THE TASMANIAN FLORA. 253 



6. C. CHLOEANTHA, M. Br. Commonly 3-4 inclies high, rarely much longer. 

 Stems grooved. Leaves flat, narrow, shorter than the stems. Spikelets nsually 

 4-6, in a terminal spike, the subtending bract short or (in tall slender specimens) 

 exceeding the spike. Male flowers numerous, interspersed. Utricles about 1^ 

 line long, flattened, with a short neck, margin minutely ciliate. 



Avoca, Blessington, and. numerous iocalities in the north, Southern forms 

 appear to approach more closely stunted forms of C paniculata. It also occurs 

 in South Australia, Victoria, and New Sputh Wales. 



7. C. VULGARIS, Fr. Tufted. Stems angular, 3-6 inches. Leaves usually 

 longer, linear, flat. Spikelets linear to narrow-oblong, f-2 inches long, few, 

 distant, sessile or nearly so, at intervals towards the apex of the stem, the lower 

 ones subtended by long leafy bracts'; the upper one male, lower ones female. 

 Glumes oblong, usually very obtuse, in the female spikelets at least ; purple- 

 brown when the fruit is ripe. Utricle flat, oblong, naiTowing into a short neck, 

 1-1| line long, closely imbricating^ C gaudichaudiana, H., C. ceespitosa, L. 

 (partly). ■ ' , 



Very common throughout the Island ; also temperate Australia, and temperate 

 climates generally throughout the world. 



8. C. FLAVA, Linn. Tufted. Stems 6-12 inches. Leaves flat, smooth, longer 

 or shorter. Male spikelet terminal, solitary. Females about ^ inch long, 1-4, 

 sometimes dispersed, with a long, leafy, subtending bract, but in Tasmanian 

 specimens usually clustered close below thei male. Utricles ovoid. If line long, 

 spreading, neck about f line long. C. cataractcs, R. Br. 



Lake Country, near Launceston, East Uoast, &c. 



9. C. PUMILA, Thun. Creeping, emitting stems at intervals, 6-12 inches: high. 

 Leaves flat, much exceeding jtho stems. Spikelets few, nearly sessile, dispersed, 

 ■each subtended by a leafy bract ; 1-3 terminal ones male, linear. Female spikelets 

 about 1 inch long ; glumes oblong, acute, dark. Utricles father spreading, 

 convex, ovate, 3 lines long, corky, tapering into a short neck. C. littorea, Lab. 



Common on coasts, except in the south ; also South Australia,. Victoria, New 

 South Wales, Queensland, New Zealand, Eastern Asia, and South- Western South 

 America. 



10. C. BBEViCtJLMls, R. Br. Tufted, stems usually very short, often 1-2 inches, 

 but not always so. Leaves flat, exceeding the stems. Spikelets few, close 

 together in the stunted, distant in the taller forms, sessile or nearly so. Male 

 ■spikelet solitary, linear, terminal. Female spikelets narro*, ^-1 inch, pale green. 

 Glumes narrow, with rather long subulate points. Utricles, about 1 line, oblong, 

 convex, usually minutely hispid, striate, narrowed into a short neck. 



Very common in pastures ; also South Australia, Victoria, New South Wales, 

 to New Zealand ; also India to Japan. 



11. C. QtVTsmKSk, Boott. Tufted, stems usually 1 foot, but sometimes dwarfed 

 to 1 inch. Leaves flat, 3-4 lines broad, with a conspicuous midrib. Spikelets 

 few, distant except where dwarfed, shortly stalked. Male spikelet terminal, 

 usually solitary. Female spikelets l-\\ inch. Glumes 1^ line, obtuse, except 

 for the shortly-protruding midrib. Utricles 2 lines long, convex, with a few 

 slight ribs, tapering into a fairly long neck. 



Longley, JDerwent River above Bridgewater, Rocky Cape, Mersey River, &c. ; 

 also in South Australia, Victoria, and New South Wales. 



12. C. BARBATA, Boott. Very similar in general habit to the last. Leaves 

 narrower, without a conspicuous midrib. The male spikelet usually contains a 

 few female flowers towards the base, and the' female ones usually with a few 

 males at the apex. Glumes as in the last, but the utricles about 1-1 J line long, 

 fiat, with faint ribs, tapering into a short neck. 



Longley, Claremont, above Bridgewater, in swamps. 



