72 BULLETIN 179^ U. S. DEPARTMENT OF AGRICULTUEE, 



known, appears to be a hybrid of P. triflora with P. angustifolia 

 varians. 



Prunus mississippi Marsh., 1785, Arb. Amer., p. 112. "Crimson plumb." 



Marshall's description of this species does not admit of identifica- 

 tion. He says: 



This gi'ows naturally upon the Mississippi and is of larger size than most of the 

 other kinds. The fniits are crimson colored and somewhat acid. 



Prunus tawakonia Lindh., Gray, 1850, in Boston Jour. Nat. Hist., v. 6, p. 186. 

 Given only as a synonym of P. rivularis. 



Prunus triflora. Kaf., 1820, Ann. Nat., p. 11, 



Rafinesque's description of this is as follows: 



Arborescent, branches crooked and smooth, leaves subsessile, oblong lanceolate, 

 acuminate, crenate, subobtuse; umbels sessile, commonly triflora; calyx acute, petals 

 erose. A tree 20 feet high, probably a cherry tree. In the mountains of Pennsylva- 

 nia. Flowers numerous, white, smelling strongly of honey. 



LITERATURE CITED. 



1. Adair, D. L 



1869. Improvement of the native plum. In Amer. Jour. Hort. and Florist's 



Comp., V. 5, p. 139-148, illus. 



2. Bailey, L. H. 



1892. The cultivated native plums and cherries. N. Y. Cornell Agr. Exp. Sta. 

 Bui. 38, 112 p., 14 fig. 



3. 1893. Annala of Horticulture in North America for the Year 1892, 387 p., illua. 



New York. 



4. 1894. The native dwarf cherries. N. Y. Cornell Agr. Exp. Sta. Bui. 70, p. 255- 



265, 5 fig. 



5. 1898. Sketch of the Evokition of Our Native Fruits, 472 p., 125 fig. New York. 



6. Barry, Patrick. 



1852. The Fruit Garden ... 398 p., 157 fig. New York. 



7. Bartram, John. 



1751. Observationa on the Inhabitants, Climate, Soil, Rivers, Productions, Ani- 

 mals, and other Matters Worthy of Notice made by John Bartram in 

 his Travels from Pennsylvania to Onondaga, Oswego and the Lake 

 Ontario in Canada ... 94 p., 1 pi. London. 



8. Bartram, ¥/illiam. 



1791. Travels through North & South Carolina, Georgia, East & West Florida, 

 the Cherokee Country . . . 522 p., illus. Philadelphia. 



9. 1792. Travels through North and South Carolina, Georgia, East and West 



Florida, the Cherokee Country . . . 520 p., illua., map. Philadelphia 

 and London. 



10. Beadle, D. W. 



1872. Canadian Fruit, Flower and Kitchen Gardener. 



11. Bridgeman, Thomas. 



1840. Young Gardener's Assistant. Ed. 8. 



12. BuDD, J. L. 



1870. The Miner and Chickasaw plum. In West. Pomol., v. 1, no. 2, p. 18. 



