Pouzolzia.] cxxiiiD. urticaceje (Rendle). 



287 



ovate. — Herbs, iindershrubs or shrubs. Leaves alternate, rarely 

 opposite, stalked, margin generally entire, more rarely toothed, 

 3-nerved. Stipules free, scarious or glumaceous, generally persistent 

 and subtending the inflorescence. Inflorescences generally with 

 male and female flowers intermingled ; bracts generally small, 

 scarious ; male flowers generally jointed to the short pedicels, the 

 female sessile. 



Species about (\0 ; throu< 

 Leaf- margin entire. 



;hout the tropics, but less numerous in America. 



.Stigma linear-oblong, shorter than the )x>iianth. 

 Fruiting jx-rianth narrowly margined, sicks 

 4-nerved ... 



Fruiting perianth irregularly ribbed 



Stigma narrow linear or filiform much longer than 

 the perianth. 

 Leaves glabrescent except on the nerves 



Leaves more or less white-tomentose beneath. 

 Herbs, sometimes shrubby below ; leaves rarely 

 less than 1 in. wide, upper face \'ery 

 sparsely hairy. 

 Male flower 4-androus. 



Leaves 3-nerved; petioles long, slender 

 (up to 2^ in.) 



Leaves triplincrved ; i)etioles short (not 

 exceeding 1 inch) 



Male flower 5-androus 



Shrubs with woody branches and small leaves 

 (not exceeding 1^ by 1 in.). 



Ix?aves densely hairy above 



Leaves sparsely hairy above, white- 

 tomentose beneath 



Ix'aves glabrous above, sparsely pubescent 

 beneath • 



P. guinccnsis. 

 P. Dewevrei. 



3. P. Baicsn. 



P. (nidotu/ensis. 



P. liuillensis. 

 P. hypoleuca. 



7. P. mixta. 



8. P. fnitkosa. 



9. P. shiremis. 



Leaf-margin serrate or dentate. 



A perennial, 3-0 ft. high ; male flower 3-4-androus ; 

 achene polished 



Annual herbs ; male flower 5-androus ; achene 

 granular. 



Plant 1 ft. high ; leaves ovate 11 



A delicate i)lant rarely (> in. high ; leaves broadly 

 ovate or ovate-rotund ... ... ... ... 12 



10. P. jxirasilica. 



P. Erythrccor. 

 P. pisckdliaiui. 



1. P. guineensis, BerUh. in HooL Niger Fl. 518. An annual 

 herb ; stems erect or ascending, 2-3 ft. high, slender, terete, 

 branched, younger portions shortly pubescent, with intervening 

 long soft hairs. Leaves alternate, stalked, ovate-lanceolate to 

 ovate, acuminate, base obtuse to rounded, margin entire, varying 

 much in size on the same plant, 1-3^ in. long, less than ^-1^ in"^ 

 wide, 3-nerved, the lateral nerves reaching to about the middle of 

 the leaf with 1 or 2 lateral nerves above on each side, more or less 



