IlilcJicock — 'llic (,'rasscs of Hawaii ly^ 



Alony a moist cut : inlroduccd. Originally ck'scribed from India. 

 Hawaii: Hilo, Hitchcock 14186. 



2. Syntherisma chinensis (Nees). 



Pax/^ahiiii rhiiiciisis Xees in I IdoIc. iK: Arn. Tint. r)ccchey \'()y. 231. 1841. 



Pitsf^aliiiii iiiiinililloniiii Stfiul. S\'ii. I'l. Cliiiii. tm". 1854. Not Paspiilinn iiiiinai/hinnn 

 IX-sv. 1 83 1. 



Syntherisma hcllcri Nash, 'Minn. Hot. Stud, i :7()8. pi. 44. 1897. 



Culm.s erect, or decunibent at base, t^labrous, slender, 20 to 60 cm. tall : .sheaths glabrous, 

 compressed-keeled; ligiile a short membrane less than i mm. long; Ijlades linear, 5 to 15 cm. 

 long, 3 to 5 mm. wide, glabrous, .scabrous on the margins, sparingly pilose at base; racemes 

 2 to 6, slender, often curved, 4 to 10 cm. long, approximate at the sunnnil of the culm, the 

 rachis narrowly winged, glabrous, scabrous on the margins; spikelets elliptic, 1.5 mm. long, the 

 longer pedicel terete, scaberulous, less than i mm. long; first glume wanting; second glume and 

 sterile lemma alxjut equal, obscurely appressed-silky between the nerves, the glume 3-nerved, 

 the lemma 5-nerved ; fruit acute, as long as spikelet. 1)rown (fig. 61). 



This species was referred to S. longiflora (Retz.) Skeels by Hitchcock and 

 Chase," to Digifaria 7'io!asccns Link by Merrill," and to Panicum fiUfonne L. by 

 Hillebrand'"' as is shown by a specimen in the Gray Herbarium from a "Valley 

 behind Honolulu, Oahu," collected by the Wilkes Expedition and cited by 

 Hillebrand. 



A weed in fields, grassland and waste places: introduced. Oriiiinally 



described from China. 



Kauai: Olokele Gulch, Hitchcock 15260. ' 



Oahu: Honolulu. Ilitchcock 13712; Hauula, Karmer 16. Kalihi \^allcy, Hitchcock 

 14107. Mt. Tantalus, Hitchcock 13863. Schofield Barracks, Hitchcock 

 13941, 13977. Pauoa, Heller 2321 (type collection of Synfhcrisina hcllcri). 



Molokai: Pukoo, Hitchcock 15065. Kahanui. Forbes 261. 



IVTaui : Olinda, Hitchcock 14937. 



Hawaii: Kilauea, Faurie T300. Hilo, Hitchcock 14169, 14188; Newell in 1917. 



3. Syntherisma pruriens fTrin.) Arthur, Torreya 19:83, 1919. 



Paiiiciiin pruriens Trin. Gram. Pan. ^y. 1826. 



Dii^itaria eonsans:uinca Gaud, in Freyc. Voy. Uran. pjot. 410. 1830. 



Digifaria pruriens Pusse in Miq. PI. Jungh. 379. 1854. 



Paspaluni sanguinale var. pruriens Hook. f. Fl. Brit. Ind. 7:15. i8g6. 



Syufherisnia ennsani^iiiiiea Skeels. l\ S. Dei)t. .\gr. P.ur. PI. Ind. Pull. 282:33. 1913. 



Culms decumbent at base, as much as i meter tall, glabrous ; sheaths pik)se, often densely 

 .so; ligule rather prominent, membranaceous, 2 mm. long; blades flat, la.x, mostly 10 to 15 cm. 

 long, about 5 to 10 mm. wide, scabrous, hispid or sometimes velvety-pubescent ; racemes several 

 at the summit of the culm, erect, scarcely spreading even at maturity, 10 to 15 cm. long; rachis 

 winged, the margins scabrous; spikelets lanceolate, acute, 3 mm. long; first glume wanting, or a 

 mere ridge, sometimes as much as 0.2 mm. long; second glume oblong, obtuse, about i mm. 



"Hitchcock, A. S., and Chase. Agnes, Grasses of the West bidies: Contr. U. S. Xat. Herh. Vol. i8. 

 p. 294, 1917. 



"Merrill, E. 1)., .\n enumeration nf Philippine Gr.iminae : Philippine Jonr. Sci. \'ol. i. Siippl. 5, 

 p. 347, 1906. 



'■'Op. oil., p. 4')5. 



[75] 



