142 CXXXIII. ORCHIDE® (ROLFE). [Angræcum. 
the apex, a little longer than the ovary. Column stout; gland large, 
triangular; stipes simple, linear ; rostellum bipartite. 
Lower Guinea. Angola: Malange, on a tree, Mechow, 361. 
Only known to me from the original description. 
22. A. dives, Rolfe. Stem short and stout. Leaves linear-oblong, 
obtuse, a little narrowed below, 4-64 in. long, 6—9 lin. broad. Racemes 
numerous, erect, somewhat curved, 5-7 in. long, many-flowered. Bracts 
broadly ovate from a tubular base, acute, 1ł—13 lin. long. Pedicels 
14-2 lin. long. Sepals and petals ovate-lanceolate, acute, 2 lin. long. 
Lip sessile, broadly cucullate-ovate, acuminate and somewhat reflexed 
above, 2 lin. long; spur subsaccate-oblong, obtuse, 1 lin. long. Column 
very stout, 4 lin. long. 
Nile Land. British East Africa: Mombasa, Kirk! Wakefield! 
Mozamb. Dist. German East Africa: Kilimanjaro, cultivated specimen ! 
A very distinct species. The racemes are often borne two or three together from 
each leaf-axil. 
23. A. occidentale, Rolfe. Plant very dwarf; stem scarcely 4 in. 
high. Leaves 4, linear-falcate, ensiform, unequally bilobed at the apex, 
obtuse, 14-3} in. long, 2} lin. broad. Peduncles filiform, pendulous, 
few to 8-flowered. Bracts very minute. Dorsal sepal ovate-triangular, 
cucullate ; lateral linear, obtuse, much longer than the dorsal. Petals 
ovate, acute. Lip channelled at the base, deeply 3-lobed to the middle ; 
segments narrow, more or less cartilaginous and contracted at the apex ; 
spur incurved, shorter than the lip, bullate at the apex. Column short; 
anther flat, produced at the apex; rostellum rostrate.—Saccolabiwm 
occidentale, Kränzl. in Engl. Jahrb. xvii. 57. 
Upper Guinea. Cameroons: West of Buea, in the primeval forests, 4000 ft., 
Preuss, 965. 
Only known to me from the original description, but said to have the habit of 
the Madagascar species A. parviflorum, Thou. ( Eceocladus parviflora, Lindl.), with a 
pendulous raceme. 
24. A. christyanum, Beicht f. in Gard. Chron. 1880, xiii. 806- 
Leaves ligulate, approximate, nearly 3 in. long, 3 in. broad, broadest at 
the base, “ with a 2-angled unequal apex.” Peduncles numerous, $—j in- 
long, very flexuous, 3—4-flowered. Pedicels articulate at the base. Sepals 
and petals triangular, acute. Lip trilobed, much developed, “ extending 
into a retrorse conical spur, which has appended ata right angle another 
inflated fusiform spur, separated from the superior part by a constricted 
mouth ” (Reichenbach). 
Habitat not stated, but believed to be West Africa. 
Only known to me from the original description, but said to resemble Listro- 
stachys arcuata, Reichb. f., in general aspect and dimensions, and to differ in having 3 
single stipes and smaller rhachis and flowers. 
25. A. Ellisii, Reichb. f. in Flora, 1872, 278. Stem caulescent, 
several inches high. Leaves obovate-oblong, bidentate, 4-8 in. long, 
1-2} in. broad. Racemes pendulous, 1-2 ft. long, many-flowered- 
