POMACE^E. Ill 



ries 1 5, adhering to the side of the calyx ; ovules ascending, 

 2, collateral, rarely solitary; styles 15; stigmas simple. 

 Fruit an apple, 1 5-celled, or spuriously 10-celled ; endo- 

 carp cartilaginous or bony. Seeds solitary, ascending ; al- 

 bumen none ; embryo erect, with flat, rarely convolute cotyle- 

 dons, and a short conical radicle. 



Trees 'Or shrubs. Leaves alternate, stipulate, simple or com* 

 pound. Flowers in terminal cymes, white or pink. 



L CRAT^EGUS. Linn. 



Calyx with the tube urceolate, and the limb 5-cleft. Petals 

 spreading, orbicular. Stamens many. Ovary 2 5-celled. 

 Styles glabrous. Pome fleshy ovate, closed by the teeth of 

 ihe calyx or incrassated disk. Putamen bony. 



Icosandria. Di-Pentagynia. 

 * Ideates dentate or subentire, not lobed. 



1. C. crus-galli Ait. : thorny ; leaves obovate-wedgeform, subsessile, 

 shining, coriaceous ; corymbs compound ; lobes of the calyx lanceo- 

 late, subserrate ; flowers digynous ; fruit small, mostly 1-seeded. C. 

 Lutida Wangh. amcr. 



HAB. Borders of woods. Can. to Car. W. to Miss. May, 

 June 1?. A shrub or small tree much branched and with long 

 spines. Flowers white in a corymb. Style often solitary. Fruit 

 red. There are several varieties of this species. 



2. C. punctata Jacq. : thorny or unarmed ; leaves obovate-cuneate, 

 smooth, somewhat plaited, serrate, tapering at base into a petiole ; 



calyx villous ; lobes subulate, very entire ; fruit subglobose, with the 

 summit depressed. 



HAB. Woods and swamps. Can. to Car. May. T>. A small 

 tree. Leaves sometimes hairy beneath. Corymbs many-flow- 

 ered, pubescent. Fruit red and yellow. 



Common Thorn-tree. 



3. C. dliptica Ait. : thorny ; leaves elliptical, unequally serrate, 

 smooth ; petioles and calyx glandular ; fruit globose, 5-seeded. 



HAB. Dry swamps. Can to Car. May. I?. Calyx with the 

 segments obtuse. Fruit small, red. Pursh. 



4. C. parviflora Ait. : thorny ; leaves obovate-wedgeform, subsessile, 

 incisely serrate, pubescent ; flowers subsolitary, pentagynous ; lobes 

 of the calyx laciniate, villous ; fruit subturbinate, with 5 bony 1-seeded 

 nuts. C. tomentosa Linn. Mespilus laciniata Walt. 



HAB. Sandy woods. N. J. to Car. June. T>. Shrub 4 feet 

 high, with the younger branches and leaves tomentose. Fruit 

 large yellow. 



