﻿388 BOTANICAL GAZETTE [june 



■coarsely serrate, more deeply lobed than the leaves of fertile 

 branchlets, 7-8^"" l^^^^g* 5-6'''" wide, with stout petioles wing- 

 margined above the middle and 2-4*'"' long, and foliaceous lunate 

 -coarsely glandular-serrate persistent stipules. Flowers 1,2-1.8''"' 

 in diameter on slender pedicels in narrow 8-1 2-flowered thin- 

 branched compound corymbs; bracts and bractlets linear, glan- 

 dular, mostly deciduous before the flowers open ; calyx tube 

 narrowly obconic, the lobes gradually narrowed from the 

 base, acuminate, tipped with minute red glands, entire or occa- 

 sionally slightly glandular-serrate, reflexed after anthesis ; stamens 

 5-10, usually 5, sometimes only 2 or 3 bearing anthers-, anthers 

 small, reddish pink; styles 3-5, generally 4, surrounded at the 

 base by tufts of white hairs. Fruit on slender pedicels, in 

 pendent drooping few- fruited clusters, subglobose to short- 

 oblong, slightly four-angled, abruptly rounded at the ends, 

 dark reddish purple marked by many small pale lenticels, 

 i-i.G'^"' long, 9-15"'"' wide; calyx sessile, with a narrow shallow 

 cavity and slightly serrate erect or incurved lobes, bright red on 

 ' the upper side below the middle, usually persistent on the ripe 

 fruit, flesh thin, yellow, firm and rather dry, insipid, slightly 

 bitter; nutlets 3-5, usually 4, rounded at the ends, prominently 

 ridged on the back with a broad, often grooved ridge 6-8"'"' long. 



A bushy or occasionally treelike shrub 3-4 '" in height with slender stems 



D 



or 



covered with pale gray bark, often spreading into broad thickets, ascending 

 branches forming an oblong head and thin nearly straight branchlets, light 

 orange-green and marked by many small pale lenticels when they first appear, 

 dull light reddish-brown at the end of their first season, light gray- brown the 

 following year, and armed with numerous dull chestnut-brown ultimately 

 gray mostly short stout curved spines tapering abruptly at the apex, and often 

 only 1.5 *=™ in length, or occasionally slender and 3-3.5 ^^'^ long. Flowers dur- 

 ing the first half of May. Fruit ripens at the end of September or early in 

 October and does not fall until after the leaves or until the beginning of 

 November. 



Dry upland pastures on the borders of woods, Mokena, September 1899, 

 May 1900. Bremen and Orland, October 1901, May 1902, Joliet, May and 

 September 1902, Oak Forest, September 1902, E. /. Hill; Joliet, H. C. Skeels, 

 May 1902. 



Crataegus trachyphylla, n. sp. — Leaves oval to elliptical and 

 acuminate, rounded or broadly cuneate, or on leading shoots 



