62 ABTIFICIAL KEY TO THE FAMILIES. 



Flowers simple, regular, pentamerous, and with exactly 10 stamens. 



1. Sepals 2 Purslane family, 148 



2. Sepals 3. Flowers green Musk-root (side fls.), 346 



3. Sepals 5, or calyx five-cleft. 



Flowers green (no corolla) Scleranthus, 166 



Flowers coloured or white. 



Plant destitute of green leaves; yellowish -brown ] J5ird's-7iest (lateral 

 scales instead of them / flowers) , 1C4, 538 



Plant provided with green leaves. 



A. Leaves trifoholate Wood-sorrel family, 105 



B. Leaves pinnate Biopliytum, 100 



c. Leaves simple and undivided. 



Flowers with stamens only; the ovaries being 



on difi'erent plants 



Flowers red Bose Lychnis, 143 



Flowers white White Lychnis, 142 



Flowers with both stamens and ovary or 



ovaries. 



A. 



Ovary helow thefloiver. 



Leaves strongly ribbed Melastoma family, 284 



Leaves not ribbed. 



Spotted with white Sonerila, 285 



No white spots. Flowers white; filaments 



dilated Deutzia, 319 



B. 

 Ovary free within thefloiver. 

 Ovary solitary. 

 Leaves in radical rosettes ; flower-stem leaf- 

 less Wintergreen, 132 



Stem clothed with leaves. 



Style solitary Ueath family (some), 127 



Styles 2 to 5 Carnation family, 140 



More than one ovary. 



a. Ovaries 2, or styles or stigmas diverg- 

 ing; stigmas sessile. 



Shrubs (leaves opposite) Hydrangea family, 238 



Herbaceous plants Saxifrage family , 224 



h. Ovaries exactly 5 or 10. 



Ovaries unconnected ; stigmas sessile; 



plant remarkably succulent Stonecrop family, 125 



Ovaries 0, attached to the base of &\ Geranium family (same), 

 long pillar ; stigmas 5, recurved J Ol> 



c. Ovaries more than 10 (iusignificaut mud- 



raud-plant) Frogwort, 80 



I). Irfsaves simple and divided, often very much so. 



Ovaries 2, divergent; stigmas sessile Saxifrage Family, 224j 



Ovaries ft, united ; stylo single, long, aod erect ; I 



.,*;., .„o. ^ _ Geranium Fnmibi. i':1 



