Perotis."] OLXXIII. GRAMINEJS. (J. D. Hooker.) 99 



LOAVES HIMALAYA, ascending to 5000ft., from KunawurtoSikkim. PLAINS OF 

 INDIA from the Punjab to Burma and the Malay Peninsula and southwards to 

 CEYLON. DISTKIB. Affghan., Trop. Asia, and Africa. 



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

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

 1-8 in. Spikelets To~6" ^ n - 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 t Br., is not different from P. latifolia, and that there is but 

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



27. ZOYS1A, Wi?ld. 



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

 pungent. Spikelets small, ovoid, 1-fld., spicate, subimbricate, jointed on 

 and appressed to a rigid notched unjointed rachis, 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, 4fc&4pfe*HM, hyaline or 0. 

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

 elongate. Grain free within the glumes. 



Z. pang-ens, Willd. in Ges. Ifaturf. FT. N. Schr. iii. (1801) 441 ; Br. 

 Prodr. x. 208 ; Jiunth Enum. PI. i. 471, Suppl. 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 ; Mia. Fl. 2nd. Bat. iii. 

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

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

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

 Z. japonica, Wendl. ex Steud. 1. c. 414. Z. sinica, Hance in Journ. Bot. vii. 

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

 Nom. Ed. II. ii. 801. Z. tefluifolia, Trin. in Mem. Acad. Petersb. Ser. VI. 

 iv. Sc. Nat. ii. (1836) 96. Matrella juncea, Pers. Syn. i. 78. Panicum 

 Oinum-ursi, Bory ex Steud. Nom. 1. c. 255. Miliurn maritimum, Koen. ex 

 Wall. 1. c. Ophiurus erectus, Herb. Wight, ex Wall. I. c. B. Agrostis 

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



Sandy shores of INDIA, MALACCA, and CEYLON. DISTRIB. Trop. Asia, Austral., 

 and Maurit. 



EootstocJc rigid, wiry ; branches interlaced and rooting, sending up short leafy 

 stems, 6-10 in. high. Leaves 1-3 in., coriaceous, usually spreading, margins 

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



Tribe IV. ANDROPOGONEJE. (See p. 3.) 



28. COIX, 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 spikelefs 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; I keeled along 

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

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



H 2 



