CYPERACEAE: Acc. to Hutchinson. 
1. 
ae 
3. 
oO 
<A 
SLU AC PH Tk 
a 
—s 
a 
x 
1 
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=> 
es 
2 ae 
e 
2 
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tricle peers’, Sg: unisexual - Tr 
S e e ee 
Utricle absent, fls , hermaphrodite . e 3 
Rachilla Hngked ¢ «4 # ali she \te Unainth’ 
Rachilla net hooked . . - + « « Garex 
Spikelets very few-fld. mostly 2-fld.? 
often 2 or more of lowest glumes empty - 
Rhyncosporea@® . « « « « « « « e@ ” 
Spikelets several to many-fld.; only 1 or 
rarely 2 of the lowest glumes empty . . .10 
Rypogyils scales of 6 perianth@like semts. 
ees eo eae o¥ébolus 
Hyp. seales modified into setae, or thin, 
or absent . . .« e se eee & © OG 
Hypogyniés setae absent it 
Hypogynous setae Presens : 
Style not swollen at base . 
Style swollen at base . . (Sel 
Hypogynous setae plumose . ‘ 
Hypogynous setae not plumose .. 
Glumes not distichous ..... » cladium 
Glumes distichous .« «+s «4 « , . 
Radilla flexuous and produced between the 
fils., or above the perfect flower .schvenus 
Heechilla not as above, seta accrescent .. 
¢ 86©¢ © e 6 e ° 2 +2 - Le idos ema 
Glumes distichous - Cypereae . . ; Mar 
Glumes not distichous - Scirpeae 
Rochella persistent .. , 
otyle 3-branched ... « « « « « mariscus 
Style 2-branched ... «2 «© © « « eed 
Hyppghous scales & setae absent. . | 
e, Pate pint stvits 
Hy pyzhous scale or setae ‘present | 
Stem TORELEO RS lower bract glume-like o 8 
spel 
*  e 
e 
a 
* * * © Fe *@ 
a. 
oll 
Wifi 
2 a Ll 
e e * ° 
ad =: -_ Fs BL charis _ 
Stems Leafy at “pase, “lower wie ny sone ume- 
like e e ro? a id * fe. e 2 e 6 ripus 
| g PRIS 
weervn uv 
used as s food, while in others they are bitter, tonic, and stimulating, and have st 
employed in medicine. Many species are serviceable for paper-making, or in the 
