Ifilchcork — 77/r Grasses of IIm\'aU 207 



])ain]) iipcn woods or moist open ground; iiUroduccd. ( )riginally described 

 from India. 

 Oahu : Mt. Tantalus, near Halfway House, llilchcock 13877, 14076. Upper 



Manoa Valley, Hitchcock i},'/},2. 

 Hawaii: Kukuihaele, Rock 45K). Hilo, Hitchcock 14148, Newell in \^)\~. 



2. Chaetochloa verticillata (I,.) v^crilm. U. S. Dept. Agr. Div. Agrost. I'ull. 4:39. 1897. 



PaiiicHiii -rcrliciUatiiin L. Sp. PI. ed. 2. i 182. 1762. 



Sctaria I'crticiUata Beauv. Kss. Agrost. 51. 1812. 



Plants annual ; culms erect or decumbent at base, 30 to 60 cm. tali, or even as much as 

 I meter; sheaths keeled, glabrous; blades fiat, 5 to 15 cm. long, as much as 1 cm. wide or even 

 more, scabrous; panicle cylindric, dense, 2 to 8 cm. long, i cm. wide, somewhat lobed, the 

 crowded branches as much as i cm. long, the bristles below each spikelet 3 to 6 mm. long, 

 rctrorsely-scabrous ; spikelets oval, about 2 mm. long ; first glume about one-third as long as 

 the spikelet; second glume slightly shorter than the fruit; sterile lemma as long as the fruit: 

 fertile lemma obscurely transversely rugose (fig. 96). 



A weed in fields and waste jilaccs ; introduced. Ori£;inallv described from 

 the Old World. 

 Oahu: Honolulu, Hitchcock 13707, 14065; Newell in 1917. W'aikiki, Heller 



1 96 1, 2289. 



3. Chaetochloa lutescens (Weigel) Stuntz, U.S. Dept. Agr. Bur. PI. Ind. Inv. Seeds 31:36, 86. 



1914. 



Panicuiii liifrscciis Weigel, Obs. P.ot. 20. 1772. 



Plants annual ; culms erect or geniculate below, sometimes prostrate-spreading, rather 

 succulent below, as much as i meter tall but usually lower, scabrous below the panicle : sheaths 

 smooth, compressed-keeled ; blades as much as 25 cm. long and i cm. wide, flat, twisted in a 

 loose spiral, the upper surface along the upper half faced downward, acuminate-pointed, often 

 glaucous, toward the base on the upper surface beset with long lax hairs ; panicle dense, evenly 

 cylindric, spikelike, yellow at maturity, mostly 5 to 10 cm. long, about i cm. thick, rounded at 

 the summit, the axis denseh' pubescent, the branches mostly less than I mm. long, the cluster 

 of bristles below each spikelet usually more than 5. sometimes 20 or more: bristles antrorsely 

 scabrous, yellow, the longer ones 2 or 3 times as long as the spikelets ; spikelets about 3 mm. 

 long, oval ; first glume about half, the second about two-thirds as long as the spikelet ; sterile 

 lemma equaling the fruit, the palea well developed ; fertile floret strongly transversely rugose 

 (fig. 102). 



Thi.s .species has usually been called Chaetochloa i^hiuca (L.) Scrilin. or 

 Sctaria glanca Beauv., but the basis of those names, Panicitiii i^hviciiiii !<., jirop- 

 erly applies to the ])earl millet ( Pcnnisctum ghiiiciiiii (h.) R. Br.) 



A weed in fields ; introduced. Originally described from Europe. 

 Hawaii: Waimea, Hitchcock 1446 1. 



4. Chaetochloa geniculata ( Lam. ) jMillsp. & Chase, Field Mus. Dot. 3 -.c-ij. 1903. 



Paniciiiii gcniculatinii Lam. Encycl. 4:727 (err. typ. 757). 1798. 



Sctaria piirpurasccns PL B. K. Nov. Gen. & Sp. 1:110. 1816. 



Panicuni imbcrhe Poir. in Lam. Encycl. Suppl. 4:272. 1816. 



Plants perennial, producing short knotty branching rhizomes as much as 4 cm. long; 

 culms erect, spreading or prostrate, tufted or solitary, as much as i meter tall, the base usually 

 hard and wiry ; sheaths keeled : blades flat, scabrous, villous toward the base on the upper sur- 

 face, mainly straight (not twisted as in C. lutescens), as much as 20 cm. long and 8 mm. wide; 



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