Triraphis.) CXLIV. GRAMINE, 605 
T. ? microdon, Benth.—An erect glabrous grass of 2 or 3 ft. 
Leaves narrow, flat or convolute. Panicle very loose, with long 
capillary branches, bearing each 1 to 3 large flat spikelets, on capillary 
e ; ikelets 
pedieels, at fi rect, at length pendulous. Spi - to 14- 
wered, 2 to 1 in. long, the rhachis with a tuft of short hairs under each 
flowering glume. Outer empty glumes narrow, acute, keeled, with or 
without a faint nerve on each side. Flowe ii glumes distant from 
each other, about 4 lines long, rigid with 5 very prominent nerves, 
of which the 3 rincipal ones produced into pee terminal points or 
teeth, the. central one rather the longest. 
N. S. Wal e Mountains, C. Moore. Munro thinks that this grass is 
incorrectly d i T eraphis, bui í can pagar ts no nearer affinity. 
70. TRIODIA, R. Br. 
and palea, free from tet 
The Australian species are all endemic, and include the troublesome prickly d 
grasses, sent by early collectors with the name of * Porcupine Grass," but, now more 
im erally and disagreeably known to explorers by that gr^ Spinifex,” totally dis- 
mnected however ‘with the botanical genus Spinifex. Besides t he Australian apoase 
t common Bur European grass and a few African ones have been referred to the genu: 
modia. 
Leaves yen pungent, the sheaths usually viscid. Flower 
ing oe s silky-ciliate, divided nearly to the middle 
"E d le 
Panicle ea and spreadi Spikelets dark, 4 in. lon 
- to 12- owered - m " s i 1. 7. Mitehelli. 
Panicle narrow and dense. ` Spikelets pale coloured, 3 
to 4 lines long, about dmg ered 9. T. pungens. 
Panicle long narro inei nse. Spikelets pale coloured, j 
very numero er3 3 lin 3. T. Cunninghamii. 
Leaves very punge eid the sheaths not viscid. Flow dis 
glumes silky-villous at tbe base € 3 sets of 3 nerves 
each, leading to 3 small — . 4. T. irritans. 
Leaves not pungent. ` Flowe pev mes s glabrous "or 
p SL 2 with 3 short oia y acute teeth, Panicle 
glume almost nerveless below theteeth 5. 7. procera. 
Spikelets 12 to 24. ce long, 3- or 4-flowered. Nerves 
= the € D continued below the teeth 
to the TR 
Spikelets $ to 3} lines long, about i dba 
Flo pesa 
