Ihtiiicock — The (trasses of Ifatcaii i8i 



Moist grassy slopes, common in tlie belt below the forest ; apparently intro- 

 duced. Oiginaily described from tlie Society Islands. 

 Kauai : IJhue, Forbes 479. 



Oahu: Hauula, Farmer 11. Nuuanu Pali, Hitchcock 13792. Alakiki. Heller 1971. 

 Schofield P.arracks, Hitchcock 13930, 13935, '3978- Mountains east of 

 Schofield Barracks, Hitchcock 14020. Mt. Tantalus, Hitchcock 13S79. 

 Manoa Valley, Hitchcock 13730. Honolulu, Forbes 1717. Without locality, 

 Mann & Brigham 59; Remy 103; Seeman 2249 (last two in Gray Her- 

 barium). 

 Molokai : Pukoo, Hitchcock 15054. 

 Hawaii: Hilo, Hitchcock 14192; Newell in 1917. Kukuihaele, Rock 4527. 



5. Paspalum dilatatum I'oir. in Lam. lincvcl. 5 :33. 1S04. 



Plants perennial; culms erect. 50 to 100 cm. tall: sheaths glabrous, or the lower villous; 

 blades _c:labrous, flat, 10 to 25 cm. long, mostly 5 to 8 mm. wide, often pilose at base; racemes 

 niostl)' 4 to 6, 3 to 7 cm. long, rather lax and spreading, pilose at the base, the lower distant 

 2 to 3 cm., the rachis i nun. wide; spikelets ovate, 3 to 3.5 mm. long, silky-villous on the 

 margins (fig. 69). 



Along roadsides and in grassland: escaped from cultivation. Originally 

 described from Argentina. 

 Kauai : Lihue, Forbes /7,y. 

 Oahu: Honolulu, near United States Experiment Station, Hitchcock 14072. 



Schofield Barracks, Hitchcock 13981. 

 Molokai: Central part, Hitchcock 15 153. 

 Hawaii: Papaaloa, Forbes 325. Kukaiau Ranch, Hitchcock 14214. Hilo, Newell 



in 1917. 



This species is ])roying of yalue as a pasture grass in the grazing areas of 

 the southern islands at medium altitudes, 2000 to 6000 feet. 



6. Paspalum larranagai .Vrech. .\nn. Mus. Nac. Montevideo 1 :6o. pi. 2. 1894. 



Paspalum ivscyanum Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 17:32. fig. 328. 1899. 



Plants perennial; culms erect, i to 1.5 meters tall; sheaths glabrous, or the lower hispid, 

 pilose around the throat; blades flat, 15 to 30 cm. long, about i cm. wide, glabrous; inflorescence 

 narrow, virgate. the racemes several to many, appressed or ascending, 3 to 10 cm. long, the 

 rachis i mm. wide; spikelets ovate, 2 mm. long, densely long-silky on the margins (fig. 70). 



This species dilTers from P. dilatatum in the more numerous racemes, yir- 

 gate panicle, and smaller and more silky spikelets. It is found in the United States 

 from North Carolina to Texas. Probably introduced. 



Along roadside ; introduced or escaped from cultiyation. Originally 

 described from Uruguay. 

 Oahu: Manoa Valley, Hitchcock 13737, 14081. 



36. PANICUM L. 



Spikelets more or less compressed dorsiventrally, arranged in open or compact panicles, 

 rarely in racemes; glumes 2, herbaceous, nerved, commonly very unequal, the first generally 

 minute, the second typically equaling the sterile lemma, the latter of the same te.xture and simu- 



[83] 



