. Moore. Leaves linear or lanceolate, submem- 
branous, about 2 in. long, in. broad, imbricate on a very short, 
subterete stem. Racemes 2f-3 in. long, wiry, ascending from the base 
of the stem, with 4* or 5 scattered, sheathing scales below the flowers ; 
bracts broad, in. long; flowers in. diam., scattered; pedicels 
patent, together with the ovary \ in. in length. Lateral sepals oblong, 
in. long ; upper sepal and petals broader and shorter. Labellum 
ovate, flat ; mid-lobe a little longer and broader than the oblong obtuse 
lateral ones ; spur slender, dilated above and below, \ in. long. Pollen- 
masses ovoid ; gland oblong ; rostellum of 2 linear decurrent lobes. 
Angrsecum parviflorum, Thouars, Orch. Afr. t. 60 ; Rich. Orch . Maur. 
70. (Eceoclades parviflora, Lindl. Gen. and Sp. Orch. 236. 
Mauritius ; the Pouce, Peter Both, and Plaines-Wilhelms, Bojer ! Grey ! 
Endemic. 
18. ANGRJECUM, Thouars. 
Sepals and petals subequal, usually spreading Labellum entire, free 
from the column, similar to the other perianth-segments or larger than 
them, with a usually long, slender, straight or curved spur. Column 
erect, very short, with an auricle on each side ; anther with a mem- 
branous appendage in front ; pollen-masses 2, fixed on the shoulders 
of a single caudicle ; gland oblong or ovoid ; rostellum of two broad, 
lateral lobes.— Caulescent or subscapigerous (occasionally leafless) 
epiphytes, without pseudobulbs, but with n umerous stout aerial roots. 
Leaves coriaceous, imbricate or scattered, with persistent stem-sheathing 
bases. Flowers axillary, solitary or in erect or pendulous racemes or 
panicles, usually white or greenish. Distrib. A genus of many 
species, native for the most part of Africa and the neighbouring islands, 
and very sparsely represented in the New World. 
Leaves broad, thick and fleshy, more than one foot long. 
Flowers 2\ inches diam. Labellum much larger than 
the sepals and petals ; spur 24 inches long .... 1. A. eburneum. 
Leaves usually oblong or linear, never more than 8 inches 
long (except in A. gracile ). Flowers under 1 inch 
diam. Labellum more or less like the sepals and petals ; 
spur never more than 4 inch in length. 
Racemes few or many-flowered, never more than 5)inches 
long (except in A. gracile'). 
Stem 1 foot high, leafless below. Leaves 8 inches long. 
Flowers 1 inch diam 2. A. palmieorme. 
Stem short, sometimes almost absent. 
Leaves lorate, 4 foot long. Racemes several-flowered. 
Flowers f inch diam. ; spur obtuse, 4 inch in 
length 3. A. striatum. 
2 a2 
