48 Annals of thk Carnk(;ie Musku-m. 



SORBUS LiniKtus. 



* S. sambucifolia Chamisso & Schlechtendahl. Western mountain- 



ash. 

 Pittsburgh, i8th Ward, rear of cemetery, June, 1885. 

 " Haight's Run, July, 1899. 



ARONIA Linn^jus. 

 7^ K/? ^5 Linnaeus. 



* A. nigra (Willdenow). Black choke-berry. 



Harrison Township, " Bird's Hollow," near Natrona, June, 1895. 



CRATAEGUS Linni^us. 



* C. Oxyacantha Linnaeus. English hawthorn. 



J C. coccinea Linnteus. Scarlet haw. 



■j- C. macrantha Loddiges. Long-spined thorn. 



* C. mollis ( Torrey & Clray). Red-fruited haw. 



* C. tomentosa Linnaeus. Pear haw. 



* C. punctata Jacquin. Large-fruited haw. 



* C. Crus-Galli Linnaeus. Cockspur thorn. 



AMELANCHIER Medicus. 



* A. Canadensis (Linnaeus). Service-berry. 



* A. Botryapium (Linne). Shad-bush. 



* A. Spicata (Lamarck). Low June-berry. • 



Allegheny, Highwood Cemetery, on rocky hill, May, 1898, John 

 Ferguson. 



