129 
KOSACEjE. (rose family.) 
furrowed by the impressed straight veins, downy beneath with close- 
pressed hairs when young ; styles 1 - 3; fruit globose , dull red and 
yellowish , dotted. — Thickets, common everywhere. May. — A low, 
round-headed tree, KP-20° high, with small dull leaves and ash-col¬ 
ored branches. 
6. C. C'rus-galli, L. (Cockspur Thorn.) Smooth ; leaxes 
shining , thickish , wedge-obovate, toothed towards the apex, with scarce¬ 
ly any petiole; styles 1-3; fruit bright red , round-pear-shaped._ 
Thickets. May, June. —Shrub or tree l(P-20° high; with firm 
dark green leaves very shining above, and slender sharp thorns often 
2' long. — The best species for hedges in this country. 
* * Flowers solitary or nearly so at the end of the branches. 
7. C. parvifolia, Ait. (Dwarf Thorn.) Leaves thick and 
firm, oblong-wedge-form or spatulate, rounded at the apex, crenate, 
nearly sessile, roughish-downy, the upper surfiice shining when old ; 
flowers short-stalked ; calyx-lobes cut-toothed, as long as the petals ; 
fruit roundish pear-shaped, greenish-yellow, somewhat hairy. — Dry 
or sandysoil, New Jersey and southward. May. — A rugged shrub, 
ftult 5 WUh a fCW l0ng th0niS * CalyX half “ lon § as the ripe 
19. PYRUS, L. Pear. Apple. 
Calyx-tube urn-shaped, the limb 5-cleft. Petals roundish or 
obovate Stamens numerous. Styles 2-5. Fruit (pome) 
fl shy or berry-hke, the 2 - 5 carpels of a parchment-like or car¬ 
tilaginous texture, each 2-seeded— Trees or shrubs, with hand- 
-rr ln C0Tymbed CymeS ‘ (The ClaSSiCa ‘ " ame 0f the 
orate, often rather heart-shaped, cut-serrate or lei, j \ Uaxes 
S’.S.T,;”'"”' ^ *-£-stss 
Uar J^/ a " SUS f lmia ’ Ait - ( N *™°w-leaved Crab-Apple 1 
