110 PANI('ACE.E. 



Tiilnis sleuder, ^eiiiculato. briuicliiiis: bi'low. ^'''-f.O cm. hi^h. 

 Loaves more or less pubescent tlirougliout : blades flat. 3-0 cm. 

 long, 4-7 mm. wide. Si)ikes 3-8, ap])r()ximate, spreading'', 4-8 

 cm. long, rachis triangular, flexuoso. Si)ikelets in pairs or threes, 

 ovate-lanceolate, 2.2 mm. long, pedicels 0.5-1. .5 mm. long, first 

 glume obsolete, second half as long as the floret, tliird smooth, 

 5-nerved. 



Florida, G. V. Nash 906, in 1894. 



High pine land along roadsides. 



4. P. SANGiiXALi: L. Sp. PI. 57(1753). Orab-orass. Fix- 

 GER-(}RASS. Difiitiu-ia sanguiualis Scop. Fl. Carn. Ed. 2, 1 : 52 

 (1772). Sipit/icrisma prwcox Walt. Fl. Car. 76 (1788). Paspalum 

 m)i(iui)w.Je Lam. Tabl. Encvcl. 1: 176 (1791). 



Culms erect or decumbent, branching below, rooting at the 

 lower nodes, 30-90 cm. high. Leaves often pubescent, blades flat, 

 very variable in length and width. Spikes 4-15, rarely 2-3. erect 

 or spreading, crowded within 2-3 cm. at the end of a long peduncle. 

 3-15 cm. long, the rachis usually flattened on the back, flexuose, 

 1 mm. or less wide. Spikelets in pairs, 1 snbsessile, the other 

 reaching half its length above the lower, the pedicellate spikelet 

 containing more pubescence than the other, oblong, acute, 2.5-3.5 

 mm. long, flrst glume minute, second lanceolate, about half as long 

 as the spikelet, pubescent or nearly smooth, 3-5-nerved, third 

 glume pubescent or nearly sn'0.,th, 5-7-nerved. fourth glume and 

 palea shorter, smooth. Grain flattened, oblong. 2 mm. long, the 

 embryo less than half its length. 



New Jersey, Srn'hurr 95 ; ^lassachusetts. licnl for M. A. CO: 

 Texas, Jciuipi/ for Nnt. Mus. 10. dcorf/rsoii 22 ; Xew York. Jieitl 

 for M. A. C. 11: Oregon. Ho well : Mexico. /V////^r 48, 269. 



Introduced from Europe into gardens, fields, and Avaste places. 

 A very common annual weed, thriving in warm weather. The 

 roots are very strong, making it ditticult to remove the plants. 



5. P. LI \KA UK Krock. V\. Sil. 1 :95 ( 1 7S7). Dif/ifaritf liumifHsa 

 Pers. Syn. 1:85 (1805). Si/iif/icn'sitifi f/hthni Srhviu\. Fl. (Jerm. 

 1:163 (1806). I'aspaliini nmbir/KHm T). C. Fl. Gall. 123 (1806). 

 ranicum gJabrum (iand. Agrost. 1:22 (ISll). 



