ROSACEAE, gI 
ately small polypetalous white flowers in ample panicles; and 
small oblong capsules dehiscent at top. 
Leaves with rather large leaflets. S. sorbifolia. 
CHAMAEBATIARIA, 
Deciduous small glandular-pubescent shrubs resembling Sor- 
baria but with decompound fern-like foliage. 
Leaves bipinnate, with minute leaflets. C. Millefolium. 
Pyrrus. Pear. “Apple. 
Deciduous trees or shrubs with hard mostly reddish-brown 
wood with minute scattered ducts and fine medullary rays; 
moderately slender terete twigs sometimes dwarfed or pungent; 
roundish continuous pale pith; alternate somewhat raised nar- 
rowly crescent-shaped leaf-scars with 3 bundle-traces; scarcely 
evident if any stipule-scars; ovoid sessile buds with several 
often gland-tipped scales; ovate to lanceolate entire or serrate 
or lobed petioled leaves; rather large white or pink perfect 
polypetalous epigynous flowers clustered on the spurs; and few- 
seeded apple- or pear-like fruit with papery core. The apples are 
often segregated under the genus Malus. 
1.2Leaves nearly glabrate. 2. 
Leaves markedly hairy or woolly beneath. 5. 
2. Leaves entire or finely serrate, ovate, (Pear). P. communis. 
Leaves toothed or rarely lobed. 3. 
3. Leaves long-pointed. P. serotina culta. 
Leaves at most acute. 4. 
4. Leaves ovate or oblong to lanceolate. P. angustifolia. 
Leaves broadly ovate. P. spectabilis. 
5. Leaves toothed but scarcely lobed. 6. 
Leaves often distinctly lobed. 12. 
6. Usually seen as shrubs. 7 
Trees. 8. 
7. Calyx absent from the ripe fruit. P. pulcherrima. 
Calyx persistent on the fruit. P. prunifolia Rinki. 
8. Fruit very small (scarcely 20 mm.). 9. 
Fruit distinctly larger. 10. 
