ROS.«:EiE. 96 PYRUS, 



1. C. cocci'nea. 



Thorny ; leaves on long petioles, ovate, subcordate, acutely lobed, serrate, 

 smooth; petioles and pubescent calyx glaudular; styles 5. A small tree or 

 shrub, 20 feet high, in woods and thickets. The spines are long, rigid and 

 acute. Flowers white, corymbed. Fruit scarlet-color, well flavored. May. 



Thorn Bush. 



2. C. TOMENTO'SA. L. C. pyrifolia. ^«7. 



Thorny or not; leaves oval-elliptic, cut-serrate, somewhat plaited and hairy; 

 calyx villous ; segments linear-lanceolate, serrate ; styles 3. A large shrub, 

 12 — 15 feet high, with large leaves and white flowers. Jn. Pear-leaf Thuin. 



3. C. Crus-ga'lli. 



Thorny; leaves obovate, serrate, coriaceous, smooth ; /oifcrs in terminal 

 corymbs ; leaves of the calyx lanceolate, subserrate ; styles 1 — 2. A small, 

 branching tree or shrub, about 20 feet high. Thorns two or three inches long, 

 straight, rigid, acute. Flowers white, fragrant. Fruit nearly red, remaining 

 upon the tree during the winter, unless eaten by the birds. May. 



Common Thorn. 



p. splendens; leaves shining, y. pyracanthifoUa; Zenws oblong-lanceolate, 

 somewhat wedge-shaped. %. salici folia; willow-leaved. 



4. C. oxyca'ntha. 



Leaves obtuse, subtrifid, serrate, smooth ; peduncles and calyx nearly smooth; 

 sepals lanceolate, acute. This is the common hedge-hawthorn, so extensive- 

 ly cultivated for fences in England and other countries of Europe. Haiclhorii. 



5. C. puncta'ta. 



Leaves cuneiform, obovate, tapering into a petiole at base, the veins strong- 

 ly marked and pubescent beneath ; calyx pubescent when young ; styles '.i or 

 i'ewer ; fruit roundish, punctate. A tree 20 feet or more in hight, generally 

 armed with stout spines. The branches are wide-spreading, forming a head 

 large in proportion to the hight of the tree. Leaves thin, with straight veins. 

 Fruit large, eatable. May. Thorti. 



5. PYRUS. 

 Calyx superior, 5-cleft ; corolla of 5 roundish petals ; styles 

 2 — 5; pome 2— 5-celled, fleshy, baccate; cells 2-seeded ; 

 testa cartilaginous. 



Celtic pcren; Anglo-Saxon, ;7«-e; Fr., poire; Ldit., pyrus ; Eng., pear. — 

 From the Celtic api, a fruit, the Greeks obtained ct,7rioi, and the English apple. 

 Cal. segments deep, perm. Pet. roundish, much longer than cal., and longer 

 than the stam. Styles 2 — 5. Trees or shrubs, with flowers in terminal, cor- 

 ymbose cymes. Fruit eatable. 



1. P. AmERICa'NA. Do. Sorbus Americana. P. 



Leaves pinnate; lenflcls somewhat unequally serrate, smooth; petioles 

 smooth. A small tree in mountain woods, common in Me., N. H. and V't. 

 Hight 15 — 20 feet. It is often reared in shrubberies, chiefly for its large cor- 

 ymbs of white flowers, and its handsome bunches of fulvous berries wiiich suc- 

 ceed. It has smooth, pinnate leaves, each of 4 pairs of leaflets. Corymbs 

 terminal. May. Mountain Jsh. 



