172 Rosacee—Pyrus. 
cymes, Fruit fleshy, 2- to 5-celled, cells 1- or 2-seeded, carti- 
laginous. Between thirty and forty 
species are known, all of temperate and 
cold regions of the northern hemisphere. 
It is the Latin name of the Pear Tree. 
The Apple, Pear, Medlar, Service and 
Quince are all referred to this genus 
by some botanists. Some of the species 
are highly ornamental, and even the 
Apple and Pear trees may be classed 
in this category. 
1. P. spectabilis. Chinese Crab 
(fig. 93).—This is the handsomest of 
this section, and very conspicuous in 
Spring from the abundance of its rosy 
pink or nearly white flowers. Leaves 
oblong-lanceolate or elliptical, finely 
serrated, acute, glabrous above, 
slightly hairy beneath, veins promi- 
nent, petiole slender, stipules small. 
oe eee Fruit spherical, about an inch in dia- 
nat. size.) meter, on long slender peduncles. A 
native of China. There are several varieties, that called flori- 
binda being perhaps the best. Alba pléna has double white 
flowers ; and there are two or three Japanese varieties of weep- 
ing habit. P. Sinénsis of gardens is the same thing. 
2. P. prunifolia. Siberian Crab.—A very ornamental 
tree of small dimensions. Leaves oblong, obovate, or nearly 
rotundate, serrate, often oblique at the base, glabrescent: 
petioles relatively long. Fruit depressed at the base, on long 
slender peduncles, and crowned by the persistent calyx-lobes. 
There are several handsome varieties, differing in the size and 
colour of the fruit, from scarlet and yellow to green and 
variously striped. 
3. P. coronaria. American Crab.—A small tree with oval 
or ovate leaves rounded at the base, irregularly toothed or 
lobed, and ultimately glabrous. Flowers corymbose, pink 
and white, rather large and fragrant; petals distinctly clawed. 
Fruit small, green, concave at the base. North America. 
4. P. baccata, including P. cerasifera. Cherry Crab.—This 
differs in its varieties from the Siberian Crab in the very 
glabrous glossy leaves and usually smaller fruit, from which 
