HARDY HERBACEOUS PLANTS. 163 



Wake Robin, Painted (T. erythrocarpuin). — White 



and purple; spring; 8 to 12 inches. 

 Wake Robin, Snowy {T. nivale). — Small; white; 



early spring; 2 to 4 inches. 

 Wood Lily {T. grandiflorum). — Large; white, chang- 

 ing to rose. 

 Violet, Canada ( FioZrt Canadensis). — Whitish; sum- 

 mer; 1 foot. 



Violet, Yellow ( V. puhescens). — Yellow ; spring ; 6 



to 12 inches. 

 Violet, Arrow-leaved (F. sagittata). — Purplish blue; 

 spring. 

 May Apple {Podophyllum peltatum). — White ; May ; 

 1 foot. 



CLASS VI. — AQUATIC AND BOG PLANTS. 



An interesting class of plants, and quite easy to grow, 

 where attention to their simple requirements is paid; re- 

 specting these, some information is given in Part IV as 

 to place and soil. 



Sweet Flag {Acorns Calamus). — Greenish ; sword-like 

 leaves; 2 to 3 feet. 



Green Dragon {Ariscema Dracontium). — Greenish; 

 divided leaves. 



Water Shield {Brasenia peltafa). — Dark purple; July. 



Calopogon {C. pulchellu.s). — An orchid; purple; 1 foot. 



Marsh Marigold {Caltha jmhistris). — Yellow ; spring ; 

 1 foot. Marsh Marigold, Double. — A variety of the above. 



Calypso, Northern {Calypso borealis). — An orchid ; 

 pink and yellow. 



Lady's Slipper, Showy {Cypripedium spectahile). — 

 White, crimson; July; 1 to 2 feet. 



Lady's Slipper, Small White {C. candidum). — 

 Greenish- white; 1 foot. 



