Eggleston : Crataegi of Mexico and Central America 509 



tomentose, acute at the apex, cuneate at the base, crenate- serrate, 

 tomentose ; corymbs densely white-tomentose, few-flowered ; sta- 

 mens about 20; fruit globose or short-pyriform, (yellow?), 15-30 

 mm. thick, calyx deciduous ; nutlets 2-4. 

 Specimens examined : 



JD 



M 



Heyde & 



mala, 4000 icct, Apr. 1892. 



W. A. Kellennan yoyi, Volcano 

 Guatemala, 9000 feet, Feb. 4, 1908. 



W, A. Kellerman 43 ^9 y Volcanc 

 1905. 



18, 



Maxon & Hay j668, Volcano Agua, Guatemala, 1800 m., Mar. 



21, 1905. 



W. R. Maxon^ fruit bought in the market of Mazatenango, 



Guatemala, Feb. 1905. 



The following I would refer to this species with some doubt : 

 E. W, Nelson J 162, near San Cristobal, Chiapas, Mexico, 7000 



-8800 feet, Sept 18, 1895. 



E. A. Poldman p^/, Teopisca, Chiapas, Mexico, May 7, 1894. 



Crataegus Rosei sp. nov. 



Leaves short-spatulate to obovate, obtuse at the apex, cuneate 

 at the base, serrate-creneate with fine teeth, slightly pubescent 

 along the veins, finely rugose, shining, yellow-green above, paler 

 and tomentose along the veins below; petioles 5-1 mm. long, 

 slightly winged, pubescent, stipules of the vegetative twigs semi- 

 lunate, 3-4 mm. long, glandular-serrate ; corymbs 3-9-flowered, 

 whitish -villose; flowers 12-15 mm. wide, calyx and lobes slightly 

 villose, calyx-lobes remotely serrate or entire, lanceolate, acute, 

 2-3 mm. long ; stamens 5-10 ; styles 2-4, surrounded at the base 

 by a dense tuft of tomentum ; fruit ellipsoidal or pyriform, red, 

 8-12 mm. thick, slightly villose, flesh soft, calyx-lobes reflexed or 

 spreading, nutlets usually 3, strongly ridged on the back, ^-y 

 mm. long, nest of nutlets 8-9 mm. thick. Vegetative twigs villose, 

 yellow-green, becoming glabrous and ash-gray, armed with chest- 

 nut-brown, slightly curved spines 2-4 cm, long. 



Type E. Palmer 74, Alvarez, San Luis Potosi, Mexico, Sept. 5 

 -10, 1902. (Herb. N. Y. Bot. Card.). 



Of no. 74 Dr. Palmer says, " Tejocote Colorado. The fruits are 



