290 cxxiiid. urticace^ (Uendlc). [Pouzolzia. 



tenacious, simple, naked and glabrescent below, leafy and somewhat 

 hispidly hairy to pubescent above, with short slender branches, 

 stem and branches densely leaved at the apex. Leaves long-stalked, 

 membranous, alternate, ovate or elliptic-ovate, acuminate, base 

 bluntly wedge-shaped, margin entire, 2-3 J in. long, 1-2^ in. wide, 

 those on the lateral branchlets much smaller, 3-nerved at the base, 

 with 2 additional lateral nerves on each side, upper face deep green 

 with scattered whitish appressed hairs and dotted with numerous 

 cystoliths, lower face with long white hairs on the nerves and an 

 often somewhat thin cottony tomentum betw^een the nervation ; 

 petioles slender, up to 2J in. long, with long spreading stiffish 

 hairs. Stipules glumaceous, ovate-lanceolate, long-acuminate-caudate, 

 about J in. long, with long hairs on the margin and back of nerves. 

 The dense axillary yellowish-green flower-clusters generally andro- 

 gynous ; male perianth 4-partite, segments ovate with a few long 

 hairs on the back. Fruiting perianth somewhat compressed ovoid with 

 a short constricted apex, about 1 lin. long, glabrescent, with a few 

 inconspicuous longitudinal nerves, closely investing the shining 

 brownish achene. — P. denudata, De Wild. & Th. Durand in Comptes- 

 rendus Soc, Bot. Belg. xxxviii. 53 and Reliq. Dewevr. 220 ; De 

 Wild. Miss. t. Laurent, 73 ; Th. & Hel. Durand, Syll. Fl. Congol. 513. 



Lower Guinea. Angola : Pungo Andongo ; rocky thickets of the Presidium, 



Welwitsch, 6260 ! by streams in the Presidium, near Cazclla, Welwitsch, 6271 ! 



South Central. Belgian Congo: near Stanleyville, Deioevre^ 1164a; Lu- 

 langa, Laurent. 



1 have included the Congo specimens (P. denudata, Do Wild. & Th. Durand) 

 from thp authore' original description which has ajiparently been based on 

 Bomewhat smaller plants than those sent by Welwitsch. 



A textile i^la^nt {W elwiUch). 



5. P. huillensis, Hiern in Cat. Afr. PI. Weliv. i. 993. Apparently 

 a perennial shrubby herb 3-5 ft. high ; branches purplish-brown, 

 sparsely pubescent ; branchlets ascending, reddish-brown to brown, 

 pubescent, leafy, about 9 in. long. Leaves membranous, alternate, 

 ovate to elliptic, acuminate, base rounded or obtuse, margin entire, 

 J-3 in. long, J-2 in. wide, triplinerved near the base, with 2 additional 

 lateral nerves above on each side, deep green with scattered whitish 

 appressed hairs above and dotted with numerous minute cystoliths, 

 paler beneath and more or less covered between the somewhat promi- 

 nent venation with a white cottony tomentum ; petioles rather 

 slender, somewhat hispidly hairy, ] in. or less in length. Stipules 

 glumaceous, lanceolate, acuminate-caudate, hairy on the back, margin 

 ciliate, up to about J in. long. Flowers in dense clusters in the 

 leaf -axils, in the single specimen mostly male with a few females 

 intermixed. Male flowers shortly stalked, depressed globose in bud; 

 perianth 4-partite for three-quarters of the length, about 1 lin. long; 

 lobes elliptic, apiculate. Female flower with a long narrow-linear 



