1922] SARGENT, FIRST FIFTY YEARS OF THE ARNOLD ARBORETUM 141 



Lythraceae 

 Decodon 



Nyssaceae 

 Davidia 

 Nyssa 



Araliaceae 

 Acanthopanax 

 Aralia 



Echinopanax 

 Hedera 



Cornaceae 

 Cornus 

 Helwingia 



Clethraceae 

 Clethra 



Pyrolaceae 

 Chimaphila 



Ericaceae 

 Andromeda 

 Arctostaphylus 

 Arctous 

 Bruckenthalia 

 Calluna 

 Cassiope 

 Chamaedaphne 

 Chiogenes 

 Daboecia 

 Enkianthus 

 Epigaea 

 Erica 

 Gaultheria 

 Gaylussacia 

 Kalmia 

 Ledum 

 Leiophyllum 

 Leucothoe 

 Loiseleuria 

 Lyonia 

 Menziesia 

 Oxydendron 

 Phyllodoce 

 Pieris 



Rhododendron 

 Tripetaleia 



Tsusiophyllum 



Vaccinium 



Zenobia 



Sapotaceae 

 Bumelia 



Ebenaceae 

 Diospyros 



Styracaceae 

 Halesia 

 Pterostyrax 

 Styrax 



Symplocaceae 

 Symplocos 



Oleaceae 



Chionanthus 



Fontanesia 



Forestiera 



Forsythia 



Fraxinus 



Jasminum 



Ligustrum 



Syringa 



Loganiaceae 

 Buddleia 



Apocynaceae 

 Vinca 



Asclepiadaceae 

 Marsdenia 

 Periploca 



Boraginaceae 

 Ehretia 



Verbenaceae 

 Callicarpa 

 Caryopteris 

 Clerodendron 

 Vitex 



Labiatae 

 Elsholtzia 

 Hyssopus 

 Lavandula 

 Perowskia 

 Teucrium 

 Thymus 



