356 ORCHiDEiE. (S. Moore). [Angracum. 
Leaves linear-oblong, 2-3| inches long. Racemes 
several-flowered. Flowers l in. diam.; spur 
inch long 4. A. caulescens. 
Leaves narrow-linear, 1-2 inches long. Racemes 
2-flowered. Flowers £ inch diam. ; spur inch 
in length 5. A. parvulum. 
Leaves lorate, nearly 1 foot long. Racemes about 
as long as the leaves. Flowers numerous, £ inch 
diam. ; spur in. in length 6. A. gracile. 
Flowers solitary on axillary peduncles. 
Leaves lorate, emarginate, 3-4 inches long. La- 
bellum lanceolate ; spur straight, -J inch in 
length 7. A. triquetrum. 
Leaves linear-falcate, obtuse, 2|-3^ inches long. 
Labellum oblong-ovate ; spur recurved, ^ in. 
long 8. A. INAPERTUM. 
Leaves oblong, emarginate, | inch long. Labellum 
broadly ovate ; spur almost straight, a inch 
in length 9. A. cucullatum. 
Leafless. Flowers minute, in short dense racemes . . . 10. A. aphyllum. 
1. A. eburneunij Thouars, Orch. Afr. t. 65. Leaves oblanceolate- 
lorate, obliquely emarginate, more than 1 foot long, \\ in. or more 
broad, imbricate on a stout stem. Racemes erect, about as long as 
tbe leaves, laxly flowered, clothed with numerous large, scattered, 
sheathing scales ; bracts broad, sheathing the pedicel, 1 in. in length ; 
flowers about 2| io. diam. Sepals and petals linear-lanceolate, acu- 
minate, 1~2 in. long, reflexed, green. Labellum cordate-rotundate, cuspi- 
date, nearly If in. long, with a median lanceolate plate at its base, white ; 
spur slender, 2f in. in length, parallel with, then almost at right angles 
to, the column, green ; lobes of rostellum broad, obtuse. Rich. Orch • 
Maur. 71 ; Lindl. Gen. and Sp. Orch. 245 ; Rchb.f. in Walp . Ann. vi. 904. 
A. virens, Lindl. Rot. Reg. 1847, sub . t. 19 ; Paxt. FI. Gard. i. 25. Limo- 
dorum eburneum Bory, Voyage , t. 19. 
Seychelles, Home! Wright / Also Bourbon, and perhaps Johanna Island. 
2. A. palmiforme^ Thouars , Orch. Afr. ft. 68 and 69. Stems 1 
foot high, stout, erect, somewhat laterally compressed. Leaves lorate, 
emarginate, about 8 in. long, imbricate at the top of the stem. Racemes 
8-9 in. in length, arising just below the leaf-crown from the axils of 
dead leaves and making a right angle with the stem ; bracts ample ; 
flowers about 1 in. diam. ; pedicel and ovary f in. long. Sepals 
lanceolate, acuminate, about 1 in. in length, the lateral ones directed 
forwards parallel to the labellum. Petals narrower and shorter than 
the sepals, spreading. Labellum ovate-lanceolate, obscurely 3-lobed, 
f in. long ; spur clavate, f in. in length. Rich. Orch. Maur. 72, t. 10, 
f. 1 ; Lindl . Gen. and iSp. Orch. 246. 
Mauritius, near Creve-cceur, and declivities at N ouvelle Decouverte, JBojer. I 
have seen no specimen. 
3. A. striatum, Thouars , Orch. Afr. t. 72. Stems very short, 
giving off numerous thick branching aerial roots below. Leaves imbri- 
