GRASS FAMILY. 



109 



10. Paspalum compressum (Sw.) Nees. Flat Paspalum. (Fig. 236.) 



spalnm t> istachyum Lam.Tabl. Kncycl. i: 176. 



1791? 

 filimn compressum Sw. Fl. Ind. Occ. i: 183. 



1797- 

 js/>a/ni plaiycanlon Poir. in Lam. Encycl. 5: 



34- l8 4- 



spalitm compressum Nees, in Mart. Fl. Bras. 



a: 23. 1829. 



Stolons numerous, leafy, sometimes 2 

 jng. Culms 6 / -2 tall, slender, compressed, 

 ibrous ; sheaths loose ; leaves glabrous, 

 jmetimes sparsely ciliate, obtuse, those of 

 ic culm 2' -4' long, 2"-$" wide, those of 

 the stolons about i' long, \"-2" wide ; 

 pikes 2-5, i '-2' long, approximate at the 

 unit of the long and slender stalk ; spike- 

 not crowded nor secuud, about \' f long, 

 :ute, the back of the flowering scale turned 

 Wong, away from the rachis. 



Virginia to Florida and west to Louisiana. 

 ridely distributed in tropical America. Proba- 

 not native in the United States. Aug. -Sept. 



xi. Paspalum paspaloides 



(Michx.) Scribner. Crab-j^ra I'.ispalum. 



(Fig. 237.) 



paspaloides Michx. Fl. Bor. A 



46. 1803. 

 Paspalum Michauvianum Kunth, Her. Gr 



1:25. 1835. 

 Paspalum Elliott ii S. Wats, in A. Gray, 



Ed. 6, 629. 1890. 

 Paspalum ;V.v/><7/.< /</<< Scribn. Mem. Ton Club. 



5: 29. if 



Culms i-2^ tall, erect, from an ex- 

 tensively creeping base, slender, glabrous. 

 Sheaths and leaves glabrous or pubescent, the 

 latter 2'-o' long, 3"-6" wide, obtuse ; spike* 

 !^/_3^' long, in pairs, or sometime* with 

 an additional one, near the summit of the 

 1-2 slender stalks, which are long-enerted 

 from the upper sheath ; rachis flat, al> 

 wide, scabrous on the margins, the inter- 

 nodes about equalling the sptkelets in length ; 

 spikelcts about 2" long, broadly lanceolate. 

 acute, not crowded ; outer scale* 5-nenred. 

 glabrous, the back of the third scale turned 

 away from the rachis. 



Moist ground, Maryland to Florida, wrs* to 



Texas. July-Aug. 



9. AMPHICARPON Raf. Am. Month. Mag. 2: 175- 



Erect perennial grasses, with flat leaves and spikelcts of two kinds; one kin 

 terminal panicles, deciduous without perfecting fruit ; the other solitary, ternunatic 

 ranean peduncles, and maturing seed. Scales 3, membranous, the innera 

 palet and a perfect flower ; the scales of the subterranean spikelets become u 

 enclose the grain. Stamens 3. Stigmas plumose. [Greek, in allusion U 

 of spikelets.] 



Species 2, inhabiting the southeastern United States, one of them restricted to Fl 



