Mystacidium.] CXXXIII. ORCHIDEÆ (ROLFE). 173 
keeled in the upper half, 3-34 lin. long; spur narrow at the base, 
suddenly clavate or fusiform-clavate above the middle, 54-7 lin. long. 
Column very stout, 1 lin. long; pollinia with short, slender stipites, and 
distinct, oblong glands.—Listrostachys clavata, Rendle in Journ. Bot. 
1895, 251. Angrecum monodon, Lindl. in Journ. Linn. Soc. vi. 135 
(not elsewhere). 
Upper Guinea. Sierra Leone: near Bafodeya, Scott-Elliot,5555! Lagos: Forest 
between Otta and Abeokuta, Barter, 3352! Lower Niger: Onitsa, Barter, 477! 
11. M. Schumanni, Rolfe. Plant dwarf, branched at the base, 
4 in. high. Roots numerous. Stem curved, ascending. Leaves dense, 
linear, unequal at the apex, obtuse, recurved, ? in. long, 14—2 lin. broad. 
Inflorescence 2-flowered, a third as long as the leaves. Bracts pellucid, 
ovate, obtuse. Flowers smaller than in M. distichum, Benth. Sepals 
and petals oboval, obtuse. Lip cochleate, entire, obtuse. Spur obtuse, 
subclavate, slightly shorter than the lip and much shorter than the 
pedicels. Column short, stout; anther flat; rostellum trilobed, side 
lobes inflexed on the sides of the stigma, front lobe much shorter, 
deflexed. Pollinia globose; glands very large, affixed to the arms of 
the rostellum, emarginate in front.—Angrecwm Schumanni, Kränz), in 
Mitth. Deutsch, Schutzgeb. ii. (1889) 159. 
Upper Guinea. Cameroons, Braun. 
A miniature species only known to me from the original description. 
12. M. xanthopollinium, Durand & Schinz, Conspect. Fl. Afr. 
v. 55. Plant caulescent. Stem stout, climbing, sometimes branched, 
with long, aerial roots. Leaves linear or oblong-linear, 24-3 in. long, 
23-3} lin, broad: apex very unequally and obtusely bilobed. Racemes 
axillary, slender, 3—4 in. long, many-flowered. Bracts ochreate, 3—1 lin. 
long; apex broadly triangular, apiculate. Pedicels minutely punctulate, 
14-1} lin. long. Sepals oblong or ovate-oblong, obtuse, punctulate 
outside, 14 lin. long. Petals subequal, broader than the sepals. Lip 
broadly flabellate or transversely oblong, repand or obscurely trilobed 
in front, 2-21 lin. long; spur cylindrical, slightly curved, 3 lin. long. 
Column stout, $ lin. long ; rostellum beak-like, linear, nearly as long as 
the column ; pollen with distinct stipites and glands, on either side of 
the rostellum, yellow.—Aéranthus xanthopollinius, Reichb. f. in Flora, 
1865, 190. <Aéranthus erythropollinius, Reichb. f., 1l. c. 190. Mystaci- 
dium erythropollinium, Durand & Schinz, Conspect. Fl. Afr. v. 52. 
Lower Guinea. Angola: Pungo Andongo; in primeval woods of Mata de 
Pungo and Cabondo, Welwitsch, 678! Golungo Alto; in woods along the Cuango 
Rivulet, Welwitsch, 665! 
: Reichenbach originally divided this into two species, but I fail to find a single 
distinguishing character, 
13. M. rutilum, Durand & Schinz, Conspect. Fl. Afr. v. 54. 
Leaves oblong-ligulate ; apex unequally and obtusely bilobed. Racemes 
elongate, dense-flowered. Bracts retuse, very short. Flowers reddish ; 
petals and lip yellowish-white. Sepals oblong, obtuse. Petals slightly 
