KEY FOR JUNE TO NOVEMBER 



94 a Stamens 10 or less or flowers never double 95 



b Stamens 15 or more, or flowers double 101 



95 a Flowers yellow or yellowish; petals wanting 96 



b Flowers white 98 



96 a Stamens 5 or 10 Ledum. P 195 



b Stamens 4 97 



97 a Branches covered with whitish scales or hairs 



Elaeagnus. p 189 

 b Branches covered with reddish or brownish scales 



Hippophae. p 189 



98 a Flowers solitary or 2 together in the axils Ilex, p 181 



b Flowers in panicles or cymes 99 



99 a Stamens 10, the anthers opening by terminal slits; 



flowers fragrant Clethra. p 194 



b Stamens 4 or 5; flowers not noticeably fragrant 100 



ico a Shrub 2-5 ft. high; leaves toothed; flowers in panicles 



Ceanothus. p 184 

 b Shrub 8 ft. or more high ; leaves entire ; flowers in cymes 



Cornus alternifolia. p 194 



101 a Shrubs or trees with spines or thorns on the branches. . 102 

 b Shrubs or trees not with thorns on the branches 103 



102 a Ovary superior Prunus americana. p 169 



b Ovary inferior Crataegus. p 167 



103 a Leaves round-ovate; flowers V2-% in. broad, in corymbs 



Sorbus aria, p 167 



b Leaves and flowers not completely as in a 104 



104 a Flowers %-% in. broad 105 



b Flowers %-2 in. broad 107 



105 a Petals 4, yellow Ascyrum. p 186 



b Petals 5 or more 106 



106 a Leaves rounded, palmately lobed Opulaster. p 163 



b Leaves ovate to lanceolate Spiraea, p 163 



107 a Pistils 5; ovaries superior; flowers white. .Exochorda. p 164 

 b Flowers not completely as in a 108 



108 a Pistils numerous; petals pink-purple; leaves rounded, 



lobed Rubus odoratus. p 164 



b Plants not completely as in a 109 



109 a Flowers bright yellow; wild shrub. .Helianthemum. p 186 

 b Flowers not yellow no 



no a Filaments of stamens not united; tree cultivated for its 



fruit Cydonia vulgaris. p 168 



b Filaments of stamens more or less united in 



in a Sepals distinct, not subtended by bracts .... Stuartia. p 186 



b Sepals united at the base and subtended by bracts .... 112 



3 33 



