Mystacidium.] cxxxiii. ORCHiDEiE (rolfe). 173 



keeled in the upper half, 3-3 J lin. long; spur narrow at the base, 

 suddenly clavate or fusiform-clavate above the middle, 5J-7 lin. long. 

 Column very stout, 1 lin. long ; poUinia with short, slender stipites, and 

 distinct, oblong glands. — Listrostachys clavata, E-endle in Journ. Bot. 

 1895, 251. Angrcecum monodon, Lindl. in Journ. Linn. Soc. vi. 135 

 (not elsewhere). 



Upper Guinea* Sierra Leone : near Bafodeya, Scoff- EUiot,6565 ! Lagos : Forest 

 between Otta and Abeokuta, Barter, 3352 ! Lower Niger : Onitsa, Barfer, 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, f in. long, 1 J-- 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 oboyal, 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, afiixed to the arms of 

 the rostellum, emarginate in front. — Angrcecum Schurnunni, Kranzl. in 

 Mitth. Deutsch. Schutzgeb. ii. (1889) 159. 



Upper Guinea. Cameroons, Braun. 



A miniature species only known to me from the original description. 



12. M. xanthopollinitim, Durand d- Schinz, Conspect. Fl. Afr. 

 v. 55. Plant caulescent. Stem stout, climbing, sometimes branched, 

 with long, aerial roots. Leaves linear or oblong-linear, 2|— o in. long, 

 2|-3i lin. broad : apex very unequally and obtusely bilobed. Kacemes 

 axillary, slender, 3-4 in. long, many-flowered. Bracts ochreate, '\—\ lin. 

 long ; apex broadly triangular, apiculate. Pedicels minutely punctulate, 

 IJ-lJ lin. long. Sepals oblong or ovate-oblong, obtuse, punctulate 

 outside, \\ lin. long. Petals subequal, broader than the sepals. Lip 

 broadly flabellate or transversely oblong, repand or obscurely trilobed 

 in front, 2-2J lin. long; spur cylindrical, slightly curved, 3 lin. long. 

 Column stout, J 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. — Aeranthus xanthopollinius, Reichb. f. in Flora, 

 1865, 190. Aeranthus erythropollinius, Reichb. f., 1. c. 190. Mystuci- 

 dium erythropoUinium, Durand & Schinz, Conspect. Fl. Afr. v. 52. 



Ijower Guinea. Angola : Pungo Andongo ; in primaeval woods of Mata de 

 Pungo and Cabondo, Weltoitsch, 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 dj 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 



