CRATJEGUS. XL VIII. ROSACE^E. 243 



3. A. PUMILA. Dwarf doubk-flowering Almond. Las. lanceolate, doubly ser- 

 rate ; fls. pedicellate. Native of China. A low shrub, highly ornamental, 

 common in cultivation. Stems 2 3f high, branching. Leaves 3 5' by I', 

 acute at each end, smooth. Flowers very numerous, clothing the whole shrub 

 in their roseate hue, while the leaves are yet small. May, Jn. f 



SUBORDER 2. P O M E & . 



Ovaries 2 5 (rarely 1,) cohering with the sides of the persistent 



calyx and with each other. Fruit a pome. 



6. CRAT^EGUS. 



Gr. KpaTos, strength; on account of the firmness of the wood. 



Calri: urceolate, limb 5-cleft ; petals 5 ; stamens 00 ; ovaries 1 5. 

 with as many styles ; pome fleshy, containing 1 5 bony, 1 -seeded car- 

 pels, and crowned at the summit by the persistent calyx and disk. 

 Trees or shrubs, armed w.th thorns. Lvs. simple, often lobed. Bracts 

 subulate, deciduous. Fls. corymbose. 



1. C. COCCINEA. (C. Crus-galli. Bw. C. glandulosa. Willd.} Crimson- 

 fruited Thorn. White Thorn. Lvs. broadly ovate, acutely serrate and 



sub (9)-lobed, thin and smooth, subacuminate, abrupt at base ; petioles long, slen- 

 der, and (with the calyx) smooth and subglandular ; sty. 3 5. A thorny shrub 

 or small tree, 10 20f high, in thickets, by streams, &c., Can. and U. S. 

 Branches crooked and spreading, branchlets and thorns whitish. Thorns stout, 

 rigid, sharp, a little recurved, about !' long. Leaves 1| 2' long, f as wide, 

 lobed, or (rather) coarsely, doubly acuminate-serrate. Petioles very slender, J 

 as long as the lamina. Flowers white, in paniculate, lateral corymbs of about 

 12. Fruit 3 5" diam., bright purple, eatable in Sept. Fls. May. 



2. C. CRUS-GALLI. (Mespilus. Lam. <fc.) Cock-spur Thorn. 



Lvs. obovate-cuneiform or oblanceolate, subsessile, serrate, coriaceous, 

 shining above ; spines very long ; corymbs glabrous ; sep. lanceolate, subserrate ; 

 sty. 1 (2 or 3). Hedges and thickets, Can. and U. S., rare. Shrub 10 20f 

 high, much branched. Thorns 2 3' long, straight, sharp, and rather slender. 

 Leaves 1 2J' long, f as wide, tapering and entire at base, mostly obtuse at 

 apex ; petioles 1 5" long. Flowers white, fragrant, in corymbs of about 15, 

 on very short, lateral branchlets. Fruit pyriform, dull red, 2 3 /; diam., per- 

 sistent during winter, unless eaten by birds. Jn. 

 /?. pyracanthifolia. Ait. Lvs. oblong-lanceolate, petioles ' long. 



3. C. PUNCTATA. Jacq. (C. latifolia. DC. Mespilus. Spach.} Thorn. 

 Lvs. cuneiform-obovate, doubly and often incisely serrate, entire at base 



and narrowed to a petiole, veins straight and prominent, pubescent beneath ; 

 corymbs and cat. villose-pubescent ; sty. 3 (1 or 2); fr. globose, punctate. Bor- 

 ders of woods, U. S. and Can. Tree 12 25f high. Branches wide-spreading, 

 crooked, covered with cinerous bark. Thorns stout, sharp, 1 2' long, some- 

 times wanting. Leaves 1 2' long, as wide, acute or short acuminate ; 

 petioles \ 1' long. Flowers white, in somewhat leafy, compound corymbs of 

 8 15. Fruit 5 8" diam., red or yellowish, eatable in Sept. Fl. May, Jn. 



4. C. TOMENTOSA. (C. pyrifolia. Ait. C. lobata. Dose. C. flava. Hook.} 

 Black Thorn. Lvs. oval, or elliptic-ovate, narrowed at base into a mar- 

 gined petiole, subplicate, incisely and doubly serrate, smoothish above, tomen- 

 tose beneath ; corymbs large, tomentose when young ; sty. 3 5 ; fr. pyriform. 

 Thickets and hedges, Can. S. to Ky. and Car. A large shrub, 12 15f high, 

 armed with sharp thorns 1 2' long. Leaves 3 5' long, J f as wide, acute 

 at apex ; margined petiole 1' long. Fls. large, fragrant,white, in a leafy corymb 

 of 8 12. Fruit 4 6" diam., orange-red, eatable but rather insipid. May, Jn. 



/?. (Torr. & Gray.) Lvs. strongly plicate, nearly smooth, smaller. 



5. C. OXYCANTHA. Hawthorn. English TJiorn. 



Lvs. obovate or broad ovate, obtuse, 3 7-lobed, serrate, smoothish, shining 

 above; slip, large, incisely dentate; corymbs glabrous; sty. 13; fr. ovoid, 



