8G cxxxiii. ORCHiDEiE (rolfe). [LissocMlus, 



Port Lokko, Scoft-JSlHotf, 5744! near Tawia, Scott-Elliot, 4472 ! and withont ^re- 

 c\%e \oc3\\iy, Afzelins ! cultivated specimens, i2«c^er ' Lagos: in a mangrove swamp, 

 Moloney ! Millen, 170 ! 171 1 Oye and Ado Kiver, in damp situations, Millen, 99 1 

 "W^estern Lagos, Sotvland ! Niger Territory : without locality, Barter, 80 ! Nupe ; 

 margin of a swampy ravine. Barter, 1481 ! side of a rivulet near Sare, Barter, 3429 ! 

 Cameroons : Efulen, Bates, 452 ! 



39. L. Ephippiliun, Reichb. /. in Flm-a, 1882, 533. Sepals 

 oblong-ligulate, acute. Petals oval -elliptical, large. Lip trilobed; 

 side lobes obtuse-angled ; front lobe oblong, subobtuse, undulate ; disc 

 with a pair of semicircular calli, with a keel between, and 3 dwarf 

 thickened keels extending nearly to the apex ; spur conical, rather 

 short, retrorse. 



"Western Tropical AArlca. Without locality or name of collector. 

 Only known to me from the original imperfect description, but said to be allied to 

 L. roseus, Lindl. 



40. I*. Alexandri, Reichh.f. in Flora, 1882, 532. Lip broadly 

 trilobed at the middle, undulate ; disc with a dwarf callus in front of 

 the spur, and 3 high, undulate keels extending nearly to the apex, the 

 lateral ones 2-armed in front ; spur conical, acute, curved, retrorse. 

 Anther apiculate, bidentate. — Kranzl. in Engl. Jahrb. vii. 440. 



iMO-wer Guinea. Lower Congo : in the mouth of the river, near Shark Point, 

 Nanmann, 159. Angola : Malange, Mechow, 366. 



Only known to me from the original very imperfect description, but said to be 

 allied to L. roseus, Lindl. 



41 . la. Nyasse^ Rolfe. Scapes tall, base not seen ; racemes 1 ft. long, 

 many-flowered. Bracts ovate or ovate-oblong, 9-10 lin. long. Pedicels 

 10-12 lin. long. Sepals ovate, subobtuse, 6 lin. or more long. Petals 

 suborbicular or obovat.e-orbicular, retuse, 12-13 lin. long. Lip obscurely 

 trilobed, broadly suborbicular-ovate, obtuse, 13-14 lin. long; disc with 

 5 very high, narrow, slightly crenulate lamellae, two of which extend 

 behind almost into the spur, there becoming taller and almost semi- 

 circular ; spur broadly conical, 4-5 lin. long, with a narrow apex, foot 

 weU developed. Column clavate, 7-8 lin. long. 



nxozamb. Sist. British Central Africa : Nyasaland, Buchanan, 1066 ! 

 The specimen is in poor condition. 



42. I«. macranthus, Lindl. Gen. d- Sp. Orch. 101. Racemes 9-12 

 in. long, many-flowered ; base of scape not seen. Bracts ovate-oblong 

 or obovate-oblong, obtuse or apiculate, concave, f-1 in. long. Pedicels 

 1\ in. long. Sepals oblong-lanceolate, subacute, 7-8 lin. long. Petals 

 broadly elliptical, 12-14 lin. long. Lip trilobed, 1-1 :j in. long; side 

 lobes broadly rounded ; front lobe quadrate-suborbicular, obtuse or 

 apiculate, undulate; disc with 3 high, narrow, crenulate keels about 

 the middle ; spur 5-6 lin. long, with a broadly conical, obtuse base, and 

 a narrowed, attenuate, acute apex. Column clavate, 6 lin. long. 



"Upper Guineao Niger Delta : Bonny, Shepherd, 6 ! 



