ROSACEA. 109 



Thickets on uw<nrn of streams. M:iy, June. A thorny shrub or small tree 12 



et high, with crooked und spreading branches. BranehUts white. Thorns 



■tout, rigid, a little recurved, white, V4 inches Ion?. Flowers white in eorymha 



terminating the young branches. Fruit large, bright red or purple, eatable", rip* 



in Sept. Very variable. 



6. C cordata, Ait. Washington Thorn. 



Smooth: leaves broadly-ovate and sub-cordate, on long and slender petiole* 

 acuminate, incised and serrate, mostly 3-lobed near the base; styles 5; fruit small, 

 globose-depvi - 



Banks of streams. June. A shrub 16 to 20 feat high, cultivated in the Middle 

 States for hedge-rows, branching; the branches dark purple and armed with very 

 sharp and slender thorns 2 to 3 inches long. Leaves often deeply 3 to 5-lobed, 

 about - by l'o inches. Flowers white, numerous, in corymbs terminating the 

 branches. Fruit small, bright purple or red, numerous. 



7. C. Oxycaxtiia, L. Hawthorn. English Thorn. 



Smooth; leaves broadly ovate, cun^ate. 3 to 5-lobed, incised and serrate ; segments 

 of the calyx acute or acuminate: styles 1 to 3 ; fruit ovoid. 



Roadsides, hedges, &c., sparingly naturalized. June. A very branching shrub 

 4 to 10 feet high: the branches armed with sharp, short, tapering thorns }-£ inch 

 long. Leaves variously lobed, pale beneath. Petioles ]/ 2 to 1 inch long, with 2 

 leafy stipules at base. Flowers white, in corymbs. Iruit small, purple whgn 

 saature. Introduced from Europe. 



1G. AMALAXCHIER. DC June Berry. 



Calyx 5-cleft. Petals 5, oblong-obovate or ob-lanceo- 

 late. Stamens niany, rather shorter than the -calyx. Styles 

 5, somewhat united at base. Pome when mature 3 to 5- 

 cclled. — Small trees or shrubs with simple serrate leaves and 

 white flowers in racemes. 



1. A. Botriapium, DC. June Berry. Shad Berry. 



Leaves cordate-oval, conspicuously acuminate, pubescent when voting, smooth 

 when mature; fiov:crs in loose racemes, appearing before the leaves; petals linear- 

 lanceolate, four times as long as the calyx. 



Rich moist woodlands and hills; frequent. ApriL A handsome tree 10 to 20 

 feet high, w-ith rather slender distant branches forming an open top. Leaves 2 to 

 3]/.j inches long. 1 to 2 wide, acutely serrate, on petioles J^ inch long. Flowers 

 large white in loose racemes 2 inches long, terminating the branches, EomowhaJ 

 pendulous. Fruit dark purple, pleasant tasted, ripe in June, July. 



2. A. OTALIS, DC. Mcdler-lush. 



Leaves roundish elliptic, or oblong-oval, acute or acuminate, serrate, smooth 

 when mature; flowers in compact racemes ; petals obovate, oblong. 



Fence-rows and woodlands; rare. April, May. A slender branching shrub 2 to 

 J^fcit high. Leaves 1 to 2 inches long, and %"to 1 wide. Flow rs white, in erect 

 villose racemes. Fruit dark-purple or nearly black, pleasant tasted, ripe in July. 

 Supposed by some botanists to be a variety of the preceding, but considered dis- 

 tinct by Beck, Darlington and others. 



17. PYRUS. Linn. Pear. Apple. 



Calyx-tube urn-shaped, the limb 5-cleft. Petals round- 

 ish. Stamens numerous. Styles 2 to 5. Pome fleshy 

 U 



