PROCRIDE^E. PILEA. 195 



a, foliis utrinque viridibus, exsiccatis uiidique cystolithis delica- 



tulis fusiforuîibus iuspersis. 

 P canescens, foliis exsiccatis sublus canis, cystolithis vix conspi- 



cuis. 



Pilea imparifolia Wedd., in Atin. se. nat., sér. 3, XVIIl, 212 ; Miq., in Mart. FI. bras., fasc. XII, 

 199. 



Herba perennis ; caulibas prostratis et pleriimqiie longe repentibus, 

 3-6-decimetralibus , subsimplicibus ramosisve, ramis gracilibus inferne 

 magis minusve denudatis. Folia omnia triplinervia, majora 2-5 cm. longa, 

 8-20 mm. lata, m petiolum gracilem ^ cm. longum desinentia; minora 1-2- 

 centimetralia, subsessilia ; lamina exsiccata membranacea, cystolithis rectis 

 arcuatisve (in pagina superiore majoribus) ornata. Stipula parvae, late am- 

 plexicaulesjobtusœ, persistentes. CymjE masculjE petiolos nonnunquam paulo 

 superantes, sublaxiflorae, floribus longiuscule pedicellatis, lobis perigonii 

 crasse mucronalis ; alabastro 1^ mm. longo. CyjmvE feminevE minimae ,y?o«ÂM5 

 brevissime pedicellatis; yyer/g'o/2»/r«c/i/ê«' segmente intermedio pileato, late- 

 ralibns subœquilongo acheenioque elliptico-ovato compresse et margine 

 scabriusculo fere dimidio breviore. 



Hab. — In sylvis Guyanae gallicae, ad truncos et scopulos (Martin, Mélinon, Leprieur). — (v. s.) 



28. Pilea cuneifolia. 



P. nionoica, glabeirima ; foliis imparibus, allero parvo cuneato- 

 obovato integroque, altero sextuplo majore cuneiformi prope api- 

 cem utrinque crenato-dentato 5 cyniis parvulis, pedunculatis, quani 

 folia brevioribus. 



Urtica cuneifolia Swarlz, in yict. Holm., ann. 1787, p. 70; ejusd., FI. Ind. occ, 319; Poiret, 



EncycL, suppl., IV, 222; Smith, in Rees' Cycloped., Urtica, n. 50. 

 Pilea cuneifolia Wedd., in .^nn. se. nat., sér. 3, XVIIl, 212. 



Caulis erectus vel adscendens, 3-decimetralis, herbaceus, angiilatiis, 

 ramosus ; ramis fere simplicibus. Folia majora 10-18 mm. longa, 3-6 mm. 

 lata, in peliolum brevem attenuata; lamina exsiccata rigida, ^\x^\'di cystolithis 



