226 CXXXIII. ORCHIDE (ROLFE). [Habenaria. 
lobe, 2 lin. long. Rostellum with front lobe obsolete.—Kränzl. in 
Engl. Jahrb. xvi. 190. 
Upper Guinea. Cameroon Mountains, 5000-9000 ft., Mann, 2119! Johnston, 
87! Preuss, 892 (ex Kränzlin). 
43. H. calva, Rolfe. Tuber ovate-oblong, 8 lin. long, 5 lin. broad. 
Leaves 2, basal, horizontal, suborbicular or broadly ovate-orbicular, 
14-1? in. long, 1}-2 in. broad. Scapes about 1 ft. high, with numerous 
triangular-lanceolate, acuminate, bract-like sheaths. Bracts narrowly 
ovate-lanceolate, acuminate, 4-7 lin. long. Pedicels 5-7 lin. long. 
Dorsal sepal ovate, acute, 24 lin. long; lateral obliquely ovate-oblong, 
with curved, acuminate apex, 3 lin. long. Petals bipartite; posterior 
lobe falcate-lanceolate, subobtuse, 2 lin. long; anterior lobe falcate- 
linear, 1? lin. long. Lip tripartite, with short entire base; lobes 
linear ; side lobes 23 lin. long, somewhat divaricate ; front lobe 3} lin. 
long; spur clavate, 5-6 lin. long. Stigmatic processes subclavate- 
linear, 14 lin. long. Anther channels free from the side lobes of the 
rostellum, and each about 14 lin. long; middle lobe of the rostellum 
very minute, tooth-like.—H. dregeana, var. calva, Reichb. f. in Flora, 
1865, 179. H. dregeana, Kriinzl. in Engl. Jahrb. xvi. 149, in part 
(not Lindl.). 
Lower Guinea. Angola: Huilla; between Monino and Lake Ivantala, in 
shady woods, very rare, Welwitsch, 732! 
44. H. stylites, Reichb. f. d S. Moore in Journ. Bot. 1878, 136. 
Plant 1}-1} ft. high. Leaves 2, radical, spreading, apparently 
appressed to the ground, very broadly ovate-orbicular, obtuse, sessile, 
24-3 in. broad. Scapes with several small, lanceolate, acuminate bracts. 
Racemes 24—44 in. long, many-flowered. Bracts lanceolate, acuminate, 
4-7 lin. long. Pedicels 10-12 lin. long. Flowers white with yellow 
petals. Dorsal sepal elliptical, subobtuse, cucullate, 44-5 lin. long; 
lateral elliptic-oblong, subobtuse, 6-64 lin. long. Petals bipartite; 
posterior lobe lanceolate, subobtuse, 44 lin. long; anterior lobe linear, 
subobtuse, as long as, but only half as broad as, the posterior. Lip 
6-7 lin. long, trilobed for three-quarters its length; side lobes lanceo- 
late-linear, subobtuse ; front lobe subspathulate-lanceolate, subobtuse ; 
spur cylindrical, 14-2in.long. Stigmatic processes clavate-capitate, ? lin. 
long. Anther channels slender, 1-1} lin. long. Rostellum triangular, 
subulate, 14 lin. long.—Kriinzl. in Engl. Jahrb. xvi. 77. 
Nile Land. British East Africa: Nyika country, at Duruma, near Mombasa, 
Wakefield! 
Mozamb. Dist. German East Africa: Lower slopes of Mount Kilimanjaro, 
2000-3000 ft., Johnston ! 
45. H. Mechowii, Reichb. f. in Flora, 1882, 532. Leaves 2-3, 
basal, nearly orbicular, acute, 34 in. long, 4} in. broad. Stem 2-3} ft. 
long, clothed up to the raceme with large, broadly oval, acute sheaths. 
Racemes few- and distant-flowered. Bracts large, oval, acute, 2-24 in. 
