228 CLXxiii. GRAMiXE-E. (J. D. Ilookcr.) [Ariifida. 



Duthie Grass. N.W. Ind. 26, Fodd. Grass. N. Ind. 47; Soiss. Fl. Orient.^. 

 496. A. ciliata, Steud. ^ Hochsi. ex Steud. Norn. Ed. IT. i. 131 {non Desf.). 

 A. decorata, Steud. Syn. Gram. 421. A. paradisea, Edgaw. m Journ. As. 

 Soc. Beng. xvi. (1847) ii. 1219. A. pocronoptila, Boiss. I.e. A. Schimpen, 

 Jlochst. et Steud. ex Steud. I. c. 143. Arthratherum ciliatutn, iVee* in 

 Linnma, vii. (1832) 287, Fl. Afr. Austr. i. 182. Arth. elatutn, Bo^ss. Diagn 

 Ser. II. iv, 128. Arth. hirtiglume & posonopiilnm, Jauh. & bpach, ill. 



Fl. Orient, iv. 52, 66. 



Af^ 



The Panjab, Jacquemont, Falconer, &c. Peshawub, &c., Stewart. SciNP, 

 Herb, CalcutL—Di&i&iB. Westward to E^ryp^ ^^^^ Abyssinia. 



Perenuial. Stem stout at the hase, glender and 1-2 ft. lugli. Leaves d-» in.j 

 couvolute, filiform, flexuous, tips capillary. Panicle very sleuder, branches ve y 

 short, erect, capillary. Spikelets pale green or straw-colrd. ; gla. I and II no o 

 hardly awned, hairy or glabrous ; I J in. ; II rather shorter ; III muriculate, cauu 

 bearded ; awn straight, articulate iu the gl., coluaia twisted, plumose as well as tne 

 middle branch, 



11. A- plumosa, Linn, Sp. PL Ed II. 1666 ; stem slender, panicle 

 narrow, branches very short, gls. I and II subequal, III glabrous ^^^^^J^^ 

 awn capillary middle branch 2-3 in. plumose above naked below, later^ 

 mnch shorter nated of extreme tenuity. Vahl Sj/mh. i. 11, t. 3; !'_• 

 Biss. I 181, ii. 26; in Act Petrop, (1829) 89 ; Trm. & Pupr. I.e. her.^^J^-^ 

 ▼.(1842)165; Kunth Enum, PI. i. 195, ii. 151 ; Steud. Syn. Oram.W. 

 Aitrhis. Gat. Paujah PL 164; Boiss. Fl. Orient, v. 495; Duthie Lrra>^: 

 N.W. Lid. 26, Fodd. Grass. N. Lnd. 47. A. brachypoda & Forska&n, 

 Taiisch. 171 Flora (1836) 506; Buiss. he. 495,496. A. lanata, Forsk.J^' 

 ^gypt. Arab. 25. A. Raddiana, Savi in Mem. Moden. (1837) 198; bte^^' 

 /. r. 144. Arthratherum plumosum, Nees FL Afr. Austr. i. 182. 



Western Tibet ; Iskardo, alt. 7700 ft., CZarfee.— Distrib. Turkestan, PersU, 



N. Africa, .^1^1 



•nuial. Stem 1-2 ft., from a stout branching woody stock with s*"p"^ }^^^|^ 

 luubs. Xeaves 2-6 in,, ri^id, filiform, convolute, flexuous. -P^^**^^^ ^~^^^JV Lnus 

 the awns) very narrow, Spikelets erect; gls. I aud II I in., not ^^^'"^*^.^ ,, i j^^ocb 

 boarded, column of awn I in., very slender, hardly twisted, glabrous; middle 

 strict, silvery, lower I naked, lateral about ^ in, long, 



UNDETERMINABLE SPECIES. 



A. R(GNESCENS,i?o^w. S' Schnlt, Sy.<^L ii. 400 ; Steud. Syn. Gram. 141. -*' ^^J^^j^J 

 Heyne ex Roth. Nov. Sp. 42 {non Cav,) ; Kunth Fnum. PL i. 197. Arthratne 

 rigidmn, Schult. Mant. ii. 212).— May be A. B^strix. 



Perenuial. 

 roots. 



60. STZPA. Linn. 



Tufted perennial grasses. Leaves usually convolute. Spikelets \oo ^ 



panicled, terete, 1-tid., rarely dorsally compressed, rachiUa f{*r^ ^ty, 

 thickened or narrow callus below gl. III. Glumes 3, I and H ^^^^^^^^ 

 persistent, keeled, acute, rarely awned ; III rigid, convolute, t ^^^ 

 narrowed into an entire or notched or 2-fid tip, with a long termma^^^^^o- 

 usually deciduous awn, column of awn twisted rarely straight ; P^^^pJ 

 nerved, closely embraced by the gl. Lodicules 3, large. Stamens l-^^^^^^ 

 of anther-cells bearded or naked. Grain narrow, terete, free witni , 

 tightly embraced by the gl. and palea.— Sp. about 100, temperate 



tropical. 



Dr. Stapf Las aided me greatly in this diflBcult genus. 



I -I 



b - 





■ H 



I 



■:■! 



■^s 



