74 SPRING FLOWERS. 



** Spikelets arranged in a compound continuous or inter- 

 rupted spike ; stigmas 2. 



t Hootstock creeping. 



C. intermedia : stems 1-2 feet high ; spikelets large ovoid, 

 simple, crowded into a terminal spike. Wet meadows. Fl. 

 May. 



ft Eootstock tufted. 



C. vulpina : stems 2-4 feet high ; spikelets numerous, 

 densely crowded into a terminal spike, interrupted at the base. 

 Wet places. Fl. May, June. 



C. remota : stems 12 feet high ; spikelets srcall, pale- co- 

 loured, widely separated ; bracts leaf-like. Moist shady places. 

 Fl. May, June. 



C. stellulata : stems 6 12 inches high; spikelets three or 

 four, oval-oblong or roundish, rather distant ; bracts not leaf- 

 like. Boggy places. Fl. May, June. 



*** Spikes separate, one or more terminal ones wliolly 

 (rarely partially) barren, the rest fertile. 



f Beak of the fruit entire, emarginate or shortly 2-toothed. 



J Nut plano-convex ; stigmas 2 ; barren spikes one or 

 more. 



C. acuta ; stems 2-3 feet high ; spikes cylindrical, dark- 

 coloured, the fertile 3 inches long or more; glumes narrow 

 and pointed. Wet places. Fl. May, June. 



C. vulgaris : stems 1 foot high ; spikes oblong, ^-2 inches 

 long, dark-brown ; glumes blunt. Marshes. Fl. May, June. 



JJ Nut three-cornered ; stigmas 3. 

 (a) Fruits smooth barren spikes terminal, solitary. 



C. panicea : stem 1-2 feet high ; fertile spikes about two, 

 erect, cylindrical, J-l inch long, loosely imbricated. Carna- 

 tion Grass. Marshy places. Fl. May, June. 



