144 CXXXIII. ORCHIDEE (ROLFE). [Angræcum. 
oblique and canaliculate at the base, at the apex with 2 unequal obtuse 
lobes; sheaths 2 in. long. Racemes ?-3-flowered, opposite the leaves ; 
base with 2-3 sheaths. Bracts small, ovate, acute, 24 lin. long. 
Flowers green, with upper half and margin of the lip white. Sepals 
ovate-lanceolate, acute or subacuminate, about 14 in. long. Petals 
similar to the sepals, but a little shorter. Lip nearly quadrate, with 
an abruptly acuminate recurved apex; disc with a pair of elevated, 
slightly pilose lines, extending from the base to a little beyond the 
middle, where they diverge somewhat; spur clavate, curved; base 
shortly funnel-shaped ; limb of lip and spur each about as long as the 
sepals. Column very short; rostellum furcate.—Kränzl. in Mitth. 
Deutsch. Schutzg. ii. (1889) 159; andin Reichb. f. Xen. Orch. iii. 128, 
t. 273, fig. 2. 
Upper Guinea. S. Cameroons, Braun. 
South Central. Lunda: near Kassamba, in the gorge of the Loango River 
(ex Krinzlin). 
I have not seen a specimen. 
29. A. scheellerianum, Kränzl. in Bull. Herb. Boiss. ii. App. i. 
112. Stem very long, many-leaved, with very long roots. Leaves 
linear, unequally bilobed; lobes obtuse and somewhat diverging. 
Racemes few-flowered, very flexuous, half as long as the leaves. Bracts 
minute, triangular or oblong, acuminate. Lip trilobed; side lobes well 
developed, diverging, rounded; front lobe oblong, acute; disc with 
3 to 5 elevated lines; spur conical at the base, bent at a right angle 
and slightly inflated in the middle, fusiform and obtuse at the apex. 
Column very short. 
o Land, Eritrea; near Filfil, on the Maldi-strasse, 2400 ft., Schweinfurth, 
Only known to me from the original description, in which it is said to be most 
nearly allied to the preceding. 
30. A. imbricatum, Lindl. in Journ. Linn. Soc. vi. 137. Stems 
tall, climbing, leafy. Leaves oblong or ovate-oblong, very shortly and 
obliquely bilobed, obtuse, a little broader below, 3—44 in. long, 14-1} 
in. broad. Racemes axillary subsessile, 1-1} in. long, dense, many- 
flowered, with distichous bracts and flowers. Bracts ovate, acute, 
concave, closely imbricate, 3-6 lin. long. Pedicels 5-6 lin. long. 
Sepals ovate, acute, concave; dorsal carinate, 3 lin. long. Petals 
similar and equal to the sepals. Lip oblong, apiculate, cucullate, as 
long as the sepals; spur infundibuliform at the base, recurved and sub- 
clavate at the apex, 4 lin. long. Column very short; pollinia with 
single stipes and narrow gland; rostellum rostrate.—Durand & Schinz, 
Conspect. Fl. Afr. v. 44 (intricatum). Limodorum emarginatum, 
Sw. in Vet. Acad. Handl. Stockh. 1800, 243 (name only); Pers. Syn. 
Pl. ii. 521. Calyptrochilum Preussii, Kränz), in Engl. Jahrb. xxii. 30. 
Saccolabium Barbeye, Kränzl. in Bull. Herb. Boiss. iv. 40. 
Upper Guinea. Sierra Leone, Afzelius! Bumban to Port Lokko, Scott-Elliot, 
5734! Liberia, Christy! Gold Coast, cultivated specimen! Lower Niger, Onitsa, 
