74 cxxxiii. ORCHiDEiE (rolfe). [LissockUus, 



Front lobe of lip with strong 



crenulate keels . . . 77. JO. Smitkii. 



Front lobe of Up with slightly 



thickened smooth keels . 78. L. Johnstoni, 



Front lobe of lip convex or slightly 

 gibbous. 

 Front lobe of lip longer than the 



spur ..... 79. L. Thmnsoni. 

 Front lobe of lip equalling or shorter 

 than the spur. 

 Sepals broadly ovate . . 80. L. monticolns. 



Sepals oblong or ovate-oblong. 

 Narrowed apex of spur 1^ lin. 



long . . . . 81. X. Krcenzlinii. 



Narrowed apex of spur 2-2^ 



- lin. long . . . 82. L. milanjiumts. 

 Sepals obtuse 83, Z. saccatvs. 



1. Ij. parvuluSy Rendle in Journ. Bot. 1895, 196. Scapes 1 ft. or 

 more high, with several basal sheaths; racemes 4-6 in. long, lax. 

 Braces 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; disc with 5, thickened, obscurely 

 verrucose nerves ; spur conical, |-1 lin. long. Column stout, IJ lin. 

 long. 



srile Kand. British East Africa : Kavirondo ; Saraia, on open dry laterite^ 

 Scoft-EUiot, 7081 ! 



2. Ii. pyrophilus, Reichh. f. Otia Bot. Hamh. i. 65. Rhizome 

 stout. Leaves not seen. Scapes 1| ft. high, with several loose 

 basal sheaths; racemes 6-10 in. long, laxly many-flowered. Bracts 

 lanceolate, acute, l^-o lin. long. Pedicels 5-6 lin. long. Flowers- 

 blown. Sepals oblong, apiculate, 2J-3 lin. long. Petals ovate or 

 ovate- oblong, subobtuse, 3 lin. long. Lip trilobed, 2 J lin. long; 

 side lobes semiovate-oblong or suborbicular-obloDg, obtuse; front 

 lobe suborbicular-ovate, obtuse, obscurely crenulate; disc with r> 

 thickened, obscurely crenulate nerves, the lateral ones confluent in 

 pairs ; spur conical, oblong, 1 hn. long. Column stout, \h lin. 

 long. 



Wile Iiand. British East Africa : Mittuland, near Kuraggera, Schweinfurth, 

 2795! 



3. L. microceras, Reichh. f. Otia Bot. Hamh. ii. 115. Leaves 

 elongate-linear, acuminate, 12-14 in. long. Scapes |-1J ft. high, with 

 about 3 short sheaths below; racemes 6-7 in. long, many-flowered. 

 Bracts lanceolate, acuminate, 3-6 lin. long. Pedicels 5-8 lin. long. 

 Sepals oblong, acute, 3 lin. long. Petals broadly elliptical, obtuse, 3-3;^ 

 lin. long. Lip trilobed, 3 J lin. long; side lobes roundish-oblong, apicu- 

 late ; front lobe suborbicular-oblong, obtuse, crenulate ; disc flat, with 



