174 XXVIII. GRAMiNE.E. [Panicu7n 



Sect. n. — Hymenachne. 



20. P. indicum L. Mant. p. 184 (1771); Steud., I.e., p. 84. 

 PuNGO AxDONGo. — Wooded marshy meadows near Pedras de 



Guinga ; March 1857. Xo. 2826- 



Var. elatum Hook. f. Flor. Brit. Ind. vii. p. 42 (1896). 

 PuNGo AxDoNGo. — Damp wooded meadows between Condo and 

 Quisonde : March 1857. Xo. 7411. No. 2844 (no information). 



21. P. interruptum Willd. Sp. PI. i. p. 341 (1797) ; Steud., I.e.. 

 p. 66 ; Durand it Schinz, I.e., p. 751. 



GoLUXGo Ai.To? — Xo. 2963 (no information). 



PuxGo Amiongo. — A grass 3 to 4ft. high, with flaccid leaves. Banks 

 of the Calunda stream ; Jan, 1857. Xo. 2715. 



The spikelets in both numbers are blunter than usual in the 

 species. 



22. P. seslerioides Eendle sp. nov. 



Rhizome tough, rounded, whitish in colour, aerial stems slender, 

 erect, leafy to the middle, and ending in a short oblong crowded 

 spike; leaves nari-ow, suberect, subrigid, blade linear-tapering and 

 like the sheath plicate at the strong midrib ; ligule white, mem- 

 branous, truncate, oixter edge ciliate ; upper margins of the sheath 

 and upper face of the blade sparsely haii-y ; spikelets sessile, 

 ovate, generally acute, glabrous, purplish ; glume I. ovate, obtuse, 

 with a broad amplexicaul base, submembranous, 3-nerved, scarcely 

 half the length of gl. III. ; gls. II. and III. subequal, broadly 

 ovate, subrigid, with 7 rather prominent nerves, II. acute, III. sub- 

 acute and paleate, containing a (J flower ; fertile gl. small, 

 colourless, very broadly ovate and blunt, quite smooth, with 5 

 inconspicuous nerves, enclosing a $ flower. 



Rhizome 1 to li lines in thickness, bearing whorls of roots at 

 its well-marked nodes. Plants 14 to 16 in. high, forming a small 

 tuft of shoots, one of which elongates to bear the spike. Leaf- 

 sheaths narrow, striate, closely appressed to the stem, 1 to 1-^ in. 

 long in the radical leaves, i^eaching 2^7 in. in the cauline; blades 

 from 1^ to 6 in. in length, U} to scarcely 1 line in gi-eatest width. 

 Spikes fr in. long by I In-oad ; spikelets If line long. Glume I. 

 f line long, gl. II. scarcely 1^ line, gl. III. I}, line, fertile gl., 

 wdiich is quite concealed within gl. II., only 1 line. 



Near P. indicum, but distinguished by its stiiking SesleriaAike 

 habit, with its tufts of erect rigid leaves, its long erect scape and 

 short oblong crow^ded inflorescence. 



HuiLLA. — Xene heights, on the stream ; April 1860. Xo. 2636- 



23. P. myosuroides R. Br. Prodr. p. 189 (1810) ; Steud., I.e., 

 p. 56; Durand and Schinz, I.e.. p. 755. 



HuiLLA. — Woody meadows between Lopollo and Catumba ; May 

 1860. No. 2700. Xo. 7502 (no information). 



24. P. huillense Rendle sp. nov. 



Plants annual, glabi'ous, 3 to 6 in. high ; radical leaves nari-ow 

 linear-plicate or with involute margins, sheaths rather broad, and 



