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‘ petals white; plants of moist meadows 4 G, Richardsonii 
+ Petals rose-purple; plants of dry meadows 
4 Calyx-lobes 8-11 mm, long; plant glandular 
“ but not viscid 4 Ge incisum 
4 Calyx-lobes 10-15 mm, long; plant viscid¢ G,. viscosissimm 
smc bow 
