.",24 



IJiitisli India to soutlu-iji ('liiii:i. M;il;i\;t. cast Australia In I'dl.xiicsia. Abuii- 

 (laiit and widely dislrilmtfd in the I'liiliiijiincs. 'I\. T<ili'ihil<. 

 \ai-. luzonicum Hack, in DC. Monot;. I'lian. 6 (ISS'.i) 1 Hi. 

 LrzoN. {<'li(iini>fs(i) in lioib. lu'iol.. lidc liackt'l. 

 ICndeniic. 



(;?) Saccharum arundinaceum Rclz. Ohs. 6: 14: Hack, in DC. Monofj;. Plian. 

 8 (l.SS!») ]17: lliiok. f. l-'i. iiiit. Ind. 7 (IS'.t?) 11!»: Itcndle in Forbes & Hemsl. 

 .lotirn. i.inii. Soc. Itot. 36 iliHMi ;{4!l. Hriaii I li lis sp. I'il^cr in I'crk. Fra^^ Fl. 

 IMiilip. (1!)04) 1:57. 



MiNUORO, Baco KiM'r (17'.»4 M<irill) .\\)\\\. I'.tOM. MinDxWAo. Province of 

 Surigao. Catcl ( .■')44S Men ill) Ocloiier. 1!)0(); Lake Lanao, Camp Keithley (!}7a 

 Clemens) Jannary. I'.MX;. 



India and Ceyldii to ^dutlcrn Cliina. 



(ill POLLINIA Trin. 



K'aceiiK's usually di^italc, seldom airauiicd in panicles. Fii'st and 

 second cniptv ,u'hinies cliariaceoiis oi- ineinhranons. the tliii'd hyaline. 

 Flowerin^;- d'lunics awned fi'eni the apex oi' ri'oni the t'lel't ; awns twisted 

 or geniculate, rai'ely wantin^i;. 



SiMcies about ;>(i. tropical and snl)tr()])ical regions of the Old World; '.I in the 

 i'liilijjpines. 



1. Spikelets clothed with silky hairs. (Subgenus Eiti..\lia.) 

 2. Second glume awned. 



3. Awn 1 to 2 cm. long, short ciliate or nearly glabrous 



on the twisted portion (\)P. luiiriildtn 



3. Awn 3 to 5 cm. long, long ciliate-barbate on the 



twisted portion (2) P. irrilans 



2. Second glume muticous or mucronulate, not awned. 

 3. Hairs of the inflorescence white. 



4. First glume of the sessile spikelet -l-nerved.. (3) P. (luadriiicrris 



1. First glume nerveless (4) P. argcntea 



3. Hairs of the inflorescence ferruginous. 



4. Culms pubescent below the inflorescence ; 

 spikelets 4-5 mm. long ; awn of the fourth 

 glume 12-15 mm. long ; hairs of the inflo- 

 rescence ferruginous (5) /'. ciimiiiijii 



4. Culms glabrous below the inflorescence ; 

 spikelets 3.5 mm. long ; awn of the fourth 

 glume 6 mm. long ; hairs of the inflores- ■ 



cence cinereous-fulvous (0) /'. iiKiriliitia 



1. Spikelets usually hairy only on the callus, rarely also on the 

 keels. (Subgenus Lkptathkrum. ) 



2. Racemes exceeding 3 cm. in letigth ; stamens 3. 



.■'..Third glume wanting, the fourth minute (lo) P. sp. 



3. Third glume present. 



4. Articulations of the racemes pilose (7) P. imhrrhis 



4. Articulations of the racemes glabrous or 



obscurely ciliate (8) P. niiihi 



2. Racemes less than 3 cm. long; stamens 1 (») P. tenuis 



(]) Pollinia articulata Trin. in Mrni. Acad. St. IVtersb. W. 4 (IS.Sd) !M», 

 Mdis|>. fragilis \ar. setifoiia Hack, in l)(. .Moiioi:. I'iian. 6 (ISSil) l.->4: Pilycr 

 ill I'crk. iM-a;:. I''l. I'liilip. ll!Mlt) 1:{S. I'lilliiiin s<lifi>li<i Necs in ll("ik. i\cw 

 Card. .Misc. 2 ( I S.-)(l i SS ; .Mi.p Fl. In<l. lial. 3 llS.-)!l| .-):!1; F. \ ill. .\(.v. .\pp. 

 (lSS:n .Sir,: \i<lal l!ev. IM. \aM'. Filip. (ISS(i) I'M): I'lian. Cumin-;. Philip. 

 (IHSr,) l.-)S; Ccinn, Cat. I'l. Herb. (ISIfi) I S2. i'dllinlii art iruldtii I'". \ill. 1. c. 

 3lJ>, non Tiin. A iKlro/Kiiioii kon I rdstochi/s Trin. Mem. Acad. St. I'elersb. \1. 2 



