PLANTS COMMONLY OR BADLY INFESTED. 37 



Crataegus spr Hawthorn. Britton, Conn.; Lintner, Felt, N.Y. ; Alwood,Va.; Smith, 



N. J. 

 Cnitsegus cor data Solsind. Koehler, Conn. 



Qratxgus oxyacantha Linn. English hawthorn. Britton, Koehler, Conn. 

 Cfatxgus coccinea Linn. Koehler, Conn. 

 Crataegus crus-galli Linn. Koehler, Conn. 

 Cydonia vulgaris Pers. Common quince. Britton, Conn. ; Lintner, N. Y. ; Alwood, 



Va. 

 Cydonia japonica Pers. Japanese or flowering quince. Britton, Koehler, Conn. ; 



Lintner, N. Y. ; Alwood, Va. ; Johnson, Md. 

 Fagus sylvatica Linn. var. purpurea Ait. European purple-leaved beech. Smith, 



N. J. ^ 

 Juglans sieboldiana Maxim. Japanese walnut. Britton, Conn. ; Alwood, Va. ; Sher- 

 man, N. C; Smith, N. J. 

 Ligustrum vulgare Linn. Common privet. Alwood, Va. 



Populus sp. Poplar. Britton, Conn. ; Smith, N. J. ; Sanderson, Del. ; Felt, N. Y. 

 Popidus dtltoides Marsh. Carolina poplar. Britton, Conn. ; Rolfs & Quaintance, 



Fla. ; Alwood, Va. 

 Popidus nigra 'Linn. var. italica Du Roi: Lombardy poplar. Britton, Koehler, Conn.; 



Rolfs & Quaintance, Fla.; Alwood, Va. 

 Prunus amy gdaJMS intakes. Almond. Lintner, N. Y. ; Alwood, Va. 

 Prunus armeniaca Linn. Apricot. Lintner, Felt, N. Y. ; Alwood, Va.; Smith, N.J. 

 Prunus avium Linn. Sweet cherry. Britton, Conn. ; Lintner, Felt, N. Y. ; Alwood, 



Va.; Smith, N. J.; Cockerell, N. Mex. 

 Prunus pumila Linn. Koehler, Conn. 



Prunus pumUa var. hesseyi Waugh. Sand cherry. Alwood, Va. 

 Prunus ceraslfera Ehrh., var. atropurpurea Dipp. {P. pissardi). Purple-leaved plum. 



Britton, Conn. ; Felt, N. Y. 

 Prunus domesticaJAnn. European plum. Britton, Conn.; Alwood, Va. 

 Prunus hortulana Bailey. Wild goose plum. Alwood, Ya. 

 Prunus japonica Thunb. Flowering almond. Britton, Conn.; Felt, N. Y. 

 Prunus maritlma Waugh. Beach plum. Koehler, Britton, Conn, 

 Prunus persica Sieb. & Zucc. Peach. Britton, Koehler, Conn.; Lintner, Felt, 



N. Y. ; Alwood, Va. ; Cockerell, N. Mex. 

 Prunus triflora Roxbg. Japanese plum. Britton, Koehler, Conn. ; Alwood, Va. 

 Prunus serotina Ehrh. Koehler, Conn. 

 Prunus virglniana Liinn. Choke cherry. Koehler, Conn. 

 Ptelea trifoliata Linn. Hop tree. Fernald, Mass. 

 Pyrus communis Linn. Pear. Britton, Koehler, Conn.; Lintner, Felt, N. Y. ; 



Alwood, Va. ; Cockerell, N. Mex. 

 Pyrus sinensis Lindl. Sand pear, including Kieffer. Alwood, Va. 

 Pyrus haccata Linn. Koehler, Conn. 

 Pyrus malus Linn. Apple. Britton, Koehler, Conn.; Lintner, Felt, N. Y.; Alwood, 



Va.; Doten, Nev.; Cockerell, N. Mex. 

 Pyrus sp. Crab apple. Britton, Conn. 

 Rlhes oxyacantholdes Linn. Gooseberry. Britton, Conn.: Lintner, Felt, N. Y. ; 



Alwood, Va. ; Troop, Ind. 

 Rihes aureum Pursh. Missouri or flowering currant. Lintner, N. Y. 

 Ribes rubrum Linn. Currant. Britton, Conn.; Lintner, Felt, N. Y. 

 Ribes nigrum Linn. Black currant. Alwood, Va. 



Rosa sp. Britton, Conn. ; Lintner, N. Y. ; Alwood, Va. ; Cockerell, N. Mex. ; Bur- 

 gess, Ohio; Troop, Ind.; Gould, Md. ; Scott, Ga. 

 Rosa Carolina Linn. Koehler, Conn. 

 Rosa lucida Ehrh. Koehler, Conn. 



