GnAMI?CEAE. HtPOGYrVIUTC, 305 



Cbar. natural. Splciilac dlcllncs, in rhachi 

 articulata gemlnae: altcra sessllls foeminea, altcra 

 pcdlccllata, mascula, utraquc subblllora. Splculac 

 focmlncae (rhachl apprcssac, mlnorlsque) calyx bl- 

 ghmils , hcrbaccus, trlgonus^ glumls acquallbus ilos- 

 culos aequantlbus j Inferiore dorso plana binerrl , su- 

 perlori carlnata unlnervi. Flosculus supcrlor neuter, 

 univalvls, valvula membranacca (lanccolata) unincrvi 

 mutlca 3 inferior bivalvls , valvida superlorc mlnuta 

 truncata ovarlum amplectente. Lodiculae obsoletae. 

 Stamlnum rudlmenta brevia. Germen subulatum^ 

 styli duo 3 stigmata aspergllllformia. Spiculae mas- 

 culae (pedlceliatae majorls) calyx iDlglumls, giuma ni- 

 ferlore qulnqucnervi nervls latcrallbus approximatls, 

 superiore trlncrvi (marglne lanuglnoso - clilata. Fios- 

 cuius superlor neuter, unlvalvls ; valvuia (lanceolata) 

 inermi uninervl clllata mcmljranacea^ inferlor Ijlval- 

 vls , vaivuiis etiam membranaceis mutlcis 3 Inferlore 

 (lanceoiata) unlnervi, superlore muito ijrcvlori ovata 

 trldcntata. Lodlcuiae coilaterales, oljconlcae, trun- 

 catae , gialjrae. Stamlna tria. Pistilium nulium. 



Adnot. Est Anatherum spiculis diclinibus. 



Nomen a spicula foeminea iaferiori derivatum. 



Species Lrasilianae duae. 



1. HYPOGYNIUM CAMPESTRE. f 



H. splcis nudis. 



Anadierum domingense , Pt. et Sch. S. V. 11. p. 809? 



Radix deest. Culmi non nisi superior pars restat, ubi 

 simplex, teies, ubi ramosa, semiteres , crassitie pennae 

 columbinae, laevis , glabra , nodis purpurascentibus tumidii- 

 lis glabris. Vaginae ramorum siibbivalves , cuhui supremae 

 (quae solae obviam) convolutae, glabrae , substriatae, mar- 

 gine membranaceo purpurascente. Folium supremae vaginae 

 vel nullura , vel breve, (pollicare circiter) , lineatn latum, 

 lineari - attenuatum , glabrum , dorso convexiusculum. Li- 

 gula obliqua , truncata, membranact-a, suljciliata. Spica com- 

 posiia , terminalis , tres — quatuor poliices longa , subiasti- 

 giata , fajciculiformls. Rhacbis communis giabra, ad rami- 

 ficationes subpilosa , inferne tereliuscula, superne compressa. 

 Hami 2 — 2^ poliices longi, erecti , inferiores gemini , supe- 



