GENERA AND SPECIES. 
Style-branches 3; spikelets numerous, cylindrical, on 
long drooping stalks atts is 
Caustis. 
Branches robust, flattened; spikelets rather large; 
bracts pubescent 
Cladium. 
1. Spikelets when 2-flowered, the lowest fertile, 
its bract as long as the outer empty one. 
Panicle densely corymbose; stems very tall, leafy 
throughout ; leaves very long, broad- linear, flat, 
the keel and edges rough 
Panicle loose or narrow; leaves chiefly tadiball ‘ately 0. 
Leaves cylindrical; spikelets 2- or 3- flowered. 
Leaves hollow, transversely partitioned ; spikelets 
numerous, not clustered ; panicle lar ge, some- 
what drooping é 
Leaves solid, or ohacueel? pinion oes gnibatets 
densely clustered ; panicle erect ; bracts ciliate.. 
Leaves angular, or flat ith a prominent midrib ; spike. 
lets 1-flowered ; panicle hardly spreading .. 
Leaves vertically flattened, narrow; panicle aed 
Leaves very long, cylindrical, channelled, rough; stems 
very tall, leafy; spikelets crowded, in axils of long- 
pointed leafy bracts, forming a long narrow Boeche 
stamens 3 ; fruit narrow triquetrous 
Stems leafless except short points to the rete 
scales. 
Bract spreading, twice as long as the fruit 
Bract appressed, about as long as the fruit 
11. Spikelets when 2-flowered, the lowest sterile, 
its bract obtuse longer than the fertile 
one. (Gahnia). 
Stems leafy, very tall, or tall; leaves long with rough 
involute margins ending in long subulate points. 
Panicle long and narrow ; bracts with rigid erect 
points; stamens 4 to 6; stigmas 3; fruit obovoid- 
oblong, not angled. Resembles C. jilum 
Panicle very compound, with erect branches, black ; 
fruit triangular, minutely hc nae ; stamens 3 ; 
stigmas 3 > 
Panicle large with area disiick or dr ae Peaches 
fruit ovoid, scarlet ; stamens 4 to 6; stigmas 3, 
generally bifid 
185 
pseudocyperus 
pentandra 
mariscus 
articulatum 
glomeratum 
tetraquetrum 
schoenoides 
filum 
Gunnii 
junceum 
trifidum 
radula 
psittacorum 
