74 CXXXIII. ORCHIDEÆ (ROLFE). [ Lissochilus. 
Front lobe of lip with strong 
crenulate keels . : , 77. L. Kmithii. 
Front lobe of lip with slightly 
thickened smooth keels . 78. L. Johnstoni, 
Front lobe of lip convex or slightly 
gibbous. 
Front lobe of lip longer than the 
spur . e S . S 
Front lobe of lip equalling or shorter 
than the spur. 
Sepals broadly ovate e . 80. LZ. monticolus, 
Sepals oblong or ovate-oblong. 
Narrowed apex of spur 14 lin, 
79. L. Thomsoni, 
long . S Š . 81. L. Krenzlinii. 
Narrowed apex of spur 2-24 
lin.dong ; . 82. L. milanjianus. 
Sepals obtuse S . 83. L. saccatus. 
1. L. parvulus, Rendle in Journ. Bot. 1895, 196. Scapes 1 ft. or 
more high, with several basal sheaths; racemes 4—6 in. long, lax. 
Bracts lanceolate, acuminate, 2—4 lin. long. Pedicels 4 lin. long. 
Sepals ovate-oblong, acute, 2 lin. long. Petals ovate, acute, 2 lin. 
long. Lip trilobed, 2 lin. long; side lobes auriculate, somewhat round ; 
front lobe elliptical-oblong, crenulate; dise with 5, thickened, obscurely 
verrucose nerves; spur conical, 3—1 lin. long. Column stout, 14 lin. 
long. 
Wile Land. British East Africa: Kavirondo; Samia, on open dry laterite, 
Scott-Elliot, 7081 ! 
2. L. pyrophilus, Keichb. f. Otia Bot. Hamb. i. 65, Rhizome 
stout. Leaves not seen. Scapes 14 ft. high, with several loose 
basal sheaths; racemes 6-10 in. long, laxly many-flowered. Bracts 
lanceolate, acute, 14-3 lin. long. Pedicels 5-6 lin. long. Flowers 
brown. Sepals oblong, apiculate, 2}-3 lin. long. Petals ovate or 
ovate-oblong, subobtuse, 8 lin. long. Lip trilobed, 24 lin. long ; 
side lobes semiovate-oblong or suborbicular-oblong, obtuse; front 
lobe suborbicular-ovate, obtuse, obscurely crenulate; disc with 5 
thickened, obscurely crenulate nerves, the lateral ones confluent in 
ag ` spur conical, oblong, 1 lin. long. Column stout, 14 lin. 
ong. 
Nile Land. British East Africa: Mittuland, near Kuraggera, Schweinfurth, 
2795! 
3. L. microceras, Reichb. f. Otia Bot. Hamb. ii. 115. Leaves 
elongate-linear, acuminate, 12—14 in. long. Scapes 3—14 ft. high, with 
about 3 short sheaths below; racemes 6-7 in. long, many-flowere¢- 
Bracts lanceolate, acuminate, 3-6 lin. long. Pedicels 5-8 lin. long. 
Sepals oblong, acute, 3 lin. long. Petals broadly elliptical, obtuse, 3-34 
lin. long. Lip trilobed, 34 lin. long ; side lobes roundish-oblong, apicu- 
late ; front lobe suborbicular-oblong, obtuse, crenulate; disc flat, with 
