ECONOMIC "WOODS OF THE UNITED STATES 



145 



TABLE XV 

 Kinds op Rays in Indigenous Dicotyledonous Woods 



Genus 



Acacia 



Acer 



^!sculus 



Ailanthus (Nat.) 



Alnus 



Amelanchier 



Amyris 



Andromeda 



Anona 



Arbutus 



Arctostaphylos 



Asimina 



Avicennia 



Betula 



Broussonetia (Nat.)... 



Bumelia 



Bursera 



Carpinus 



Castanea 



Castanopsis 



Catalpa 



Ceanothus 



Celtis 



Cercis 



Cercocarpus 



Chilopsis 



Chionanthus 



Chrysophyllum 



Cladrastis 



Cornus 



Cotinus 



Crataegus 



Cyrilla 



Diospyros 



Eucalyptus (Int.) 



Fagus 



Ficus 



Fraxinus 



Fremontodendron 



Gleditsia 



Gordonia 



Guaiacum 



Gymnocladus 



Hamamelis 



Hicoria (Carya) 



Ilex 



Homo- 

 geneous 



X 

 X 



X 

 X 



Hetero- 

 geneous 



x 



X- 



X 

 X 



X 

 X- 



X 

 X 



X 



X 



X- 



-X 

 X 



X 



X 



-X 

 X 

 X 

 X 

 X 



X 



X 

 X 



-X 

 -X 



X 

 X 



X 



-X 

 X 



X 

 X 



X 

 X 



X 

 X 



X 

 X 



Genus 



Homo- 

 geneous 



Juglans 



Kalmia 



Leitneria 



Liq uidambar .... 

 Linodendron. . . . 



Magnolia 



Melia (Nat.) 



Mohrodendron. . . 



Morus 



Myrica 



Nyssa 



Ocotea 



Olneya 



Ostrya 



Oxydendrum 



Parkinsonia 



Paulownia (Nat.) 



Persea 



Planera 



Platanus 



Populus. . .' 



Prosopis 



Prunus 



Ptelea 



Pyrus 



Quercus 



Rhamnus 



Rhizophora 



Rhododendron... 



Rhus 



Robinia 



Salix 



Sambucus 



Sapindus 



Sassafras 



Sideroxylon 



Swietenia 



Symplocos 



Tilia 



Toxylon 



Ulmus 



Umbellaria 



Vaccinium 



Viburnum 



Xanthoxylum 



X- 



Hetero- 

 geneous 



x 

 x 



X 



X 

 X- 



X 

 X- 



X 



X 



X— 

 X 

 X— 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 



X 

 X 

 X 



-X 



-X 

 X 

 X 



X 

 X 



X 

 X 

 X 

 X 



X 

 X 

 X 



Arrows indicate transitions from the prevailing type. 



