I t 



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140 CLXXiii. GRAMiNEiE. (J. D. Hooker.) [Isclmmum. 



lanceolate acute 1-nerved awnless glabrous, palea as long as the gl.^ Pedicelld 

 spikelet awnless, pedicel very short ; gl. I linear-lanceolate, flat, acumiuate maDV- 

 uerved.— The Panj-.ib, ut Busahir, I/iiegeZ.— Hackel describes this as very ^''^^ }- 

 semisajittatum, and makes of it a subgenus of I schamum, characterized by the 

 solitary spike, stout joints, and awnless spikelets, closely connecting Ischcemum witn 



RotihoMie^, 



I. LONGisPiCATTTM, Mwnro ex Buthie Grass, N.W. Ind. 18, name only. 



tlH 



88. ZSasmOCKIiOA, Buse. 



Perennial grasses. Leaves more or less eqnitant, rigid. ^ Spihelets 1-na., 

 flat, secnnd, solitary, sessile at each internode of a terminal narrow com- 

 pressed spike, with a rndimentary pedicelled. Glumes 4, I nearly fiat, 

 oblong, smooth, coriaceons, not awned, margins pectinate ; II ovate-lanceo- 

 late, acuminate, chartaceous, 3-nerved ; III hyaline, oblong, obtuse, paleate, 

 male; IV smaller, hyaline, oblong, obtuse, 1-nerved, fem. or bisexaal; 

 palea oblong-lanceolate. Lodicules obliquely truncate. Stamens 3, anthers 

 long. Stigmas short, feathery. — Species 8, E. Asia and Australia. 



1. S. muricata, Eack. Monogr. Androp. 262; gl. I ^^^^^^? °^^ 



oblong with 2 fan-shaped terminal wings, ^gilops ciliaris, Koen, in ^«^ 

 Srhrift. Ges. Nat Berl iv. (1810) 210; Boem. Sf Sch. SysL ii. 772 ; W 

 NotuL iii. 110, Ic. PL Asiat t. 158 {excl. 4 upper left-hand figs^)- ^' 

 muricata, Betz. Obs. ii. 27. Ischsemum pectinatum, Trin. in Mem, Ac(^' 

 Fetersh, ISer. vi. ii. (1833)296; Wall Gat. n. 8847; Thwaites -^«"^-.y 

 ZeyL 436; Trim. Cat. Geyh PL 107. I. ciliare, Nees in Serb. Wtg^. 

 n. 1717 {not of Wight Gat.). Andropogon pectinatus, Stetid. Syn. (^^^' 

 369. Rottboellia muricata, Betz, L c. iii, 12. 



South Dkccan Pekinsula, Koenig, &c. CetloK; Trincomalee, Oleme- 

 DiSTEiB. Australia. , t-j 



Quite glabrous. Stem 6-18 in., compressed. Leaves 3-6 by ^-} in., ^^^P^J*'" ^JJ 

 npiculate. Spike 2-5 in., linear ; rachis glabrous, brittle, not excavated. Sp«^^^ 

 i in,; gl. I nearly orbicular, dorsally slightly convex, many-nerved, wings ^^^"* j^ 

 spines very many, upcurved, nearly as long as the gl. is broad. Pedicelled spl^^ 

 a single lanceolate acuminate coriaceous nerved gl. with thin indexed margins. 



2. E. bimaculata. Rack. Monogr. Androp. 265 ; gl. I elliptic s^^ 

 acute with 2 small low rounded terminal wings, spines shorter tban the g 

 is broad. Ischasmum pectinatum, Benth. FL Austral, vii. 521. 



Upper Burma ; near the Serpentine Mines, Gri^tA.— Disteib. Australia. ^^ 

 Habit, &c. of E. muricatay but leaves much narrower, narrowed at the ^ ^^ 



tip; spikes more slender; spikelets much narrower, with fewer nerves and soo 



spines, callus puberulous. 



3. S. zeylanica, Hack. Monogr. Androp. 263; gl. I elliptic obscurelj 

 winged at the subacute tip, spines longer than the gl. is broad. ^^f"}i^ 

 Ceyl. PL 107. Ischfemum pectinatum, Wight Gat. n, 1717. I. falcatuiu, 

 TAw. Enum. PL ZeyL 436. 



* r_ 



Ceylon, Walker, Thwaites (C.P. 3327). ? Dbccan Peninsula, Wight. . ■ 

 Habit, size of spikelets, Ac. as in himaculata, of which it is probably o^*^ . 

 variety, differing chiefly in the long spines of gl. I and glabrous callus. 



*r - 



4. E. leersioldes, Raclc. Monogr. Androp. 264 ; gl. I narrowly obloc« 

 ite. sninea anbftrfir».f. Innfrnr +V1QT1 fVin rA la Kt./:.o/1 Ta^iifnTnnm leersioi^. 



acute, spines suberect longer than the gl. is broad. Ischfemum 

 Munro in Proc. Amer. Acad. iv. (1864-5) 363 ; Benth. FL HongJc. 42o 



