4. P. debile, Michx. New Jersey to Florida. 



5. P. dilatatum, Poir. (P. ovatum, Trin.) Virginia to Texas. 



A tall stout species 3 to 5 feet high. It has been cultivated in 

 the South, and is highly recommended. 



P. dilatatum, var. virgatum, Yasey. Louisiana to Texas. 



This variety has more numerous, erect, and close spikes. 



6. P. distichum, L. Southern States to Arizona. 



7. P. digitaria, Chapman. Southern States. 

 S. P. elatum, Richard. Florida to Texas. 



9. P. Floridanum, Michx. Virginia to Texas and Arkansas. 

 P. Floridanum, var. glabratum, Engelni. Virginia to Texas 

 and Arkansas. 



This species and its variety are tall, strong, and vigorous growing 

 plants, and would probably be of agricultural value. 



10. P. fluitans, Kih. (Ceresia fhiitans, Ell.) South. 



11. P. gigantenm, Baldw. Florida. 



12. P. lseve, Michx. Massachusetts to Texas. 



Professor Phares, of Mississippi, says he has a neighbor who has 

 been feeding this grass for twenty-live years, and for many years 

 has had a meadow of it from which, without ever having been seeded, 

 he annually mows about two tons of hay per acre. 



13. P. lentiferum, Lam. (P. praseox, Walt.) Southern States. 



14. P. lentiginosum, Pre-sl. Alabama to Texas. 



This species spreads by runners and makes a dense close turf. 



15. P. lividum, Trin. Texas to Mexico. 



16. P. monostachyum, Vasey. (P. rectum, JYees /) Southern Florida. 



17. P. notatum, Flugge. Near the Gulf coast. 



18. P. platycaule, Poir. (P. compressnm, Xees.) South Carolina 



to Texas. 



A low running species which makes a close matted surface, and 

 has been recommended as a valuable pasture grass. 



19. P. plicatulum, Mie/u: Florida to Texas. 



20. P. purpurascens, Ell. North Carolina to Texas. 



This species is very leafy, and spreads by its rooting lower joints. 

 It is very succulent, and deserves trial in cultivation. 



21. P. racemulosum, Nutt. Florida to Louisiana. 



