SB'h 345. Pyrus. 57. POMACES. PL ex. cal. 



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 ; jiowers panicled. 



Sorbus, Rail Syn. 452, 1 ; Ger. em. 1471, 1. 



Sorbiis legitima, Park. 1420. 



Sorbus domestica, Ijin. S. P. 684. 



Pyrus Sorbus, Gcertncr Fr. et Sem. 2, 45. 



Pyrus domestica, Engl. Bot. 350. 



True service tree. Sorb. Sorb apple. Ssrvis. - 



Mountainous woods; arborescent; May. 



Leaves pinnate with a terminal leaflet ; hairs deciduous ; 

 Jiowers white ; styles 5 ; pome reverse ovate, reddish. — 

 Fruit when ripe astringent. 



5. Pyrus pinnatifida. Pinnat'ifid pear. 

 Leaves pinnatifid, inclining to pinnate, downy beneath ; 



Jiowers corymbose. 



Sorbus hybrida, Lin. S. P. 684. 

 Sorbus pinnatifida, Ehrat/i Herb. 



Mountains, and cultivated ; arborescent; May. 

 Leaves lobed above, pinnate at bottom ; bald above, 

 white beneath ; corymbus many-flowered ; pome scarlet. 



II. 346. CRATAEGUS. 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. CratcBgus alpina. Alpine hawthorn. 



Leaves simple, ovate, cut, serrate, tomentose beneath ; 

 Jiowers corymbose. 



Mespilus alni folio, subtus incaiio, Aria Theophrasti dicta, Raii Syn. 

 453, 1. 



Aria Theophrasti, Ger. em. 1327,2. 



Sorbus sylvestris Aria Theophrasti dicta, Park. 1421. 



Crataegus Aria, Lin. S. P. 081. 



Sorbus Aria, Willd. S. P. 2, 102. 



Pyrus Aria, Smith Ft. Brit, 534. 



Cumberland Hawthorn. White-beam tree. 



Limestone mountains ; arborescent ; May. 

 Twigs tomentose ; leaves doubly serrated, bald above ; 

 veins parallel ; corymbus terminal ; Jiowers white ; styles 2 



