564 
PI. ex. cal. 
345. Pyrus. 57. POMACES. 
nutritive, and being infused in water yield an acidulous 
kind of perry ; the berries are also used as a bait for red- 
wings and fieldfares. 
4. Pyrus domestica. Household pear. 
Leaves pinnate; leaflets equal, ovate, oblong, edge con- 
tiguous to the main petiole, upper part serrated, villous 
beneath; flowers panicled. 
Sorbus, Ran Syn. 452, 1 ; Ger. em. 1471, 1. 
Sorbus legitima, Park. 1420. 
Sorbus domestica, Lin. S. P. 684. 
Pyrus Sorbus, Gartner Fr. et Sent. 2, 45. 
Pyrus domestica, Engl. Bot. 350. 
True service tree. Sorb. Sorb apple. Servis. 
Mountainous woods ; arborescent ; May. 
Leaves pinnate with a terminal leaflet ; hairs deciduous ; 
flowers white ; stifles 5 ; pome reverse ovate, reddish. — 
Fruit when ripe astringent. 
5. Pyrus pinnatiflda . Pinnatifid pear. 
Leaves pinnatifid, inclining to pinnate, downy beneath ; 
flowers corymbose. 
Sorbus hybrida, Lin. S. P. 684. 
Sorbus pinnatiflda, Ehrath Herb. 
Mountains, and cultivated ; arborescent ; May. 
Leaves lobed above, pinnate at bottom ; bald above, 
white beneath ; cory mbus many-flowered ; pome scarlet. 
II. 346. CRATALGUS. Theophrastus. Hawthorn . 
Calyx 5-cut ; petals 5 ; styles 2 to 5 ; pome spherical, 
5-celled; cells cartilaginous, 2-seeded; seeds peritropal.— 
Leaves angular ; fruit hard. 
1. Cratccgus alpina. Alpine hawthorn . 
Leaves simple, ovate, cut, serrate, tomentose beneath ; 
flowers corymbose. 
Mespilus alni folio, subtus incano, Aria Theophrasti dicta, Raii Syn. 
453, l. 
Aria Theophrasti, Ger. em. 1327,2. 
Sorbus sylvestris Aria Theophrasti dicta, Park. 1421. 
Crataegus Aria, Lin. S. P. 681. 
Sorbus Aria, Willd. S. P. 2, 102. 
Pyrus Aria, Smith FI. Brit. 534. 
Cumberland Hawthorn. White-beam tree. 
Limestone mountains ; arborescent ; May. 
Twigs tomentose; leaves doubly serrated, bald above; 
veins parallel ; corymbus terminal ; flowers white ; styles 2 
