Eggleston : Crataegi of Mexico and Central America 507 



nutlets 3-5, broadly ridged on the back, obtuse at the ends, 8-10 

 mm. long, nest of nutlets 10-12 mm. thick. A small tree some- 

 times 10 m. high, resembling the common apple tree in habit. 

 Young twigs tomentose. Thorns often wanting or trees occasion- 

 ally armed with short thorns. 



A tree of the higher altitudes (1000-3000 m.) of the central 

 tableland, ranging from central Mexico (San Luis Potosi, Parry & 

 Palmer 228) southward. 



Type station, vicinity of the City of Mexico, Mocino & Sesse. 



Specimens examined : 



C. G. Pringle 13736, Eslava, Federal District, Mexico, 7800 

 feet, Mar. 22, 1906. Tree 15-25 feet. Also fruit from this 

 station, Nov. 7, 1907. (Herb. N. Y. Bot. Gard.) 



C. G. Pringle 654//, base of Sierra de Ajusco, Federal District, 

 Mexico, 7800 feet, Sept. 29, 1896. 



C. G. Pringle 6631 , river banks near Tula, Hidalgo, 6800 

 feet, June 1 5, 1897. 



C. G. Pringle 6983, fields about Tepoxtlan, Morelos, Mexico, 

 7500 feet, Mar. 15, 1899. A large tree. 



C. G. Pringle 11400, Eslava, State of Mexico, 8000 feet, 

 Sept. 17, 1903. 



C. G. Pringle 1467, Marquess, State of Mexico, 8000 feet, 

 Apr. 20, 1887. 



J. Gregg 618 and 618b, valley and hills below Real del Monte, 

 Mexico, 1848-49. 



Graham, Mexico. (Gray Herb.) 



Herb, de la Commission Scientifique du Mexique 30. Santa 

 Fe pres Mexico. 



J. G. Schaffner Herb. San Luis Potosi, May, 1881. (Gray 

 Herb.) 



Parry & Palmer 228, San Luis Potosi, 1878. 



E. Palmer, San Luis Potosi mountains, 1878. 



Rose & Painter 7 118, Eslava, Valley of Mexico, Sept. 17, 1903. 



Rose & Painter J8Q4, Nevada de Toluca, State of Mexico, Oct. 

 15, 1903. 



Rose, Painter, & Rose 9483 and P484, San Angel, Valley of 

 Mexico, Aug. 15, 1905. 



Rose & Hough 4332, near Tlalpam, Valley of Mexico, June 

 9, 1899. 



