342 



(22) ZOISIA Willd. iZoi/sia Auct. i 



Spikes slender. Spikelets closely appressed ; eiiiph" ghuiic one coin- 

 pressed, keeled, coriaceous, sun'oimding the flowering glume and palea. 

 Creeping maritime grasses with erect flowering stems and rigid leaves. 



Species two or three, soutlicrii ;ni<l eastern Asia to tlie ^fascarene Islands, 

 Australia, and New Zealand: one in tlie niilip])ines. 



(1) Zoisia pungens W ilid. in (4es. Naturf. Fr. N. Selnift. 3 (ISO!) 441; 

 Mi.). Fl. Ind. Bat. 3 (1859) 859; F.-Vill. Nt)V. A]>\k ( ISS.'V) 31:5; Hook. f. Kl. Brit, 

 ind. 7 (1S97) 99; Rendle in Forbes & Henisl. dourn. I>inn. Soe. l!ot. 36 (1904) 

 ;!44; Pilfer in Perk. Fraji'. Fl. I'liiiip. (1904) 140; Tklerr. Philip. .Tourn. Sei. 1 

 (190()) Suppl. 2(). Af/roslis iiHitrclld Linn. Mant. 2: lsr>. Ostcnlmn iniu indlrclla 

 (). Knnt/.e Pvev. Gen. Pi. (1S91) 7S1. 



]jV7.os, INIanila (27 Merrill) April. 1902: Province of Bataan, Laniao (130:! 

 Mliilfurd) June, 1905. Panay. lloilo (Copchind) January, 1904. 



Tropical Asia, Malaya, Australia, and the Mascarene Islands. 



(Ldpixifio Kiccitiosa llonc\<..= Tr(if/us racemosus Scop., has been reported from 

 the l'iiili]ipines by F.A'iliar, Nov. App. (1883) 313, but his record has never 

 been verilied. The species is to be expected in the Philippines. Tropics of both 

 hemispheres. ) 



Trihe W. TRISTEGINE^. 



lets all perfect, 1 to 2-flowered. in panicled j'acemes. the rhachis 

 continuous. Empty glumes three, the third sometimes with a staminate 

 flower. Intermediate hetween Andropogonccv and Paidci'tv. 



(23) ARUN DIN ELLA lladdi. 



Spikelets pedicellate, usually in ]iairs on the panicle In'anches. the 

 pedicels of uncnpial length. I^'irst empty glume slioi'ter Ihan the otliei's, 

 the second frcnpiently awned. the thii-d awnless, usually enclosing a 

 staminate flowei'. 



Sjx'cies about 2.'). mostly in llie tnipical regions (d' the Old WOrld. a few in 

 Soutli America and Mexico: tliree in the rhilip)iines. 



1. Kourtli glume with three awns, the lateral ones short. capUlary (1) .-l. sclosa 



1. Fourth glume with a single awn. 



2. Spikelets about 2.5 mm. long ; a slender softly pubescent 



annual (2) A. uj/rosluidcs 



2. Spil<elets 4 to 5 mm. long; perennial (2) .1. ncpalcnsis 



(1) Arundinella setosa Trin. Diss. 2 (1824) (i3; (ham. Pan. (I82(i) 245; 

 Hook. f. Kl. r.rit. Ind. 7 (1S97) 70; Kendle in Forbes & Ib'msi. .Idurn. Linn. 

 Soc. I!..t. 36 (lilOl) .".42: K.Aill. .Xov. App. (1883) 318; .Mcrr. IMiilip. donrn. 

 Sei. 1 (190(») Suppl. 17'.'. AnniduicUd sirifid Nees in Hook. Kew. .loiirn. 2 

 ( 1.S50) 102; M'u\. M. Iiid. I'.at. 3 (1S.")!I) .■)2(). t. s,/nsd Trin. var. .^Irirld I'il-er 

 in I'erk. I'"ra--, fl. I'liili].. I 1 904 i 140. Dditl lion id lir.oiiirnsi.^ Sleiid. Syn. 1 

 (1855) 245; Mi(|. Id. Ind. I'.at. 3 (1859) 427; \ idal I'han. Cumin,-, i'liilip. 

 (1885) 159; Uov. I'l. \'asc. Kilip. (1880) 282: (Vron (at. 11. Ilrri). (1892) 

 184; 'F.-Vill. (1S83) 319. A ruiidiiirlld nrrrosa F.-N'ill. .\ov. App. (iSS:i) 31S? 

 non Nees. 



