Gramiweab. Spodiopogow. Heteropogoit. 361 



membranaceis laevibus , inferiore apice bifida laciniis subu- 

 latis , nervo , a medio dorso conspicuo , inter lacinias in se- 

 tam quadrilinearem recurvam scabram pallidam excurrente, 

 superiore valvula lineari -lanceolata acuta plana obsolete bi- 

 nervi. Lodiculae lineares, truncatae , menibranaceae, elon- 

 gatae , germcn aequantes eidenique agglutinatae. Germen 

 lanceolatum. Styli iilirormes, albi. Sligmata dense plumosa, 

 pur])urea. Stamina tria, vel nuda vel autheris parvis imper- 

 fectis sagittatis instructa. Caryopsis deest. 



Habilat iii ripa ])raerupta arenosa fliivii Sohmoes ad 

 Mutiuncoara et ad Japura Jluvium provinciae Muminis Ni- 

 gri. {IMart.) Jrt Guadalupa et lilartinica (^Spr.) Floret 

 Novemhri et Decemhri. H.. 



Observ. Spodiopogon sibiricus, nusquam ad- 

 huc descriplus, quomodo difTerat a nostro nescimus; divei'- 

 sum tamen accipere necesse fuit, cum tanta sit patriae utrius- 

 que diversitas. 



XXXV. HETEROPOGON. 



Pers. Syn. II. p. 533. Palis. de Beanv. Agrost. p. 184. 

 tab. XXIII. j: 8. Trin. Fund. yigrost. p. aoS. 



Andropogonis sp. , Fin. , Juss. , R. Br.y u4lUon. 

 Char. esscnt. Spiculac monolcae, triandrae, 

 mares cinn focminls mlxtae, gcminatae. Calyx bi- 

 glumls In rhachi artlciilata subscssllls. Floscull foe- 

 mlncl yalvula Infcrlor minuta, longe arlstata. — In- 

 floresccntla splcata. 



Char. natural. Spiculae dlcllnes subsesslles, 

 plcracque gemlnae In rhachl artlculata: Inferlorura 

 parlum plcrumque utraque mascida, superlorum al- 

 tcra (caquc Inferior) focmlnea. — Splculae mascu- 

 lae calyx blgUunls, herbaccus, Impcrfcctc blflorus, 

 ghmils planls obliquls flosculls longlorlbus, inferlore 

 iiervoso - strlata. Flosculus Inferlor ncutcr, unlval- 

 tIs, valvula membranacca mutlca^ superlor masculus, 

 blvalvis, valvulls hyallnls mutlcls. Lodiculae phmae, 

 mcmbranaccac^ truncatae, dcntlculatac , collatcrales. 

 — Foemineae spIcuLae calyx blghnnls, coriaceus, In- 

 Tolutus, unlflorus. Flosculus blvalvls, valvula infc- 

 rlorc miimta In aristam longani valldam abcuntc, su- 

 periore mcndjranacea. Lodlculae parvae. Stlgmata 

 penicilllformla. 



