300 GRAMINEiE. Holcus. 



5. H. plumosus, panicula. effusa : ramis verticillatis indivisis 



spiciferis, spicis 8 — 15-floris, rachi pedunculisque plumo- 

 so-barbatis, rloribus oblongo-lanceolatis, glumis pubescen- 

 tibos muticis, hermaphroditi arista imberbi valvulis sexies 

 longiore, ioliis scabns, geniculis barbatis. (T.) v. v. 



6. H. elongatus, panicula elongata subcoarcrata : ramis verti- 



cillatis divisis simplicibusve spiciferis, spicis 5-floris, pe- 

 dunculis imberbibus, glumis glabris muticis, extcriore her- 

 maphroditi substrigoso-ciliata, flosculi hermaphroditi arista 

 spicula breviore, foliis triquetris carina marginibusque as- 

 peris. (T.) v. v. 



ANTHISTIRIA. L. 



Flores fasciculati, polygami monoici. 



Masc. v. Neut. quatuor, verticillati, sessiles, circumdantes 



unicum hermaphroditum, masculis 2 pedicellatis stipatum. 



Gluma 1 — 2-valvis, membranacea. Perianthium muti- 



cum. 

 Hermaph. Gluma bivalvis, coriacea, 1 — 2-flora. Pcria?i- 



thium inclusum, hyalinum, bivalve, valvula exteriore aris- 



tata, v. aristiformi. Squamulco 2 hypogynpe. Stami- 



na 3. Styli 2. Stigmata pluraosa. Flosculus neuter ex- 



terior, univalvis. 



Obs. Genus, cujus veram structurnm respectu flornm verti- 

 cillatorum olim suspicatus est Linnaeus, primum descripsit 

 Forskael. Nuperius Desfontaines characterem reformavit, 

 ejusdem vero descriptio floris hermaphroditi minus accu- 

 rata est. 



1. A. australis, glumis involucrisque imberbibus strigisve pau- 



cissimis, foliis vaginisque glabris, culmo tereti. (J. M. 

 D. T.) v.v. 



2. A.frondosa, glumis masculis barbatis, involucris foUaceis va- 



ginisquehirsutis, pedunculis villosissimis, cjihnd compresso 

 scabriusculo. (T.) v. v. 



ANDROPOGON. 



Andropogonis species. L. Schreb. 



Flores polygami monoici, spicati, spicis solirariis conjngatis fas- 

 ciculatisve. 

 Hermaph. Gtuma hillora, bivalvis, coriacea, basi barbata. 

 Flosculus exterior umvalvis, neuter : interior hermaphrodi- 



tus, 



