FAMILIES AND SPECIES XXX vii 



Rubus hispidus L Running Swamp Blackberry. 



Rubus cimeifolius Pursh . . . Sand Blackberry. 



Rubus nigrobaccus High Bush Blackberry. 



Rubus nigrobaccus, var. sativus Short Cluster Blackberry. 



Rubus Allegheniensis Porter . Mountain Blackberry. 



Rubus argutus Link Leafy Cluster Blackberry. 



Rubus Canadensis L Thornless Blackberry. 



POMACEJE APPLE FAMILY 



Red or Reddish Purple 



Sorbus Americana Marsh. . . American Mountain Ash. 

 Sorbus sambucifolia (C. & S.) 



Roem Western Mountain Ash. 



Aronia arbutifolia (L.) Ell. . . Red Chokeberry. 

 Amelanchier Botryapium (L. f .) 



DC Shad Bush. 



Amelanchier Canadensis (L.) 



Medic Juneberry. 



Cratsegus Crus-Galli L. . . . Cockspur Thorn. 



Cratsegus punctata Jacq. . . Large-fruited Thorn. 



Cratsegus coccinea L Scarlet Thorn. 



Cratsegus macracantha Lodd. . Long-spined Thorn. 



Cratsegus mollis (T. & G.) Scheele Red-fruited Thorn. 



Cratsegus tomentosa L. . . . Pear Thorn. 



Black or Dark Purple 



Aronia nigra (Willd.) Britton . Black Chokeberry. 

 Amelanchier oligocarpa (Michx.) 



Roem Oblong-fruited Juneberry. 



Yellow 



Cratsegus uniflora Muench. . . Dwarf Thorn. 



Green 



Pyrus communis L Choke pear. 



Malus coronaria (L.) Mill. . . American Crab Apple. 



Malus angustifolia (Ait.) Michx. Narrow -leaved Crab Apple. 



