Platylepis.'] cxxxiii. ORCHiDEiE (rolfe). 185 



1?^-3 lin. long, with a bigibbous, saccate base, and an oblong, cucullate 

 limb, adnate to the column for | its length, acute and recurved at the 

 .apex ; calli 2, orbicular, in the basal sac of the lip. Column 2^-3 lin. 

 long, clavate. — Bolus in Journ. Linn. Soc. xxv. 187 ; Rolfe in Bolet. 

 'Soc. Brot. ix. 142; Bolus Ic. Orch. Aust.-Afr. i. t. 11. Notiophrys 

 glcmdulosa, Lindl, in Journ. Linn. Soc. vi. 1;)8. ]\ angolensis, Durand 

 ■tt Schinz, Conspect. Fl. Afr. v. 58. Diplogastra angolensis, Welw. ex 

 Eeichb. f. in Flora, 1865, 183. 



Upper Guinea. Fernando Po, 2000 ft., Manu, 1481 ! 



Iiower Guinea. Princes Island, Barter, 1952 ! Qtnntas, 13 ! Angola : Golungo 

 Alto; River Delamboa, among palms, Welwit.sch, Q12\ 



Also found in Natal, if the Southern plant is really identical, as is generally sup- 

 .posed. 



26. MANNIELLA, Reichb. f. ; Benth. et Hook. f. Gen. 

 PI. iii. 605. 



Sepals and petals united nearly to the apex into a cylindrical tube, 

 broader and somewhat galeate at the free apex. Lip with a slender, 

 partially adnate claw, papillose above ; limb broad, concave, not longer 

 than the sepals ; margin extended on either side of the base into a 

 linear-clavate appendage, parallel to the claw. Column elongated, adnate 

 to the perianth-tube, free for a short distance above, with a pair of 

 broad, serrulate, erect, terminal lobes or wings. Anther subsessile 

 between the column wings, broad, concave, erect or somewhat incum- 

 bent ; cells distinct ; poUinia loosely granular. Stigma anticous ; ros- 

 tellum short, broad, emarginate. Capsule oblong, erect. — A rather tall, 

 terrestrial plant, with a short, simple stem, and stout, fleshy roots. 

 Leaves radical, long petiolate, ovate, membranous. Flowers small, 

 arranged in a slender spike. Bracts small and narrow. 



A remarkable West Tropical African monotype. 



1. M. Gustavi, Reichb. f. Otia Bot. Hamh. ii. 109. Plant 2-2^ ft. 

 high. Leaves 4-5, radical, long petiolate, tufted ; limb broadly ovate, 

 shortly acuminate, 2-4 1 in. long, 1-2 J in. broad ; petioles 2-6 in. long, 

 sheathing below. Scapes 2-2\ ft. long; racemes elongate, 6-12 in. 

 long, many-flowered. Bracts ovate-lanceolate, acuminate, 3-5 lin. long. 

 Pedicels 3-4 lin. long. Perianth-tube slender, 2 lin. long ; limb of the 

 dorsal sepal ovate-oblong, obtuse, 1| lin. long; lateral ovate, obtuse, 

 recurved or revolute, 1 lin. long. Limb of the petals ovate-oblong, 

 obtuse, l\ lin. long. Limb of the lip fleshy, broadly rounded or some- 

 what bilobed, 1 lin. long ; base sagittately produced into a pair of 

 linear-clavate, recurved, fleshy processes, ^ lin. long. Column united 

 to the perianth-tube nearly to its apex ; free part clavate, 1 lin. long ; 

 apex with a pair of short, obovate wings ; rostellum similar to but 

 broader than the column. 



Upper Guinea. Cameroon Mountains, 4000 ft., Mann, 1336 ! 



Iiower Guinea. Island of St. Thomas : 3000 ft., Mann, 1097 ! San Pedro, 

 3300 ft., Moller and Quintas ! Angra de S. Joao, in Angolares, 300 ft., Quinias, 1)2! 



