3o8 T R I N I u s, 



lanceolata, acuta; hcrmaplirodila glunils fere duplo brevior, apice excurrens 

 in aristam tenuissimam (fifre capillarem) et versus apicem cirrosulam , spicula 

 fere triplo longiorem. 

 An luijus gcneris etlam Andropogon fristachyus Roxb. (And. trispicahts Schult.)!' 



S A C C H A R U M L. 



Spicae paniculalae, compositac. Spiculac pl. min. lanceolalae, basi lana 

 longa cinctae, homomorphae, homogeneae, biflorae: flosculo neutro univalvi ; 

 hermaphrodito bivalvi , mulico vel aristato (valvula inferiori in muticis saepe 

 angustissima, subobsoleta). 



Gramina , ut Andropogones geographice distributa , muticis speciebus tamen mere 

 tropicis, plerumque elata (6-12, rarissime 2 tantum pedes aha), erecta, hu- 

 mida ripasque arenosas amantia. 



Folia aut linearia, in ahis latiora , in ahis perangusta et subinvoluta: aut pl. min. 

 lanceolato - hnearia. 



Ligula membranacea, plerumque brevis, apice inlerdum ciliari. 



PflTz/cM/rt sempcr spectabihs , radiis verticillatis aut semiverticillatis , composilis: ra- 

 diohs slrictis, singulis spicifloris s. rhaches formantibus articulatas, demum 

 maxime fragiles: articulis pl. min. tenuibus, nudis L villosuhs, ad Juncturas 

 lana longa barbalis. 



SpicuJae pl. min. lanceolatae (interdum ovato-Ianccolalae), nudae vel villosulae, basi 

 lana longa cinctae, ad quemvis articulum binae, homogeneae: altera sessilis 

 (vcl brevissime stipitata), altera pcdicellata. Ghimac pl. miu. chartaceae (mar- 

 ginem versus interdum hyalino-mcmbranaccac), acutae vel acuminatae, aequa- 

 les: inferior S-y-nerxis: ncrvis saepissime margini propioribus, medio saepe 

 obsolclo vel deleto; superior 3-, rarins 5-nervis, subcarinato-comprcssa. — 

 Flosculi 2. hyalini vel submcmbranacei : iiijeiior ncutcr, univalvis, muticus: 



