512 Eggleston : Crataegi of Mexico and Central America 



Type, E. Palmer ^oo, Saltillo, Coahuila, Mexico, Sept., 1898. 



(Gray Herb.) 



Description of flowers drawn from E. Palmer 2i2j^ Mts. 6 



miles east of Saltillo, Apr. 15-20, 1880. (Gray Herb.) 



" Garden spots, low hills and little hollows between hills, com- 



mon. No. 300, hawthorn, prolific bearer of brick-red fruit, edible, 



sold in the market ; the pulp has an apple taste ; 1 5-20 feet high, 



symmetrical top, rough bark, many long thorns, six inches to one 



foot in diameter, the seeds are taken out of the top of the fruit, 



I 



which is cooked in sugar and forms a fine preserve." 



Specimens examined: 



E. Palmer joo. (Gray Herb., herb. N. Y. Bot. Gard., herb. 

 U. S. Nat. Mus., and herb. Arn. Arbor.) 



E. Palmer ^04, Saltillo, July 28, 1905. (Herb. N. Y. Bot. 

 Gard. and herb. U. S, Nat. Mus.) 



E. IV. Nelson 6'j2gy General Cepida, Coahuila, Mexico, Apr. 

 20, 1902. (Herb. U. S. Nat. Mus.) 



Crataegus Nelsoni sp. nov. 



Leaves 1.5-5 cm. long, 1.5-4 cm, wide, elliptical-ovate to obo- 

 vate, acute at the apex, cuneate at the base, serrate or doubly ser- 

 rate, somewhat tomentose below, finely rugose and slightly pube- 

 scent above, subcoriaceous ; petioles less than 5 mm. long, slightly 

 pubescent; corymbs 3- or 4-fruited, pedicels slightly pubescent ; 

 fruit globose, 10-15 ^n^- thick, slightly pubescent, stamens about 

 20, calyx-lobes persistent and appressed, entire, slightly pube- 

 scent ; nutlets 4 or 5, grooved on the back, 7-9 mm. long, nest of 

 nutlets 9-1 1 mm. thick. Vegetative twigs somewhat pubescent. 

 Thorns very numerous, 3-5 cm. long. 



Type, E. W. Nelson 321^^ near San Cristobal, Chiapas, 



Mexic 



Mus.) 



8800 feet, Sept. 19, 1895. (Herb 



New York Botanical Garden 



Bibliography of Mexican and Central American Crataegi 



Beck von Mannagetta, G. Cotoneaster sikkimensis und Crataegus grig- 

 nom'ensis. Wien. Gart. Zeit. 15: 248. 1890. 



Bentham, G. Plantae Hartwegianae 10, 173. 1839. 



Bosc, L. A. G. Nouv. cours. agri. 2: 233. 1821. 



Candolle, A. P. de. Prodromus systematis naturalis regni vegetabilis 

 2 : 626, 628, 629- 182c. 



