506 Eggleston : Crataegi of Mexico and Central America 



E. IV. Nelson IJJ4, eighteen miles southwest of city of 



Oaxaca, Sept. 10-20, 1897. (Gray Herb, and herb. U. S. Nat. 



Mus.) 



Crataegus pubescens Botterii var. no v. 



Leaves shorter than those of the type, tomentose above, more 

 rugose than in the type, densely white-tomentose ; corymbs densely 

 white-tomentose. 



This may prove a distinct species when better known. 



Type : Botteri 1 121. (Gray Herb.) 



Specimens examined : 



Orizaba, Botteri 1121, about 1850. (Herb. U. S. Nat. Mus. 

 and Gray Herb.) 



Huatasco, Vera Cruz, C. Mohr, 1856. (Mohr Herb., U. S. 

 Nat. Mus.) 



Eugenio, Rincon de la Carbonera, Orizaba, F. Milller, 1853. 

 (Herb. Columbia Univ.) 



Boca del Monte, Orizaba, E. IV. Nelson 218, May 13, 

 1894. (Herb. U. S. Nat. Mus.) 



Crataegus mexicana Moc. & Sesse ; DC. Prod. 2 : 629. 1825. — 

 Moc. & Sesse, Dessins Fl. Mex.pl. 2pp. 1874. — Bot. Reg. 

 22 : pi. ipio. 1836. — Loudon, Arb. et Frut. Brit. 2 : 843, 

 867; 6: 156. 1838. — D. Don in Sweet, Brit. Flow. Gard. 



6 : pi. joo. 1835 



C. subserrata Benth. Plantae Hartweg. 10. 1839. 

 C. hypolasia K. Koch, Hort. Dend. 167. 1853. 



Leaves elliptical-lanceolate or oblanceolate, 3—9 cm. long, 

 1.5-4 cm. wide, serrate-crenate, with gland-tipped teeth, sometimes 

 slightly lobed towards the apex, often irregularly so or the margin 

 repand, entire towards the base, obtuse or acute at the apex, 

 cuneate at the base, dull, coriaceous, tomentose above, sometimes 

 becoming nearly glabrous, impressed-veined and slightly corru- 

 gated ; tomentose below, particularly along the veins ; petioles 

 5-10 mm. long, slightly winged, tomentose ; corymbs 4-10- 

 flowered, densely white-tomentose; flowers 15-20 mm. wide; 

 calyx-lobes less tomentose, about 6 mm. long, lanceolate, entire 

 except at the apex, which is usually obtuse and often has two to 

 four nearly equal gland-tipped teeth ; stamens about 20, anthers 

 pink, styles 3-5, densely tomentose about the base ; fruit ovoid, 

 short-ellipsoidal or short-pyriform, 15-25 mm. thick, edible, 

 orange or rusty orange, calyx- lobes erect, thickened at the base ; 



