CRATAEGUS IN ROCHESTER, NEW YORK. 125 



with slender yellow midribs deeply impressed above and 3 or 4 pairs 

 of thin primary veins extending very obliquely to the points of the 

 lobes ; petioles stout, wing-margined sometimes nearly to the middle 

 by the decurrent bases of the leaf-blades, grooved, conspicuously 

 glandular, 1.5-3 cm. in length. Flowers about i.8 cm. in diameter 

 on long slender pedicels, in wide many-flowered thin-branched glab- 

 rous compound corymbs ; calyx-tube broadly obconic, the lobes wide, 

 acuminate, glandular-serrate, glabrous on the outer, slightly villose 

 on the inner face, refiexed after anthesis ; stamens 10 ; anthers dark 

 rose color ; styles usually 5, surrounded at the base by a broad ring 

 of hoary tomentum. Fruit on stout hairy pedicels, in compact few- 

 fruited drooping clusters, subglobose and flattened at the ends to 

 oblong or rarely to obovate, dark crimson, lustrous, marked by few 

 small pale lenticels, i. 2-1.4 cm. in diameter ; calyx-cavity deep, com- 

 paratively narrow, the lobes elongated, gradually narrowed from 

 broad bases, acuminate, coarsely glandular, dark red on the upper 

 side below the middle, reflexed and closely appressed, their tips often 

 deciduous from the ripe, fruit ; flesh thick, sweet, dry and mealy, 

 tinged with red ; nutlets 5, broad, rounded at the obtuse ends, con- 

 spicuously ridged on the back, with a high rounded ridge, 7 mm. long. 



A shrub, or occasionally a tree 4-6 m. in height, with numerous 

 intricately branched stems covered with pale gray bark, tortuous 

 branches, and slender zigzag branchlets, dark red, marked by many 

 pale lenticels and furnished with a few long pale caducous hairs when 

 they first appear, bright red-brown and lustrous at the end of their 

 first season, becoming dark red or gray-brown during their second 

 season, and armed with numerous very slender nearly straight light 

 red-brown shining spines usually about 5 cm. in length, and very per- 

 sistent. Flowers at the end of May or early in June. Fruit ripens 

 the middle of October and falls the first of November. 



Rochester ; west side of river above Elmwood avenue and along 

 feeder bank, Wolcott Road, JoJui Dunbar, June 6, 1901, October 

 15, 1902. 



This species may in its name be properly associated with Miss 

 Florence Beckwith, one of the authors of P/anls of Monroe County, 

 New York, and Adjacent Territory, published in the third volume of 

 the Proceedings of the Rochester Academy of Science. 



12, Pro. Roch. A cad. Sci., Vol. 4, June 6, 1903. 



