8. 



C. 



Walkeri. 



9- 



c. 



SPICIGERA. 



IO. 



c. 



LEUCANTHA, 



1 1. 



c. 



BACCANS. 



102 Cyperacem, [Carex^. 



Terminal spikelet wholly male. 



Fem. glumes 2-lobed, awned . . . 5. C. phacota. 

 Fern, glumes lanceolate, acuminate . . 6. C. Arnottiana.- 

 Stigmas 3, utricle trigonous. 

 Terminal spikelets, and sometimes lower also, 

 fem. below and male at the top. 



Spikelet solitary 7. C. rara. 



Spikelets many. 



Utricle more or less spinulose, ciliate, or 

 puberulous. 

 Spikelets very long, slender . 

 Spikelets very short. 



Utricle ciliate at the angles 

 Utricle puberulous all over 

 Utricle glabrous (spikelets bipinnately 

 spicate). 

 Utricle very strongly beaked . 

 Utricle long-beaked. 

 Utricle turgid, suddenly contracted 

 into the beak. 

 Stem stout, tall. 



Spikelets pale brown, opaque 

 Spikelets red-brown, shining 



Stem slender 



Utricle lanceolate, gradually con- 

 tracted into the beak . 

 Terminal spikelets wholly male. 

 Utricle not or shortly beaked. 

 Spikelets cylindric, dense-fid. . 



Spikelets slender, lax-fid 



Utricle long-beaked. 



Utricle tomentose 



Utricle glabrous. 



Spikelets f in., ovoid .... 

 Spikelets 2-4 in., cylindric 



1. C nubigena, D. Don in Trans. Linn. Soc. xiv. 326 (1824). 



Thw. Enum. 355. C. P. 2395. 



Fl. B. Ind. vi. 702. Boott, Carex, t. 2. 



Rootstock small, root-fibres very stout, tortuous ; stems. 

 \-2\ ft., tufted, rather stout, trigonous, smooth, leafy at the 

 base only; 1. as long as the stem and shorter, very narrowly 

 linear, T V m - broad, finely acuminate, erect, complicate, striate,, 

 . smooth, coriaceous, sheaths short, pale ; spikelets sessile, very 

 short, \~\ in. long, ovoid, densely or laxly spicate, sometimes 

 forming an oblong terminal head 1 in. long ; male fl. at the base 

 of the upper spikelets ; lower bracts up to 8 in. long, filiform,, 

 upper capillary ; fem. glumes \-\ in. long, ovate, acuminate 

 cuspidate or awned, awn of the lower sometimes as long 

 as the spikelet ; utricle |— \ in. long, lanceolate or ovate- 

 lanceolate, flattened, thin, closely many-veined on both 

 surfaces, margins scaberulous, tip acutely 2-fid ; nut muck 



12. 



C. 



INDICA. 



1.3- 



c. 



LlNDLEYANA.. 



14. 



c. 



ZEYLANICA. 



15- 



c. 



FILICINA. 



16. 



c. 



MACULATA. 



17. 



c. 



BREVISCAPA. 



18.. 



c. 



LIGULATA. 



19. 



c. 



JACKIANA. 



20. 



c. 



LOBULIROSTRIS,. 



