74 cxxiiic. HORACES (Rendle). [Dorstenia, 



with cuneate base, margin broadly and obtusely dentate, lj-2J in. 

 long, |-1 J in. wide ; lateral nerves curving upwards and passing 

 into the teeth ; petiole 5-7 lin. long. Peduncle slender, j-lj in. 

 long ; receptacle ovate, 2J-3J lin. long, with a broad green shallowly 

 toothed margin, lJ-2 lin. broad, passing above into a linear bract 

 5 lin. long and below into two narrowly triangular teeth, 2J lin. long. 

 Female flowers about 5. 

 Mozamb. Distr. German East Africa : Usambara ; luutindi, Liebusck. 



I have not seen a specimen. Engler includes the species in his section Kosaria, 

 and says that it somewhat recalls D. Goetzei ; he does not, however, state whether 

 the style is simple or branched. 



5. TRYMATOCOCCUS Poepp. k Endl. ; Benth. et Hook. f. 

 Gen. PL iii. 366. 



Flowers monoecious. Male : perianth 2-lobed ; segments concave. 

 Stamens 2 (in African species), opposite the perianth-lobes ; filaments 

 exceeding the perianth, free, inflexed in bud ; anther-cells contiguous 

 or slightly separated on a broad connective. Female flower embedded 

 in the receptacle. Perianth very thin around the ovary but. forming 

 a thicker projecting tube around the style. Ovary ovoid, passing 

 above into a long excentrically attached style which divides into a 

 pair of narrow style-arms spreading from the mouth of the perianth ; 

 ovule solitary, pendulous, anatropous. Fruit occupying the interior 

 of the enlarged subglobose receptacle which bears on its somewhat 

 flattened top the remains of the male flowers. Pericarp thin above, 

 becoming thickened below. Seed subglobose or transversely ellip- 

 soid ; testa chartaceous, filled with the embryo which consists 

 of a small superior radicle, a minute undeveloped cotyledon and a 

 second much enlarged cotyledon which occupies almost the whole 

 of the interior. — Shrubs or small trees. Leaves alternate, generally 

 oblong-elliptic, acuminate, with unequal base ; petioles very short. 

 Stipules narrowly triangular, deciduous or somewhat pei'sistent. 

 Inflorescences small, solitary or several on a reduced branch in the 

 leaf-axils, consisting of a peduncle which generally exceeds the 

 petiole, and passes above into a small top-shaped receptacle bearing 

 numerous minute male flowers and a single central female flower : 

 bracts forming generally inconspicuous lobes round the margin of 

 the receptacle, and occurring occasionally on the peduncle. 



One species in the Amazon district, 4 in tropical Africa. 

 Margin of receptacle bearing minute obtuse lobes : 

 JStalk of receptacle not exceeding 6-7 lin. long : 



Stalk of receptacle 0-7 lin. long ; anther-cells con- 

 tiguous ]. T. ajrkanus. 



Stalk of receptacle 2-3 lin. long ; anther-cells distant 3. T. kamerunemis. 

 Stalk of receptacle 7-14 lin. long ... ... ... 4. T. conrauanus. 



Margin of receptacle bearing 10 triangular bracts alter- 

 nately 1 or 2 lin. long 2. T. dorstenioides. 



