294 cxxiiiD. URTICACE^ (Eendle). Pouzolzia. 



South Central. Belgian Congo.: Kissenye, on the Ninagongo River, 8000- 

 9500 ft., Mildbraed, 1342. 



Mozamb. Distr. Nyasaland, Buchanan, 920 ! 



Also South Africa and Arabia ; and also (according to Weddell) in tropical 

 South America. Schweinfurth (I.e.) states that Forskal's specimen of Urtica 

 parasitica, upon which also U. muralis, Vahl, is based, is identical with 

 Pouzolzia procridioides, Wedd. 



11. P. Erythraeae, Schwcinf. in Bull. Herb. Boiss. iv. A'p'p. ii. 146. 

 An annual herb, 1 ft. high, hirtellous to puberulous, with a few thin 

 erect branches. Leaves thinly membranous, long-stalked, ovate, 

 acutely cuspidate, base subrhomboid passing abruptly and nearly 

 at a right angle into the petiole, margin ciliate and except in 

 the lower third crenate-serrate, f to \\ in. long, |-f in. wide, 3- 

 nerved, the lateral nerves ending in the upper third of the blade, 

 with 3-4 horizontally spreading lateral nerves on each side, bearing 

 long scattered hairs on either face and very minutely tuberculate ; 

 petiole weak, J-IJ in. long. Stipules subulate from a broad base, 

 ciliate. Flower-clusters axillary, few-flowered, androgynous. Male 

 flowers pentandrous, with 5 elliptic acuminate perianth-segments 

 which are hairy and bear 3 apical bristles. Fruiting perianth ovoid, 

 compressed, keeled on one side, hirtellous, w4th an irregular network 

 of veins, | lin. long, closely adhering to the achene. Achene crowned 

 with the linear remnant of the deciduous stigma about half its length, 

 dull brown, and finely granulate. 



Nile Land. Eritrea : Gaaba ; Lawa Valley, 1100 ft., Schwdnjurtli, 1058. 



12. P. plscicelliana, Buscalioni & Muschler in Engl. Jalirh. xlix. 

 465. A small delicate annual herb, barely 6 in. high ; stem simple 

 or slightly branched ; branches thin, erect, terete, inconspicuously 

 striated, when young more or less densely covered with long white 

 spreading hairs but soon becoming less hairy ; internodes up to 

 about 1 J in. long. Leaves light green, long-stalked, broadly ovate 

 or ovate-rotund, narrowed towards the acute cuspidate apex, base 

 subrhomboid and passing abruptly and almost at a right angle into 

 th6 petiole, margin toothed, teeth minute, about \ lin. apart and 

 less than J lin. high, somewhat mucronulate, 3-nerved, thinly mem- 

 branous, at first minutely pubescent on both sides with the cha- 

 racteristic spreading hairs but generally soon becoming glabrous ; 

 petiole very slender, almost threadlike, up to f-l in. long, more or 

 less densely covered with minute spreading hairs. Stipules subulate 

 from a broad base, somewhat ciliate. Flower clusters androgynous, 

 few-fiowered. Male flowers pentandrous; perianth-segments 5, 

 elliptic-lanceolate, acuminate, hairy and with 3 long apical bristles. 

 Fi-uiting perianth and achene as in P. Erythrcece, but the perianth 

 with a somewhat dense covering of rather long soft hairs. 



Mozamb. Distr. Rhodesia : Between Buana Mukuba and Sekontui, 4000 ft., 

 Helena von Aoftta, 512. 



i 



