ANDHOIHXiONK.E. 47 



Subspecies maritimus Haek., 1. e. Var. (jciininus Hack. J. 

 iiKtnlmniH Cluipni. Fl. 8. States. Suppl. Cn-S (KSSi>). 



Leaves and si>athes glabrous: blades 10 em. long. Spikelets 

 s.'ssile. 10 mm. long. Panicles or racemes 2-branclied. Si)atlies 

 acuminate. I'acenu'S 4-5 cm. long, stout, G-8-jointed; raeliis 

 subuiululate; pedicels densely clotbed on tlie margins with long 

 hairs; first glume of sessile spikelet ;i-5-nerved, long, jwiuted; third 

 light violet, awns 13 mm. long. Pedicellate spikelets 7-10 mm. 

 long; first glume 7-nerved, very short-awued; fourth also short- 

 awned. 



Florida, (Chapman. 



7. A. condensatus (Xees) II. I^. K. Xov. Gen. et Sp. 1 : 188 

 (1815). Schizavhyt'ium condenmiux Nees. Agrost. Bras. 333 

 (18-.>!)). 



(Uilms stout, 30-150 cm. high, paniculately branching. Sheaths 

 compressed, mostly shorter than the inti'rnodes; blades flat or con- 

 (lui)licatc, those of tlie sterile shoots 30-40 cm. long, those of the 

 culm shorter. "2-7 mm. wide, smooth or scabrous. Spathes \-'l cm. 

 loug, lanceolate, acute. Kacemcs short, loose, 2-8-jointed. more or 

 less wavy or zigzag; }(edicels of the sterile si)ikelets as long as the 

 fertile spikelet. Spikelets usually 4 mm. long, linear; first glume 

 chartaceo-mcml)ranous, linear-subulate, 2-toothcd. or acute; third 

 aliout the length of the first, lanceolate, nerveless, ciliolute: fourth 

 about the length of the secoiul, linear. 1 -nerved, glabrous, awn 

 12-15 mm. long. Palea 0. Stamens 3. 



Var. paniculatus (Kunth) Hack. Monog., 1. c. A. pnninila' 

 tuH Kunth, Knum. PI. 1 : 4!t4 (1S33). Pacemes exserted above 

 tlie spathes, or the base included. 



Mexico, State of San Luis Potosi. Prinf/lc 3134. 



8. A. semiberbis (Nees) Kunth. Knum. 1 : 48!) (1833). Srhizn- 

 chyrium srmihcrfip 'Scvs. Agrost. Bras. 330 (1820). A. oliijostach- 

 yvsV\\ii\nw. Fl. S. States. 581 (18()!»). 



Culms erect, leafy below, branching above. flO-150 cm. high. 

 Sheaths often barbate at the throat; blades smooth, glaucous, 

 keeled, the lower 30-40 cm. long, 4-5 mm. wide ; s])ikes solitary, 

 the terminal one barelv exserted. the lateral oiu's often half oi' more 



