MONOGIIAPIIIA l'OI,Y(iALACEARl M. 181 



liberis Iitc iIii|iIii hrevinres: sligma siiperiiis ciicullatmii ;ipici' pcnicilld hrcvi 

 piliiiiiiii iiMiiiituiii, foriiiM' pi'ciiliaiis: capsiil;! eloni,'ala ovato-triangularis, alis paiilii 

 bievior; seiniiia coiiica, liasi pilis ronifiain (piasi formantibus. (|iiam scmi'ii i-'i pi. 

 hroviorihus praMlita, apice aculeiformitur alteiiuata, appemlicibus duobus angiis- 

 lissiiiiis, aculeildimilms piT venlrein seiniiiis descemienlibus, atque paulo sub apice 

 insertis, munita. 



H. B. K. Nov. gcn. V, p. 397. t. ")0Ç); nC. Proilr. I. p. 328; Hooi<. .1. ol'Bot. 

 IV, 100. 



Tab. nostra \\I, fig. 37-38. 



('.ai(bi : l'Oii; lloiienacker : Siiiiiiani 17") «. Scbeiik n" 4311 fi. rubris. 

 l'i'iiiainbiii'ci. 



Habitat in clitiuiie Aniazotiuiii, iii (iuiana, Surinamia, Aiitiliis, etc. 



P. PSEUDOVAKIABILIS, n. sp. 



Railix lil)i(>sa, liiirillis leimissimis. Caiibs crectiis, filifonnis, tenuissinius, 

 simplex V(>l paiii'ii'JinKisiis; foiia liiicaiia. niimila, angustissima, pauca ; racenii 

 subcapitati : Ûoivs aljji vtsi nisci ; ala> i'lliptica\ nec ovato-lauceolatre, nervis tril>ns 

 simplicibus. IVlala siipcrinra. ajiiii' inliiiuiala nec aciita; antherse quam filamenta 

 paiilo longiores vel a^quales ; stigma infcrius longe prominens apice liiiatatnMi 

 obtusnm. Capsnia lancenlata, alis inulto brevior. Semina conica, pilis basi coronani 

 ';, longitndinis seniinis .'Oipiaiitcin formanlibus. 



Tftli. HDSlru \\l, lig. 39-40. 



Exscc. : Canin. 1841, n" 301(1. 



Radix fibrosa, lilamentis tenuissiniis, 1 cm. longis formata. Caulis simplex 

 vel ramos 1-3 edens, elongatus, (iliformis; tennissinuis 0,3-0,5 mm., 20-30 cm. 

 longus, subnudns. Folia linearia, 3-5 mm. longa, 0,25 mm. lata, acuta, sub- 

 sessilia, glabra, sparsa. erecta, sii|iernc. breviora ac latiora. pellucide piinc- 

 tata. Haccnms terniiiialis paucillorus, subca[)itatns, snblaxillorus , 1-1,5 cm. 

 longus, 8-!t mm. latiis. Se|)ala exleriora vaille iiia'ipialia, siiperius ovatd-aciitum 

 quam duo alia duplo longius ac latius, vel trijilo latins, glabra, alba. Aine elliptic.TB, 

 brevissime unguiculata", sul)api<nlata?, nec acuta», nec ovato-acut.ie, glabne, nervis 

 tribus, simplicibus iiotata', i|ut)runi duo marginales, etiam simplices, (juam corolla 



