1903] Sargent, — Recently recognized Species of Crataegus 57 
2-3 cm. long. Flowers about the 2oth of May. Fruit ripens and 
falls the middle of October. 
MASSACHUSETTS : Thickets, Lancaster, Mrs. John E. Thayer, May 
and October 1902. 
Distinguished from all described species of the Pruinosa Group 
by the abundant hairs on the upper surface of the young leaves which 
in May make it difficult to distinguish it from some species of the 
Tenuifolia Group. 
+ + Anthers yellow. 
Crataegus conjuncta, n. sp. Glabrous. Leaves ovate to oval, 
acute or acuminate, rounded or cuneate, or on leading shoots truncate 
at the mostly entire base, sharply usually doubly glandular-serrate 
above, more or less deeply divided into 3 or 4 pairs of acute or 
acuminate lateral lobes; bronze color when they unfold, and when 
the flowers open thick and firm, light yellow and more than half 
grown; at maturity coriaceous, dark blue-green and lustrous on the 
upper surface, pale on the lower surface, about 5 cm. long, 3.5-6 cm. 
wide, with thin yellow midribs impressed above and remote slender 
straight or arching veins extending to the points of the lobes; peti- 
oles slender, usually slightly wing-margined above, sparingly and 
irregularly glandular on the margins, 2—-2.5 cm. long ; stipules lanceo- 
late to oblong-obovate, glandular-serrate, caducous. Flowers 1.6—1.8 
cm. in diameter on slender pedicels, in 5- 1o, usually 5 or 6-flowered 
compound thin-branched corymbs; bracts and bractlets linear and 
. acuminate to lanceolate, glandular, pink, caducous ; calyx-tube broadly 
obconic, the lobes gradually narrowed from broad bases, nearly tri- 
angular, tipped with bright red glands, entire or coarsely and irregu- 
larly glandular-serrate; stamens 20; anthers small, light yellow; 
styles 3-5, usually s. Fruit drooping or erect in few-fruited clus- 
ters, subglobose, usually broader than long, angled sharply while 
young, full and rounded at the ends, about 1 cm. in diameter, when 
fully grown dull green covered with a thick glaucous bloom, at matur- 
ity dull orange-red more or less blotched with green and marked by 
many small dark dots; calyx enlarged, prominent with a well devel- 
oped tube, a broad deep cavity, and spreading or incurved often 
slightly serrate lobes dark red on the upper side below the middle; 
flesh green, thin, hard and dry; nutlets 4 or 5, thick, acute at the 
ends, ridged on the back, with a high rounded often grooved ridge, 
7—8 mm. long. 
A broad round-topped intricately branched shrub 3 or 4 m. in height, 
occasionally arborescent in habit, with one or more stems 5—6 cm. in 
diameter, light gray scaly bark and slender straight or slightly zigzag 
