Mi/stacidium.] cxxxiii. ORCHiDEiE (rolfe). 171 



acuminate, 1-1 J in. long. Lip triangular-lanceolate, acuminate, some- 

 what reflexed at the sides above the base, 1-1^ in, long ; spur filiform, 

 elongated, G-7 in. long. Column stout, 3 J lin. long. 



Upper Guinea. Lagos, Milieu, 188 ! 



A very distinct species cliaracterised by its long slender spur. 



4. M. Kenise, Rolfe. Roots very dense, mostly simple. Stem 

 2-edged, elongated, about 1 ft. long. Leaves somewhat remote, equitant, 

 narrowly lancet-shaped, acute, half as long as the internodes, 1^-2 in. 

 long, 1 lin. broad. Flowers solitary or in numerous few-flowered racemes, 

 distinctly shorter than the leaves. Bracts very minute, triangular. 

 Pedicels curved or twisted. Flowers 8 lin. long. Sepals lanceolate, 

 acuminate. Petals very similar to, but a little narrower than the 

 sepals. Lip very similar to the petals but a little shorter ; spur fili- 

 form, four times as long as the pedicel, 6 in. long. Column very short. 

 Capsule J in. long, 4 lin. broad, — Angrcecum Keniw, Kranzl. in Engl. 

 Jahrb. xvii. oil. 



Wile Xiaud. British East Africa : Ndoro, at the foot of Mt. Kenia, Hohnel, 24. 

 Only known to me from the original description. 



5. M. Gravenreuthiiy Rolfe. Stems short, rooting; apex only 

 leafy. Leaves oblong-lanceolate, 6 J in. long, \ in. or more broad \ 

 apex unequal, the longer side acute. Racemes slender, pendulous, 

 longer than the leaves, few-flowered, with a few bract-like sheaths at 

 the base. Bracts ovate, acute, one-fifth as'long as the pedicels. Flowers 

 white, 2-2 J in, diam. ; spur pale pink, 3 in. long. Sepals, petals, and 

 lip ovate-lanceolate, very acuminate, radiating ; spur filiform, very 

 slender, nearly three times longer than the lip ; apex very slightly 

 bilobed, incurved. Column rather long ; anther apiculate ; rostellum 

 triangular, acute, deflexed ; stipites linear; poUinia ovoid, sulcate. 

 Capsule nearly fusiform. — Aeranthus Gravenreuthii, Kranzl. in Engl. 

 Jahrb. xvii, G2, 



Upper Guinea. Cameroons : in the primaeval forest, west of Buea, 6200 ft,, 

 Preuss, 891. 



Only known to me i'rom the original description, 



(), M. verrucosum, Rolfe. Plant slender, with verrucose roots 

 and sheaths. Stems branched at the base, 4-7 in. long; branches 

 ascending, slightly zigzag. Leaves ligulate, 2-2h in. long, '2\--^ lin. 

 broad, unequal and slightly bifid at the apex. Racemes axillary, 

 2-flowered, longer than the leaves, very slender, perforating the leaf- 

 sheath, bearing two sheaths at the base. Bracts two, broadly ovate, 

 chestnut-brown, '2-'2^ in. long. Pedicels slender, G-7 lin. long. 

 Flowers delicate in texture. Sepals long, caudate from a lanceolate 

 base, 13 J lin. long. Petals ovate, subhastate at the base, produced into 

 filiform tails, 11 lin. long, 1\ lin. broad. Lip orbicular-ovate, (J lin. 

 long, 4 lin. broad; apex rather thick, abruptly acute or acuminate; 

 spur straight, continuous with the lip, 2 in. long. Column short. 



