292 cxxiiiu. uiiTiCACE-E (Rendle). [PouzolzicL 



lanceolate from an ovate base, very acute, up to 2J lin. loug, gluma- 

 ceous and reddish-brown. Flowers crowded, axillary ; male numerous, 

 female solitary among the male. Male perianth campanulate, 

 segments 4 or 5, hairy on the outside with incurved hispidulous 

 tips ; stamens exserted. Female perianth ovoid, narrowed and hairy 

 above, much shorter than the filiform geniculate stigma. Fruit 

 unknown.— Wedd. in DC. Prodr. xvi. i. 224 ; Schweinf. in Bull. 

 Herb. Boiss. iv. App. ii. 146. 



Nile Land. Upi^er Sennar : Fazokl, Cienkowaky. 



Also in Arabia. 



8. P. fruticosa, Engl, in Engl. Jahrb. xxxiii. 127. A shrub 6-10 ft. 

 high, with ascending leaf y branches lJ-2 ft. long ; internodes 7-10 lin. 

 long ; young' shoots somewhat densely covered with white hairs, 

 adult shoots brown with a thin readily separable cortex. Leaves 

 subcoriaceous, ovate, acute, base rounded or slightly emarginate, 

 1-lJ in. long, |-1 in. wide, lateral nerves 2 to 3 on each side, ascend- 

 ing, impressed above, upper face sparsely hairy and dotted with 

 cystoliths, white-tomentose beneath ; petiole white-tomentose, 

 2-|-3J lin. long. Stipules broadly lanceolate, acuminate, densely 

 covered with white hairs on the back of the midrib. Flower clusters 

 about 2^ lin. in diam. ; perianth purplish, shortly hairy, about J lin. 

 long. Male perianth divided to the middle ; stamens yellow, 1 lin. 

 long. Female perianth ovoid ; ovary J lin. long ; stigma filiform, 

 nearly 2 lin. long. 



Nile Land. Harar : Eixjrthal, EUenheck. 



Perhaps identical with the preceding species, but as 1 have not seen sijecimens 

 of either and as important details are lacking from the published description 

 of P. fruticosa, i hesitate to put them together. 



9. P. shirensis, Rendle in Journ. Boi. 1917, 202. A monoecious 

 shrub ; branches in specimen 1-2 lin. thick with a thin reddish-brown 

 separable bark, and bearing numerous spreading leafy slender hir- 

 tellous shoots 5 in. or less in length, with internodes \-^ in. long ; 

 bearing both leaves and inflorescences at the nodes, except at the 

 lower from which the leaves have fallen. Leaves shortly stalked, 

 membranous, ovate to lanceolate, acute, base blunt, margin entire, 

 lj-2i in. long, ^1 in. wide, 3-nerved, the lateral nerves ascending 

 well into the upper half of the leaf, upper lateral nerves 2-3 on each 

 side, upper face scabridulous, lower face marked with the slender 

 prominulous nerves and parallel cross-unions, somewhat sparsely 

 pubescent, or when young thinly white-tomentose, margin ciliolate ; 

 petiole slender, pubescent, 2-4 lin. long. Stipules brown, glumaceous, 

 broadly lanceolate, acuminate, lJ-2 lin. long, persistent, shortly 

 hairy on the back of the midvein. Flowers in dense axillary clusters, 

 shorter tban the petiole, consisting of numerous male and a few 

 female. Male perianth short-stalked, campanulate, about f lin. 



