Pilm.] cxxiiId. urticace.e (Rcndle). 275 



hairs, otherwise glabrous, branched, iiiternodes on the main stem 

 J— IJ in. long. Leaves siibovate, base acute, margin ratlier bluntly 

 serrate, 3-nervcd, 1^—2 in. long, l-l\ in. wide, with very numerous 

 linear cystoliths ; petiole slightly channelled above, sparsely hairy, 

 5-7 lin. long. Stipules broadly triangular, acute, about 2J lin. long 

 and 1 lin. wide. Female inflorescences subglobose, '6-A\ lin. in 

 diam. ; peduncle exceeding the half of the leaf, f-l^ in. long ; bracts 

 subterete, about equal in length to the flowers, 1 lin. long ; perianth- 

 segments oblong, apiculate, dark green at the tip. Achene sub- 

 orbicular, slightly compressed, lenticular, J lin. broad, J lin. long. 



Mozamb. Distr. German East Africa : Central Uluguru ; Lukwangula 

 Plateau, 7800 ft., Goetze, 280. 



12. P. Engleri, Rendle. Stem tall, succulent. Leaves lanceolate, 

 acuminate, base obtuse, entire, margin otherwise serrate-dentate, 

 glabrous, shining, very densely covered on each face, especially 

 beneath, with minute linear cystoliths ; petiole half as long as the 

 blade. Stipules deciduous. Inflorescences glomerate, capituliform, 

 long-stalked, the female smaller, the male nearly twice as large.— 

 P. longipes, Engl. Pfl. Ost-Afr. C. 163 ; not of Liebman nor of 

 Baker. 



Moiamb. Distr. German East Africa : Kilimanjaro ; girdle forest, 0000- 

 9500 ft., Volkens, 1494. 



13. P. usambarensis, Efigl. Glied. Veg. Usamhara, 55, a72d Pfl. 

 Ost-Afr. C. 163. Stem succulent, creeping below, then erect. 

 Leaves elliptic, acuminate, base subacute, entire, margin otherwise 

 serrate, 3-nerved ; cystoliths linear, very numerous, especially on 

 the lower face ; petiole half as long as the blade. Stipules deciduous. 

 Inflorescences in pairs in the leaf-axils, capituliform ; peduncles a 

 little shorter than the petiole ; pedicels half as long again as the 

 subglobose flower-bud. 



Mozamb. Distr. German East Africa : Usambara ; Mlalo, Hoist, 78. 



14. P. kiwuensis, Enc/l. in Mildhracd, }Viss. En/rbti. DrutscJt. 

 Zentr.-Afr. Exped. 1907-8, ii. 190. Stem decumbent, with numerous 

 erect branches up to 8 in. long, internodes about as long as the petioles. 

 Leaves spreading, trapeziform, acute at apex and base, margin entire 

 below, serrate above, -J- Ij in. long, 7 lin. wide, with scattered white 

 hairs on the upper face ; petiole slender, 5-7 lin. long. Stipules 

 triangular, acute, brownish, up to H lin. long. Inflorescences 

 (female) in pairs, equal to or shorter than the petiole, cor^-mbose, 

 contracted into a head, 2J-3 lin. in diam., peduncle 2^ lin. 

 long. 



South Central. Belgian Congo : Sabyino, north-east of Lake Kivu, 8800 ft., 

 Mildbraed, 1092. 



