OryzaJ] CLXXIII. GRAMINEJE (J. D. Hooker.) 93 



as long or twice as long as the gl. Kunth Revis. Gram. i. 185, t. 4, Enum. 

 PI. i. 7, Suppl. 4. O. officinalis, Wall. & montana, Ham. Wall. Gat. 

 n. 8635, 8633. 0. platyphylla, Sch.f. Syst. vii. II. 1364. 



Low valleys in STKZIM, ASSAM, SILHET, CACHAB, MUNNEPOBE, CENTBAL INDIA, 

 and BURMA. DISTRIB. Trop. As. Afr. aud Amer. 



Stems up to 6 ft., tufted, as thick as a swan's quill below. Leaves 1-2 ft. by 

 i-l in., nearly smooth, many -nerved ; midrib slender, shining beneath; sheath 

 very long. Branches of panicle 4-8 in., very slender ; pedicels and branchlets 

 bearded at the base. Spikelets &-% in. ; gl. Ill and palea hairy. 



Var. collina; gl. land II minute or 0. 0. sativa, Thwaites Enum. PI. Zeyl. 

 357. O. sativa var. collina, Trim. mss. Ceylon ; hills about Colombo and in the 

 Western Provinces. 



3. O. grranulata, Nees ei Am. in Wight Cat. n. 2354, ex Wall. Cat. 

 n. 8634; ligule very short, spikelets in simple racemes obtuse awnless ; 

 gt. I and II minute or 0, III and palea glabrous granulate. Steud. Syn. 

 Gram. 3. 0. filiformis, Herb. Ham. ex Wall. I. c. O. triandra, Herb. Heyne 

 ex Steud. I. c. Padia Meyeriana, Zoll. Sf Mor. Verz. 103 ; Miq. Fl. Ind. 

 Sat. ui. 373; Steud. I.e. 3. 



In dry woods; SIKZIM HIMALAYA, the KHASIA, and BEHAB HILLS. MALABAK 

 and MADUBA, Heyne, Wight, &c. CEYLON ; at llambukkana, Trimen. DISTBIB. 

 Jav:i. 



Stems 2-3 ft., slender, tufted. Leaves 3-6 by -| in., thin, midrib beneath and 

 nerves distinct; sheath very long. Racemes very slender, on very long slender 

 peduncles ; rachis flexuous, rarely with a short branch at the base. Spikelets shortly 

 pedicelled, in. long. 



4. O. Ridleyi, HooJc.f\ very slender, leaves thin nerves distinct, 

 ligule long, panicle with solitary alternate branches, spikelets -fc in., gls. 

 1 and II setaceous, III thinly chartaceous scabrid narrowly oblong 

 dorsally spinulose-ciliate narrowed into an awn of about its own length. 



MALAY PENINSULA ; Pahang, in dense thickets, Ridley. DISTBIB. Borneo. 



Sttm 2-3 ft., weak, as thick as a crow's quill below. Leaves 12 by f in., nearly 

 smooth ; sheath long, slender. Panicle 12 in.; branches sometimes 6 in. and rachis 

 very slender ; pedicels T \j - in. Habit of 0. granulata, but spikelets more 

 like O. coarctata. 



5. O. coarctata, Roxb. Fl. Ind. ii. 206 ; tall, stout, leaves coriaceous 

 caudate-acuminate spinulose-serrate nerves obscure, ligule very short, 

 panicle spiciform, branches few-fld., spikelets in., gl. I and II setaceous, 

 III narrowly dolabriform quite smooth dorsally winged tip narrowed into 

 a short rigid awn quite smooth. Wall. Cat. n. 8646 ; Griff. Notul iii. 8, 

 Ic. PL Asiat. t. 142, f. 1 ; Miq. Fl. Ind. Bat. iii. 371. O. triticoides, Griff. 

 Notul. I. c. Sclerophyllum coarctatum, Griff. I. c. 



SUNDEBBUNDS, Hamilton, Roxburgh, &c. SCIND, at Shikarpur (Herb. Duthie). 



Stem 4-6 ft., erect from a stout creeping rhizome, branching, smooth, hard, 

 polished. Leaves 6-12 by i- in., unequal-sided, rigid, smooth or scaberulous, 

 nerves and midrib obscure, tips long slender ; sheath long, undulately reticulate, 

 polished. Panicle 4-6 in., rachis and branches trigonous, stiff, quite smooth; 

 pedicels clavate at the top and then contracted below the dilated cupular tip. 

 Spikelets laxly imbricate, rigidly chartaceous ; gl. I and II not half as long as III, 

 erect; III strongly laterally often obliquely compressed, keeled, keel dilated above 

 into a rounded wing, obscurely 7-9-uerved, lateral nerves submarginal ; palea 

 chartaceous, as long as the gl., oblong-lanceolate, acuminate, plicate, 5-uerved, median 



