Habenaria. | CXXXIII. ORCHIDEE (ROLFE). 247 
deflexed, 1 in. long, 24 lin. broad. Lip tripartite ; side lobes as long as 
the anterior lobe of the petals; front lobe slightly smaller than the side 
lobes ; spur 6-6} in. long, filiform, descending not into its own bract 
but into the third or fourth below. Stigmatic processes fleshy, clavate 
near the apex, cochleate, excavate. Anther channels uncinate. Stami- 
nodes conspicuous, bi-tripartite. Rostellum narrow, acute, cucullate. 
Lower Guinea. Gaboon: Kitamba, on marshy lowlands, Soyauz. 
Only known to me from the original description. 
100. H. zenkeriana, Kränzl. in Engl. Jahrb. xix. 247. Plant very 
stout, 4 ft. or more long, 2 in. thick at the base. Leaves broadly ovate- 
oblong, obtuse, 4-44 in. long, 2} in. broad, decreasing into the bracts. 
Racemes lax. Bracts large. Pedicels 21-3 in. long. Flowers yellow- 
green, with a white lip. Dorsal sepal ovate, acute ; lateral deflexed, 
obovate-cuneate, acute, revolute after flowering. Petals bipartite ; 
posterior lobe triangular, acuminate, hidden in the dorsal sepal; anterior 
lobe 4 larger than the posterior, linear, very acuminate, 2 in. long. 
Lip trilobed or tripartite ; lobes very narrowly linear, subequal, 14 lin. 
long; spur filiform, 6-64 in. long; apex scarcely inflated. Stigmatic 
processes very strict. Anther channels a little shorter than the stigmas ; 
gland very large ; all a little shorter than the lip. 
eer Guinea. Cameroons: Yaunde, in marshy places on the plains, Zenker, 
Only known to me from the original description, which was prepared from a 
drawing, 
101. H. Walleri, Reichb. f. Otia Bot. Hamb. ii. 98. Plant tall. 
Lower leaves not seen; upper reduced, oblong-linear. Racemes with 
about four large flowers. Bracts ovate or elliptic-ovate, shortly 
acuminate, 14-1} in. long. Pedicels 3-4 in. long. Flowers white. 
Dorsal sepal ovate, cucullate, obtuse, 6 lin. long; lateral subobliquely 
elliptic-oblong, subobtuse or apiculate, 8 lin. long. Petals bipartite ; 
posterior lobe linear-lanceolate, subobtuse, appressed to the margin of 
the dorsal sepal, 6 lin. long ; anterior lobe oblong-lanceolate, subobtuse, 
6-7 lin. long. Lip trilobed ; lobes linear-oblong, subobtuse ; side lobes 
l in. long ; front lobe a little shorter than the side lobes; spur 3-4 in. 
long, slender, thickened near the apex, which is generally concealed 
Within the bract. Stigmatic processes 44-5 lin. long, dilated and 
slightly recurved at the apex. Anther channels very stout, shorter by 
l lin. than the stigmas. Rostellum triangular, acute, 2 lin. long.— 
Kranzl. in Engl. Jahrb. xvi. 92. 
_,Mozamb. Dist. British Central Africa; Nyasaland; at the foot of Mt. Mlanje, 
Kirk! Shire Highlands, near Blantyre, Last ! 
102. H. perbella, Reichd. f. Otia Bot. Hamb. ii. 98. Tuber 
ovate. Stem 20 in. high, leafy below, sheathed above. Leaves oblong, 
acute, 4—42 in. long, 1 in. broad, reduced to ovate, acute, ample sheaths 
above. Bracts large, foliaceous, not half as long as the pedicels. 
Pedicels 2} lin. long. Flowers 12-15 lin. diam. Dorsal sepal cucul- 
