PL end. ph . 
9. CYPERACEiE. 32. Carex. 
43 
Synoptic view of the species. 
1, Spikes quite simple. 
Root creeping; 
fruit short, spreading C. dioica. 1 . 
Root fibrous ; culm roughish ; 
fruit rounded at bottom, becomes reflexed C. DcivalUana. 2. 
Root fibrous ; culm smooth ; 
fntit sharp at both ends, becomes reflexed C. pulicaris . 3, 
2. Spikes compound ; spikelets sessile , androgynous . 
a. Spikelets aggregate , capitate . 
Spikes linear ; 
fruit oblong, depressed C. simpliciuscula . 4, 
Spikes ovate ; fruit ovate, beaked C. incurva . 5, 
b. Spikelets panicled. 
Spikelets compressed, not two-rowed, 
female above and below, male between . . C. intermedia . 10, 
Spikelets two-rowed, 
male above, female below, androgynous between ; 
stem crooked ; root creeping . C . arenaria. 11, 
Spikelets two-rowed, 
male above, female below, androgynous between ; 
stem erect; root fibrous C. IVitheringii. 12. 
Spikelets loose, branches distant, 
male above, female below; glumes brown; 
fruit small, shining, not diverging C. paniculata. 7. 
Spikelet contracted, 
male above, female below ; glumes ferruginous ; 
fruit small, shining, not diverging .... C. tereiiuscula. 6. 
Spikelet decompound, 
male above, female below ; culm thick, very acute ; 
fruit large, green, diverging C. vulpina. 9. 
Spikelet short, simple, oblong, interrupted, 
male above, female below ; 
fruit large, green, diverging C. muricata . 13, 
Spikelet elongated, branchy at bottom, 
male above, female below ; 
fruit large, green, diverging C. divulsa . 8, 
c. Spikelets alternate , male in the upper part . 
C. diuisa. 14. 
