Hygrorhiza.] CLXXIII. GBAMINE^ (J. D. Hooker.) 95 



laterally exserted. Grain narrowly oblong, free within the membranous 

 glumes. 



XX. aristata, Nees in Edinb. New Phil. Journ. xv. (1833) 380 ; Steud. 

 Syn. Gram. 5; Thw. Enum. PL Zeyl. 356; Trim. Cat. Geyl. PI. 106; 

 Duthie Grass. N.W. Ind. 12, Fodd. Grass. N. Ind. 20; Aitchison Gat. 

 Panjab PL 157; Wall. Cat. n.8638; Wight Cat. n. 1739. Leersia aristata, 

 Roxb. Fl. Ind. ii. 207 ; Griff. Notul. iii. 3 ; Steud. I. c. Pharus aristatus, 

 Retz. Obs. v. 23. P. natans, Herb. Russel, ex Wail. L c. Zizania aristata, 

 Kunth Revis. Gram. i. 8, Enum. PL i. 10. Z. Eetzii, Spreng. Syst. ii. 136. 

 Potamochloa Retzii, Griff. Notul. iii. 3, 8, Ic. PL Asiat. t. 139, f. 147, & t. 

 140. Rheede Hort. Mai. x. t. 12. 



UPPER and LOWER GANGETIC PLAINS, ASSAM, CHITTAGK>NG, PEGHJ, the DECCAN 

 and CEFLON. DISTRIB. Tonkin. 



Stem as thick as a crow-quill, 12-18 in. long, with feathery whorled roots at the 

 nodes. Leaves 1-3 by f in., ovate -lanceolate to linear-oblong, scaberulous above ; 

 base and tip rounded, or tip acute and base cordate ; sheath broad, inflated, compressed, 

 mouth auricled ; ligule 0. Panicle 2-3 in. long, and broad triangular, branches few, 

 spreading, slender, lower whorled, often deflexed. Spikelets i in. long, pale green, 

 pedicels articulate with a red annulus below the middle. Glume dorsally convex ; 

 palea as long, awn longer than the gl. 



21. IiEPTASPIS, Br. 



Tall monoecious grasses. Leaves petioled, elliptic-oblong, flat, nervules 

 trabeculate. Panicle terminal, erect ; branches whorled, long, stiff, bearing 

 a raceme of spikelets at their tips, of which the upper are male. Spikelets 

 not jointed on the very short pedicels. MALE, glumes 3, I and II small, 

 ovate, empty, 5-7-nerved, spreading ; III paleate, hexandrous ; filaments 

 short, anthers long. FEM. a utricle open at the top, enclosing the ovary 

 and a linear palea, the tip of which is exserted. Lodicules small, truncate. 

 Styles 3, very long. Grain free within the inflated accrescent utricle. 

 Species 3 or 4, tropical Asia, Africa, and Australia. 



1. L. urceolata, Br. in Benn. PL Jav. Rar. 23, t. 6 ; leaves 7-12 in. 

 long-petioled elliptic-lanceolate or oblanceolate, branches of panicle many 

 stout, utricles turbinately pyriform. Wall. Cat. n. 8901 ; Miq. FL Ind. 

 Bat, iii. 374 ; Steud. Syn. Gram. 8 ; Thw. Enum. PL Zeyl. 357 ; Trim. Cat. 

 Ceyl. PL 106. L. zeylanica, Nees ex Steud. L c. L. manillensis, Steud. L c. 

 Pharus urceolatus, Roxb. FL Ind. iii. 611. 



PENANG, Roxburgh. JOHORE, King's Collector. CEYLON, Thwaites. DISTRIB. 

 Java, Sumatra. 



Rootstock creeping ; stem 2-3 ft. Leaves subdistichous, 2-4 in. broad, abruptly 

 acuminate ; petiole -2 in. ; sheath 3-10 in., flattened. Panicle 6-12 in. long ; lower 

 branches 6-10 in. Fern, spikelets in. long. 



2. Ii. cochleata, Thw. Enum. PL Zeyl. 357 ; leaves 4-10 in. shortly 

 petioled oblong- lanceolate, branches of panicle few slender, utricles oblong 

 incurved 5-ribbed tomentose with hooked hairs. Trim. Cat. Ceyl. PL 

 106. 



CEYLON ; in the Central Province, alt. 4000 ft., Thwaites. 



Stems 2-3 ft. from a procumbent base. Leaves 1^-lf in. broad, acuminate j 

 petiole j in. ; sheath 1-3 in. Panicle 6-8 in. ', branches 3-4 in., ternately whorled. 

 Fern, spikelets -fe in. ; glumes broadly ovate, acuminate. Utricle % in. long. Grain 

 not seen. 



