60 Rhodora | FEBRUARY 
rarely : dm. in diameter covered with pale gray smooth or near the 
ground slightly scaly bark, and slender nearly straight branchlets, 
green tinged with red when they first appear, becoming light red- 
brown and marked by oblong pale lenticels during their first season 
and ashy gray the following year, and sparingly armed with straight 
stout dark purple ultimately ashy gray spines from 2.5-3 cm. long. 
Flowers about June 1st. Fruit ripens early in October and 
remains for at least another month on the branches. 
Connecticut: Rocky banks and elevations bordering salt marshes 
near Alwive Cove, New London, and Waterford, C. B. Graves, June, 
September and October 1902 ; C. S. Sargent, August 1892. 
* * Stamens 10; anthers purple. 
Crataegus dissona, n. sp. Glabrous. Leaves ovate to rhombic, 
acute or acuminate, cuneate and entire below, sharply and doubly 
serrate above, with straight spreading glandular teeth, and slightly 
and irregularly divided into acute lateral lobes; tinged with red as 
they unfold, and nearly fully grown when the flowers open, and then 
membranaceous and pale yellow-green, at maturity thin but firm in 
texture, dull dark blue-green on the upper surface, pale on the lower 
surface, s-6 cm. long, 4-5 cm. wide, with thin light yellow midribs 
impressed on the upper side, and few slender primary veins arching 
obliquely to the points of the lobes; petioles slender, grooved, 
slightly wing margined toward the apex, sparingly glandular, with 
minute dark mostly deciduous glands, 2—2.5 cm. long; stipules linear, 
acuminate, glandular-serrate, caducous ; leaves on vigorous shoots 
ovate, generally rounded or truncate at the broad base, more deeply 
lobed than the leaves of lateral branchlets, 5-6 cm. long and broad. 
Flowers 1.2—1.4 cm. in diameter on slender pedicels, in compact 5-7- 
flowered compound corymbs; bracts and bractlets linear, glandular- 
serrate, pink, caducous; calyx-tube broadly obconic, the lobes short, 
acuminate, entire or slightly glandular-serrate above the middle; 
stamens ro, or rarely 7-9; anthers pale purple; styles 3 or 4, rarely 
5, surrounded at the base by a narrow ring of pale tomentum. 
Fruit pendant in drooping few-fruited clusters, pruinose, crimson, 
blotched with green and marked by few large dark dots, 1.2—1.6 cm. 
in diameter, sometimes 4 mm. broader than high; calyx small, ses- 
sile with a narrow shallow tube and erect boat-shaped lobes, their 
thin acuminate tips mostly deciduous before maturity; flesh thick, 
dry and mealy, bright yellow-green sometimes tinged with red; nut- 
lets usually 3 or 4, thick, acute at the ends, prominently ridged on 
the back, with a high rounded ridge, about 7 mm. long. 
A slender shrub 2-3 m. in height with stems 5 or 6 cm. in diame- 
