108 FOUNDATIONS OF BOTANY 
2. S. reevesiana, Gard. Bripat WreartuH. Shrubs 2-4 ft. tall; 
branches long, slender, and spreading; leaves lanceolate, serrate, 
sometimes 3-lobed or pinnatifid, with a bloom beneath; flowers white 
or pinkish, in axillary racemes or corymbs, often forming long 
wreaths; follicles smooth. Cultivated from Europe. ° 
3. S. tomentosa, L. Harpuack. Erect shrubs; stems densely 
downy, usually simple; leaves simple, ovate or oblong, serrate, 
densely rusty downy below, smooth and dark green above; flowers 
small, pink or purple, in a close panicle ; follicles 5, densely downy, 
several-seeded. On low ground S., and along fence-rows and in pas- 
tures N., where it is a troublesome weed.* 
Ill. CYDONIA, Tourn. 
Trees or shrubs. Leaves simple, toothed or lobed, stipules 
deciduous. Flowers usually solitary, white or pink. Calyx- — 
tube urn-shaped, adnate to the ovary, 5-lobed, lobes acute, 
spreading, persistent. Petals 5. Stamens numerous, inserted 
with the petals on the calyx-tube. Styles 2-5, mostly 5, 
united at the base. Ovary 5-celled, seeds many in each cell. 
Fruit a pome, globose, usually depressed or hollowed at the 
extremities, flesh without hard grains.* 
1. C. vulgaris, Pers. Quince. Shrub 6-12 ft. high. Leaves 
oblong-ovate, acute at the apex, obtuse at the base, entire, downy 
below. Flowers large, white or pink. Fruit ovoid, downy. Cul- 
tivated.* 
2. C. japonica, Pers. JAPAN Quince. A widely branching 
shrub, 3-6 ft. high, branches with numerous straight spines. Leaves 
ovate-lanceolate, acute at each end, smooth and shining, serrulate ; 
stipules conspicuous, kidney-shaped. Flowers in nearly sessile axil- 
lary clusters, bright scarlet. Fruit globose. Common in cultivation.* 
IV. PYRUS, L. 
Trees. Leaves simple, stipules small, deciduous. Flowers 
in cymes, large, white or pink. Calyx urn-shaped, adnate to 
the ovary, 5-cleft, its lobes acute. Petals rounded, short- 
clawed. Stamens numerous, borne with the petals on the 
calyx-tube. Styles 5, distinct or slightly united at the base. 
Fruit a pome, with about 2 seeds in each carpel.* 
1. P. communis, L. Pear. A tree, often very large, head usually 
pyramidal; branches often thorny. Leaves thick and leathery, 
