SAXIFRAGACEAE (SAXIFRAGE FAMILY) 



2 a Leaves coarsely toothed, very fleshy 



LIVE-FOR-EVER. (S. teUphium.) 

 h Leaves entire or with wavy margins 3 



3 a Plant 3-12 in. long; leaves %-i in. long 



WILD STONECROP. (S. ternatum.) 

 b Plant 1-2 ft. high; leaves 2-3 in. long 



SHOWY SEDUM. (S. spectdbile*) 



2 SEMPERVIVUM HEN-AND-CHICKENS. (S. tectbrum*) 



3 COTYLEDON ECHEVERIA. (C. orbiculata.*) 



4 BRYOPHYLLUM BRYOPHYLLUM. (B. calyclnum*) 



3 PENTHORACEAE. Stonecrop Family. 

 i PENTHORUM DITCH STONECROP. (P. sedoides.) 



4 PARNASSIACEAE. Grass-of-Parnassus Family. 

 i PARNASSIA GRASS-OF-PARNASSUS. (P. caroliniana.) 



5 SAXIFRAGACEAE. Saxifrage Family. 

 i SAXIFRAGA. 



1 a Flowers irregular; plant cultivated in pots 



STRAWBERRY GERANIUM. (S. sarmentbsa.*) 

 b Flowers regular; plants not cultivated in pots 2 



2 a Leaves with the petiole attached to under side of blade 



UMBRELLA SAXIFRAGE. (S. peltata*) 

 b Leaves with the petiole attached at margin of blade. . 3 



3 a Leaves fleshy; plant cultivated in gardens 



THICK-LEAVED SAXIFRAGE. (S. crassifblia.*) 

 b Leaves not fleshy ; wild plants 4 



4 a Basal leaves 1-4 in. long; flowers white 



EARLY SAXIFRAGE. (S. virginiensis.) 

 b Basal leaves 4-10 in. long; flowers greenish 



SWAMP SAXIFRAGE. (S. pennsylvdnica.) 



2 TIARELLA FALSE MITREWORT. (T. cordi folia.) 



3 HEUCHERA. 



i a Plant cultivated in gardens; flowers *4 in. or more 



broad, red to white CRIMSON BELLS. (H. sanguinea.*) 



b Plant wild; flowers about ^4 in. broad, greenish 



ALUM-ROOT. (H. americdna.) 



4 MITfiLLA. 



i a Flowering stai* 2-leaved ; flowers white 



MITREWORT. (M. diphylla.) 

 b Flowering stalk leafless; flowers greenish 



NAKED BISHOP'S-CAP. (M. niida.) 



5 CHRYSOSPLENIUM. . .GOLDEN SAXIFRAGE. (C. americanum.) 



6 ASTlLBE JAPANESE ASTILBE. (A. japdnica*) 



ii 161 



