228 CLXXvin. GRAMINE/E. (J. D. Hooker.) [Aristida. 



Duthie Grass. N.W. Ind. 26, Fodd. Grass. N. Incl. 47; Boiss. Fl. Orient, v. 

 496. A. ciliata, Steud- . fy Hochst. ex Steud. Norn. Ed. II. i. 131 (non Desf.). 

 A. decora.ta, Steud. Syn. Gram. 421. A. paradisea, Edgew. in Journ. As. 

 Soc. B'encj. xvi. (1847) ii. 1219. A. pogonoptila, Boiss. I.e. A. Schimperi, 

 Hochst. et Steud. ex Steud. 1. c. 143. Arthratherum ciliatum, Nees in 

 Linnsea, vii. (1832) 287, Fl. Afr. Austr. i. 182. Arth. elatum, Boiss. Diagn. 

 Ser. II. iv. 128. Arth, hirtiglume & posonoptilum, Jaub. & Spach, III. 

 PL Orient, iv. 52, 56. Arth. Schimperi, Nees Fl. Afr. Austr. 178. 



The PANJAB, Jacquemont, Falconer, &c. PESH-AWUE, &c., Stewart. SCIND, 

 Herb. CalcutL DISTBIB. Westward to Egypt and Abyssinia. 



Perermial. Stem stout at the base, slender and 1-2 ft. high. Leaves 3-8 in., 

 convolute, filiform, flexuous, tips capillary. Panicle very slender, branches very 

 short, erect, capillary. Spikelets pale green or straw-colrd. ; gls. I and II not or 

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

 bearded ; awn straight, articulate in the gl., column twisted, plumose as well as the 

 middle branch. 



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

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

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

 much shorter naked of extreme tenuity. Valil Symb. i. 11, t. 3 ; Trin. 

 Dfss. i. 181, ii. 26; in Act. Petrop. (1829) 89 ; Trin. & Rupr. I.e. Ser. YI. 

 v. (1842) 165 ; KuntJi Enum. PL i. 195, ii. 151 ; Steud. Syn. Gram. 143 ; 

 Aitchis. Cat. Panjab PL 164; Boiss. Fl. Orient, v. 495; Duthie Grass. 

 N.W. Ind. 26, Fodd. Grass. N. Ind. 47. A. brachypoda & Forskahlii, 

 Tausch. in Flora (1836) 506; Boiss. 1. c. 495, 496. A. lanata, Forsk. Fl. 

 JEgypt. Arab. 25. A. Raddiana, Savi in Mem. Moden. (1837) 198; Steud. 

 1. c.- 144. Arthratherum plumosum, Nees Fl. Afr. Austr. i. 182. 



WESTERN TIBET ; Iskardo, alt. 7700 ft., Clarke, DISTBIB. Turkestan, Persia, 

 N, Africa. 



Perennial. Stem 1-2 ft., from a stout branching woody stock with stout ri^id 

 roots. Leaves 2-6 in., rigid, filiform, convolute, flexuous. Panicle 2-3 in. (excl. 

 the awns) very narrow. Spikelets erect; gls. I and II | in., not awned; III callus 

 bearded, column of awn in., very slender, hardly twisted, glabrous; middle branch 

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



UNDETERMINABLE SPECIES. 



A. RIGNESCENS, Roem. 8f Schult. Syst. ii. 400 ; Steud. Syn. Gram. 141. A. rigida, 

 Heyne ex Roth. Nov. <Sp. 42 (non Cav.) ; Kunth Enum. PL i. 197. Arthratherum 

 rigidum, Schult. Mant. ii. 212). May be A. Hystri. 



60. STIFA, Linn. 



Tufted perennial grasses. Leaves usually convolute. Spikelets loosely 

 panicled, terete, 1-rld., rarely dorsally compressed, rachilla forming a 

 thickened or narrow callus below gl. III. Glumes 3, I and II empty, 

 persistent, keeled, acute, rarely awned ; III rigid, convolute, terete, 

 narrowed into an entire or notched or 2-fid tip, with a long terminal bent 

 usually deciduous awn, column of awn twisted rarely straight ; palea 2- 

 nerved, closely embraced by the gl. Lodicules 3, large. Stamens 1-3, tips 

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

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

 tropical. 



'Dr. Stapf has aided me greatly in this difficult genus. 





