OpUurus.] CLXxiii. QRAMiNF^. (J. D. Hooker.) 161 



Wow, solid, branching upwards, leafy throughout. Leaves |-2 ft. by i-1 in., flat 

 (eonvolatein vernation), linear-lanceolate from a rounded base, finely acuminate, 

 airj above, margins spinulose ; sheaths short, terete, upper leafless; ligule very 

 wort. Spikes corymbosely fascicled, 2-5 by ^V in. diara., erect, often in very dense 

 J«<;'cle8, shortly peduncled ; joints as long and 'broad as the spikelets, tips obliquely 

 |^"<ate. Spikelets ovate-oblong, obtuse, clabrous : grl. I smooth or scrobiculate, at 

 length recurved. 



49. RATZESURGZA, Kunth, 



A tufted slender perennial grass. Spikelets 1-fld., superposed in opposite 

 F^ on a slender simple compressed subfragile spike, each pair sessile on 

 far n u- ^^-^^^^^^^ dorsally strongly compressed and appressed face to 

 one ^-^^^^^Sjite one), rachis prolonged aloncr the margins of the pairs on 

 Glu^\j'^^^^ the rachilla of a neuter along the opposite edges. 

 Vet* • thickly coriaceous, flat, oblong, deeply pitted, terminated with 

 Wi r^^^^^^^^ wings, margins strongly tubercled ; II thinly coriaceous, 

 BmaXr T"^*^' glabrous; III oblong, obtuse, hyaline, epaleate; IV 

 W ^^^ ®" -^^^^^^^'e* obliquely quadrate. Anthers 3, short Stigmas 



Bnp 



StoWp ^^ ^^S^^° ^*^^ the Petroleum Wells, WalUch ; Upper Burma, ColleU. 



Stolonifpr ^^^^"^ ^''"^ ^^'"^ Petroleum ' ._ , 



H mawrin 'm • \ ^^^"^ ^~1S ^"-i geniculate and leafy below. Leaves 1-3 in., narrow, 

 ,:J?*^in8 thickened .; 15^ _._... compressed; ligule short. SpikeU2m., 



Pedicel ' ' ' 



jndth 

 lobei 



! peduncle very slender with 2-3 long-sheathed leaves below ; joints und 

 neuter alike, incurvpd. n>if.«c*.lir ono-ior? hpnrdpd alonff the inner angle 



f-^ i 





** , 





50. EIiXOMUaUS, irwOT&. & Bonpl 



with silky hairs, 



pedicelled; 

 Sessile 



'*'^«'«<» dor«!?i ' °^*^gins thickened, tips obliquely truncate, ^...o-- 

 •'^I'racine IT ? compressed, 1-fld. ; glumes 4, I coriaceous, entire or 2-fad, 

 ?PtvDalfla+-.^ ^*^ margins; II narrower, membranous; III hyaline, 

 "^n^lv Qn«1 ''^. "^""^ ' ^"^ «™all, hyaline, paleate or not, awn 0. Lodiculea 

 >*^no.coavex / ®- o^«^^«^* 3, short. Styles short, free. Grow narrow. 

 Back,.! , —^P^cies about 15, tropical and subtropical. 



h'^''>P')5onJl'ir.u^'''^ EZion«r«s differs from RottboelUem and agrees with 

 r^^liei Ji T . *''' ^""'••^ ««^sne spikelet falling away with the joint, whereas m 

 ^ Aromatic oil JV,*'-'""^"^^^ """^ " «»"<J "I persistent in the hollow of the joint. 

 ^ ot iLhonurixs is contained in the glumes. 



!"^' spib^fn®*",.^*' ^'"^'^ e^ ^- -K'cL Tent. Fl. Abyss, ii. 471; annual, 

 S°'ed into H fi^*",^^ «^ch sheathed, gl. I of sessile spikelet lanceolate 

 fi^^- Sn^ li ^^*^> margins with penicillate tubercles. Ill and IV 

 i«^. «,„.?£«• iTonor^r. A^S^^^ 'iAo.^ n.wj;. a,-nj,.t: N.W. Ind. 17, 



F- ^errf 'if; -^'^^- 28, t. 64. K. Grisebachii, .S-c^m/tZf 5ci^r. IL Ins. 

 ^-^-^il^ .Kottboellia elegantissima, Hochst. ^ Steud. ex hteud. 

 ^'■«'>i. kl\f- Andropogon elegantissimus & Grisebachii, Steud. 



:^ vn. ^ *' '^^^' Ratzeburgia Schimperi, Steud. Norn. I. c. 439. >. -^ 





... 



-.%,-;^ 



