58 cxxiiic. HORACES (Rendle). [Dorstenia, 



side, curving upwards and uniting below the margin, prominent 

 beneath ; petiole 2-4 lin. long. Stipules narrowly triangular- 

 acuminate, barely 2 lin. long, caducous. Inflorescences solitary, 

 axillary ; peduncle J in. or less in length ; receptacle turbinate, 

 stellately 4-lobed, 4-5 lin. in diam., with a linear to linear-spathulate 

 bract-arm from each lobe about 8 lin. long. Male flowers 2-androus ; 

 female flower solitary, central, the exserted style dividing into 2 

 recurving ])ranches. 



Upper Guinea. Southern Nigeria : Oban, Talbot, 675 ! Camcroons : Ndo- 

 nge in dense mountain rain forest, 2700-3300 ft., Ledermann, 6229 ! 



63. D. edeensis, Emjl. in Engl. Jahrh. xlvi. 272. A shrub ; 

 internodes on branches about 10 lin. long. Leaves very shortly stalked, 

 elliptic, with a long acuminate apex and a subacute base, 4-5J in. 

 long, lJ-2 in. wide in the middle, apex f in. long, margin entire ; 

 lateral nerves 6-7 on each side, curving upwards and uniting near 

 the margin ; petiole 1 lin. long. Stipules short, elongated-triangular. 

 Peduncle about f in. long, shortly puberulous as is also the receptacle 

 with its bracts ; receptacle turbinate, 4-lobed, barely 5 lin. in diam., 

 with 4 narrowly spathulate bract-arms each 1 in. long. 



Upper Guinea. Cameroons : in rain forest at Edea, near Sende, Busgcn, 

 465. 



It is possible that this is only a form of D. Ledermannii with more elliptic 

 leaves and somewhat longer bract-arms. I have not seen a specimen. 



64. D. aspera, A. Chev. in Bull. Soc. Bot. France, Iv'm.Meni. viii. 

 207. A shrub 3-6 ft. high ; branchlets 1-lJ lin. thick with inter- 

 nodes J-2 in. long; young shoots, petioles, peduncles and receptacles 

 puberulous. Leaves shortly stalked, polymorphic, oblanceolate 

 or oblong or deltoid to narrowly obovate, abruptly acuminate with 

 the extreme apex obtuse, base wedge-shaped, more or less acute, 

 margin undulate, sometimes becoming more or less dentate above, 

 2-9 in. long, f-2 in. wide, apex 3-5 lin. long, in the lower part of 

 the shoots oblong-triangular or subdeltoid, abruptly acuminate ; 

 upper face glabrous, with sparse short adpressed hairs on the lower 

 face ; lateral nerves 6-8 on each side, curving upwards and uniting 

 below the margin ; petiole 1 J-5 lin. long. Stipules acutely triangular, 

 2-3 lin. long, caducous. Inflorescences solitary in the upper leaf- 

 axils. Peduncle 2J-7 lin. long, much dilated above and rugose. 

 Receptacle small, oblong or 3-lobed, 5-7 lin. long, 2J-3 lin. broad, 

 with a narrow entire margin and bearing 2 or 3 linear-spathulate 

 bract-arms J-f in. long and J lin. broad. Male flowers numerous, 

 2-3-androus ; perianth shortly 3-lobed, lobes obtusely rounded, 

 puberulous ; female flower solitary, central ; ovary deeply sunk, 

 passing abruptly into a deeply 2-fid style, enveloped by the pul- 

 verulent tubular perianth, which divides at the apex into 3 small 



