82 cxxxiii. ORCHIDE.E (rolfe). [LissochUits . 



28. L. mediocris, Rendle in Journ. Bot. 1895, 193. Scapes 2J ft. 

 or more high, with a few sheaths; racemes lax (imperfect). Bracts 

 oblong-lanceolate, acute, 7 lin. long. Pedicels 1 lin. long. Sepals 

 oblong-lanceolate, acute or apiculate, somewhat curved at the apex, 

 9-11 lin. long. Petals obovate-oblong, obtuse or apiculate, 9-11. lin. 

 long. Lip subpandurate-oblong, obtuse, 10-11 lin. long, slightly un- 

 dulate, cordate-auriculate at the base ; disc with a pair of tall, narrow, 

 suborbicular lamellae in front of the spur, passing into very slightly 

 thickened nerves ; spur conical, subobtuse, 2^ lin. long. Column 

 clavate, 5 lin. long. 



urUe Z«and. British East Africa : Kavirondo, at Samia, 4000 ft., Scott-Elliot, 

 7128! 



29. Is. arenarius, Lindl. in Journ. Linn. Soc. vi. 133. Rhizome 

 stout, flattened. Leaves linear or lanceolate-linear, acute, 1-1 J ft. 

 long, 4-6 lin. broad. Scapes 2-3| ft. high, with several long sheaths 

 below ; racemes 4-8 in. long, 6-10-flowered. Bracts linear-lanceolate, 

 acuminate, J-lJ in. long, j-1 lin. broad. Pedicels |-1 in. long. 

 Flowers usually borne in advance of the leaves, purple, with dusky or 

 olivaceous sepals, and some yellow inside the spur. Sepals triangular- 

 lanceolate, acute or acuminate, 8-15 lin. long. Petals broadly elliptical 

 or suborbicular, 8-15 lin. long. Lip broadly pandurate, 10-15 lin. 

 long ; side lobes broadly rounded ; front lobe very broad, truncate or 

 emarginate ; disc with a pair of quadrate, oblong-obovate or transversely 

 oblong calli in front of the spur, and the median nerve more or less 

 thickened and crenulate, sometimes distinctly keeled ; spur saccate, 

 obtuse, 3-5 lin. long. Column clavate, 5-8 lin. long. — Keichb. f. Otia 

 Bot. Hamb. i. 61; ii. 75; N. E. Br. in Gard. Chron. 1885, xxiv. 

 307. Eulophia arenaria, Bolus in Journ. Linn. Soc, xxv. 185. Limo- 

 doinim (Mcullatum^ Afzel. ex. Sw. in Yet. Acad. Handl. Stockh. 1800, 

 243 (name only) ; Pers. Syn. PI. ii. 521. 



Upper Guinea. Sierra Leone : Falaba, on bare ground, lately burnt, Scott' 

 Elliott, 5144 ! and without precise locality, Afzelius ! Yoruba, Millson, 23 ! Niger 

 Territory : Nupe, savannahs in a sandy soil, Barter, 1488 ! without locality, Baikie ! 



Iiower Guinea T Upper Congo, ByhowsJci ! 



Ifflle £and. British East Africa : Jur, Schweinfurth, 1864 ! Mombasa, 

 Hildehrandt, 1950 ! Rabai Hills, near Mombasa, Taylor ! Nyika country, near 

 Mombasa, Wakefield ! E. side of Albert Edward Nyanza, on dry grassy hills at 

 4000-5000 it., Scott-Elliot, 8032 ! Lake Albert Nyanza ; Unyoro, in grassy jungle, 

 Wilson, 38 ! 



IWIozanit). 3>ist. Zanzibar, Kirk ! German East Africa : Uyui, Taylor ! 

 Kilimanjaro, 5000-6000 ft., Taylor ! below Marangu, 3900 ft., Volkens, 2115 ! 

 Msalala, Eannington ! Portuguese East Africa : Zambesi District ; Shupanga, Kirk ! 

 Metier ! near Morambala, Kirk ! Zambesi Delta ; Kongoni River, Kirk ! British 

 Central Africa : Shire Highlands, 4000-5000 ft., Scott-Elliot, 8621 ! Mlanje, Whyte ! 

 Manganja Hills, Kirk ! North Nyasaland, Elephant Marsh in M'Kyusa's country, Scott ! 

 Kavala, Carson! Nyasaland, Buchanati ! Lake Tanganyika, Cameron! Fwambo, 

 Carson, 36 ! 



A very widely diflFused and variable species, found also in the Comoro Islands and 

 Natal. 



