36 cxxiiic. MORACEiE (Kendle). [Dorstenia, 



14. D. Holstii, Engl, in Engl. Jahrh. xx. 145. SufEruticose, 

 with a slender horizontal rhizome 1 J lin. thick bearing much branched 

 fibrous roots at the nodes, passing into an erect slender stem 8 in. 

 high ; upper portion sparsely puberulous, as are the petioles and 

 peduncles. Leaves papery, oblanceolate to obovately elliptic, apex 

 blunt to shortly acuminate, base cuneate, blunt, margin slightly 

 undulate, 3J-5 in. long, 1-2 J in. wide, shining above, paler beneath ; 

 lateral nerves 4-6 on each side, curving upwards at an angle of about 

 60° with the midrib ; petiole J— | in. long. Stipules linear-subulate, 

 caducous, 1 lin. long. Inflorescence solitary ; stalk IJ-IJ in. long, 

 over 1 lin. thick ; receptacle suborbicular, dark reddish-brown, 

 7-9 lin. long, 5-7 lin. broad, bearing a number of linear obtuse 

 radiating bract-arms, 2J lin. to IJ in. long, and J lin. wide. Male 

 flowers 2-3-androus ; female numerous, dispersed over the more 

 central portion of the disc ; style projecting, 2- fid. Fruit subglobose, 

 1 J-2 lin. in diam. ; endocarp crustaceous, keeled on the back, sides 

 tuberculate. — Engl. Pfl. Ost-Afr. C. 161, and Monogr. Morac. Afr. 

 13, t. iv. A. 



Mozamb. Distr. German East Africa : Usambara ; Mlalo, about 4800 ft.. 

 Hoist, 3706; Amani, 3000 ft., Warnecke, 225 ! 



Var. grandifdia, Engl. Monogr. Morac. Afr. 13. Stem U-2 ft. high ; leaves 

 generally 8 in. long, 2J-2f in. wide ; petiole f-1 in. long. 



Mozamb. Distr. German East Africa : Usambara ; Handei Mountains, 

 near Kombola-Kosila, 3700 ft., Buchwald, 241 ; Gondja Mountains, 6400 ft., 

 Buchwald, 236 ! 



15. D. asteriscus, Engl, in Engl. Jahrh. li. 428. Stems reaching 

 3 ft. in height, closely covered, as are also the petioles, leaf -veins, 

 peduncles and receptacles, with short hairs between which are 

 solitary short whitish bristles. Leaves membranous, broadly oblong- 

 elliptic, apex shortly and obtusely acuminate, base blunt, margin 

 coarsely crenate, 4i-6J in. long, 2-2| in. wide, paler beneath, midrib 

 thick ; lateral nerves about 10 on each side, spreading, pronainent on 

 the lower face ; petiole about f in. long. Stipules small, subulate, 

 glabrous. Peduncle \ in. long. Keceptacle orbicular, greyish-brown, 

 nearly 8 lin. in diam., bearing numerous unequal obtuse bract-arms, 

 the longest reaching 5 lin., several shorter ones between the longer. 

 Male flowers 3-4-androus, with a 3-4-lobed perianth ; female 

 distributed throughout the disc ; style 2-fid. 



Upper Guinea. Cameroons : Mbo, in the Kongoa Mountains, 5300 to 6000 ft., 

 Ledermann, 6044. 



16. D. Brownii, Rendle in Journ. Bot. 1915, 299.' Herbaceous 

 shoots 9-12 in. high, springing from a slender woody branching rhizome 

 about 1 lin. thick, simple or branched, leafy nearly to the base ; inter- 

 nodes J -| in. long, puberulous, interspersed with stiff er longei hairs on 

 the young parts. Leaves thin and papery when dry, narrowly obovate 



