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Transactions.— Botany. 
* Spikelets usually more or less distant, or the upper ones alone 
approximate (often all approximate in 19. C. raoulii). 
Leaves semi-terete, usually red; glumes pale, almost white; 
perigynia plano-convex, smooth, margins serrate +. 16. C. buchanani. 
Leaves narrow, flat, keeled ; spikelets slender, loose-flowered ; 
glumes acute, cuspidate or EL perigynia turgid, 
smooth, polished, margins .. 17. C. lucida. 
Leaves narrow, flat, keeled ; a dosi D tera: 
terminal one sometimes partly female ; glumes rounded, 
obtuse; perigynia divaricating, unequally biconvex, 
smooth, with serrate margins 
Leaves broad, flat, not keeled ; omini spikelet ‘inion i in- 
variably partly female; glumes bifid, awned ; perigynia 
strongly nerved, with serrate margins .. . 19. C. raoulii. 
Leaves short, flat, keeled, coriaceous; male spikelet sioni 
perigynia dark coloured, almost black, biconvex, nerved 
and wrinkled, margins entire ex 20. C. devia. 
** Spikelets usually approximate (Gorino pre in 21, C. testacea) 
Culms slender, fiiliform, 1 to 2 feet, often much elongated in 
. C. dipsacea. 
fruit; perigynia plano-con . 21. C. testacea. 
Culms rather stout, 4 to 12 iin si horas than the 
leaves; perigynia unequally bicony . 22. C. wakatipu. 
Culms very short, stout, 1 to 4 nani goa cnemid 
by the leaves; perigynia plano-convex, slightly n 
Leaves often spirally twisted at the apex when ce .. 28. C. cirrhosa. 
Stigmas 3. Female spikelets either wholly unisexual, or with a few 
male flowers at the base or apex of the spikelet. 
* Perigynia quite glabrous, hardly spreading when ripe, beak short, 
stout. 
+ Small, 2 to 6 inches high. Culms extremely short, so that the 
spikelets are hidden among the leaves. 
Short, wd densely tufted; leaves flat, grooved; glumes 
broad. or rounded; perigynia broadly ovate, ^ dew: 
mica biconvex, serrate above.. 
Small, slender ; culms tufted but iia y i narrow, 
concave; glumes narrow-ovate; perigynia elliptic- 
oblong, trigonous or fusiform . se .. 25. C. uncifolia. 
tt Slender, 6-18 inches high; ave narrow, 4—4 inch, usually 
plano-convex; male spikelets solitary. 
Culms slender, flaccid; leaves longer than the culms, fili- 
form, keeled ; spikelets all sheathed, lowest one basal; 
perigynia trigonous .. .. 
Stouter, leaves with broad inating: pos mi fine olteti 
curled and twisted points; spikelets all sheathed and 
stalked ; glumes pale; perigynia dark, smooth and turgid 27. C. petriei. 
Culms filiform, shorter than the leaves; spikelets short, 
sessile or the lowest shortly pedunculate, perigynia lan- 
ceolate, plano-convex, margins serrate 
24. C. cryptocarpa. 
. 26. C. pulchella. 
is da .. 28. C. comans. 
