Perotis.y clxxiii. geamineje. (J. D, Hooker.) 99 



LowEE Himalaya, ascending to 5000ft., from KunawurtoSikkiin. Plains oi' 

 India from the Panjiib to Burma and the Malay Feuinsula and southwards to 

 Ceylon. — Disteib. Affghau., Trop. Asia, and Africa. 



Stems stout and branching at the base, then ascending, 3-10 in., leafy. Leaves 

 ^1 in., ovate or lanceolate, base cordate ; sheath short ; ligule ciliate. Spikes 

 1-8 in. Spilcelets -fg-g in., contracted into a callus above the joint. Glumes 

 scaberulous ; awn very variable in length. — Bentham is, I think, right in his 

 suggestion that P. rara, Br., is not different from P. latifolia, and that there' is but 

 one species of Ferotis, varying greatly in the size of all its parts. 



27. ZOYSXA, Willd. 



A small, much branched, rigid, glabrous grass. Leaves subulate, 

 pungent. Spilcelets small, ovoid, 1-fld., spicate, subirabrioate, jointed on 

 and appressed to a rigid notched unjointed rachig, sessile or shortly pedi- 

 celled. Glumes 2; I empty, coriaceous, laterally compressed, shining, 

 nerveless, margins connate below, hyaline; II much smaller, membranous, 

 linear-oblong, obtuse, complicate; palea short, nerveless, hyaline or 0. 

 Lodicules 0. Siamevs 3, anthers long. Styles very long, distinct, stigmas 

 elongate. Cfrain free within the glumes. 



Z. pungrens, Willd. in Ges. Naturf. Fr. N. Sehr. iii. (1801) 441 ; £r. 

 Prodr. X. 208 ; Kunth Enum. PI. i. 471, S«ppl. 381 ; Beauv. Agrost. i. t. 4, 

 f. 1 ; Steud. Syn. Gram. 414 ; Wall. Cat. n. 3763 ; Wight Cat. n. 1728 ; Thw. 

 Enum. PI. Zeyl. 370 ; Trim. Cat. Ceyl. PI. 106 ; Mig. Fl. Ind. Bat. iii. 

 478 ; Kooh.f. Fl. New Zeal. i. 312 ; Benth. Fl. Austral, vii. 506 ; Buchanan 

 Grasses, N. Zeal. t. 13 A. ; Balcer Fl. Maurit. 442. Z. aristata, Brownii, 

 Griffithiana, & sedoides, C. Muell. in Bot. Zeit. xiii. (1855) 272, 273, 274. 

 Z. japonica, Wendl. etc Steud. I. e. 414. Z. sinica, Mance in Journ. Bot. vii. 

 (1869) 168, & in Journ. lAnn. Soc. xiii. (1873) 134. Z. setacea, Nees ex Steud. 

 Norn. Ed. II. ii. 801. Z. tennifolia, Trin. in Mem. Acad. Petersh. Ser. VI. 

 iv. Sc. Nat. ii. (1836) 96. Matrella juncea, Pers. S,i/n. i. 78. Panioum 

 Orinum-ursi, Bory ex Steud. Nam. I. c. 255. Milium maritimum,.jB9eM. ex 

 Wall. I. c. Ophiurus erectus, Seri. Wight, ex Wall. I. c. B. Agrostis 

 Matrella, Linn. Mant. ii. 185 ; Boxb. Fl. Ind. i. 317. 



Sandy shores of Inbia, Malacca, and Cetlon. — Distrib. Trop. Asia, Austral., 

 and Maurit. 



Bootgfock rigid, wiry j branches interlaced and rooting, sending up short leafy 

 stems, 6-10 in. high. I/eaves 1-3 in., coriaceous, usually spreading, margins 

 incurved ; sheath short, mouth ciliate. Spikes 1-1^- in. Spikelets |-^ in. 



Tribe IV. ANDEOPOGONEa!. (See p. 3.) 



28. COZX, Linn. 



A tall annual or perennial grass. Leaves long, broad. Spikes 

 numerous, axillary and terminal ; lower spikelets solitary, fern., enclosed 

 in an at length hardened polished nut-like bract, through the apex of 

 which the pedicelled male portion protrudes. Male spikelets 2-3-nate at 

 each node of the rachis, one sessile and one or two pedicelled, lanceolate ; 

 glumes 4, I and. II subequal, empty, rigid, or herbaceous.; 1 keeled along 

 the inflexed margins ; III and IV hyaline, paleate, triandrous or empty. 

 Fem.spikelets ovoid, acuminate ; glumes 4, 1 chartaceous ; II-IV successively 



H 2 



