534 



NEW JERSEY AGKICULTUEAL COLLEGE 



VI. Phyll ACTINIA. Leveille (1851). 



22. Phyllaclinia corylea (Pers.) Karst. 



Sclerotium Erysiphe var. corylea Pers., 1801, as above, 1885. 

 Fagacese, Castanea dentata (Marsh.) W. Va., O. 

 Fagacese, Fagus Americana Sweet. — Vt , O., Ala., Wis. 

 Ulmacefe, Ulmus Americana L. — 111., S. C , Ala. 

 Magnoliaceae, Liriodendron Tulipifera L. — Ind., 111., Ala. 

 Celastracese, Celastrus scandens L. — Vt., Ind., 111., Wis, S. D., Neb., Kan., 



Can. 

 Oleaceae, Fraxinus Americana L. — Ind., Can. 

 Bignoniaceae, Catalpa Catalpa (L.) — O., Ind., 111. 



The following is a preliminary list of the hosts of the powdery 

 mildews selected from among the plants that are more or less under 

 cultivation. The numeral following the name refers to the species 

 of mildew in the preceding list of mildews: 



Acer saccharinum L., 9. 



Acer saccharum March, 9. 



^Esculus glabra Willd., 11. 



iEsculus Hippocastaneum L., 11. 



Agrostis alba L., 21. 



American Ivy, 8. 



Ampelopsis quinquifolia Michx., 8. 



Apple, 1, 2. 



Ash, 22. 



Aspen, 7. 



Basswood, 12. 



Beech, 14, 22. 



Bittersweet, 22. 



Black walnut, 14. 



Buckeye, 11. 



Burning Bush, 14. 



Butternut, 14. 



Buttonwood, 14. 



Carya alba Nutt, 14. 



Castanea dentata Marsh., 14, 22. 



Castanea sativa Mill., 14. 



Catalpa 15, 22. 



Catalpa Catalpa (L.), 15, 22. 



Catalpa speciosa Ward., 15. 



Ceanothus Americana L.. 14. 



Celastrus scandens L., 22. 



Cherry, 1. 



Chestnut, 14, 22. 



Chrysanthemum, 20 (?). 



Crataegup, Sp,, 1. 



Cucumber, 20 



Cucumis sativus L., 20. 



Cucurbita Pepo L., 20. 



Dahlia variabilis Desf., 20. 



Elm, 10, 14, 22. 



Euonymus atropurpurea Jacq., 14. 



Fagus Americana Sweet, 14, 22. 



Fragaria cult., 4. 



Fraxinus Americana L., 22. 



Gleditsia tricanthos (L.), 14 



Gooseberry, 6. 



Grape, 8. 



Haw., 1. 



Hawthorn, 1. 



Helianthus annuus L , 20. 



Helianthus sp., 20. 



Hickory, 14. 



Hicoria (Carya) alba (L.), 14. 



Honey Locust, 14. 



Honeysuckle, 14. 



Hop, 3. 



Horse-chestnut, 11. 



Humulus Lupulus L., 3. 



Ivy, 8. 



Juglans cinerea L., 14. 



Juglans nigra L., 14. 



Kentucky blue grass, 21. 



Lancewood, 14. 



Lilac, 14. 



Linden, 12. 



