XXVI. ROSA^CEJE '. CRATVE^GUS. 



367 



edges, like those of the common parsley ; but this fringed appearance 

 is by no means constant, either in the variety or in the species. This 

 variety forms a most ornamental low bush ; or, when grafted standard 

 high, a beautiful pendent tree. 



ix. MicrocarpfE. 



Sect. Char. Fruit small, round, red. Flowers small, produced in corymbs, 

 later in the season than in any of the other species. Spines few, but some- 

 times very large. 



16. C. CORDA V TA Mill. The heart-shaped-leaved Thorn. 



Identification. Mill. Ic., t. 179. ; Dec. Prod., 2. p. 628. ; Don's Mill., 2. p. 599. 



Synonymes>. M. Phaenopynrm Linn. ; M. cordata Mill. ; C. populitblia Walt. Car. 147., and 



Pursh Sept. 1. 337. ; 3/espilus acerifolia Pair. Diet. 4. p. 442. 

 Engravings. Mill. Ic., t. 179.; Wats. Dend Brit- 1. 63. ; Bot. Reg., t. 1151. ; fig. 703. in p. 396. 



the plate of this species in Arb. Brit., 1st edit., vol. vi. ; and our fig. 652. 



Spec. Char., Sfc. Disks of leaves cordate- ovate, angled by lobes, glabrous 

 Petioles and calyxes without glands. Styles 5 in a flower. (Dec. Prod.} 

 A compact, close-headed, small tree, with leaves of a deep shining green. 

 Canada to Virginia, in hedges and rocky places. Height 20 ft. to 30 ft. 

 Introduced in 1738. Flowers white, in numerous terminal corymbs ; May 

 and June. Fruit small, scarlet ; ripe in October. 

 A very distinct and handsome species. 



* 17. C. SPATHULA'TA Elliott. The spathula-shaped-leaved Thorn. 



Identification. Elliott Fl. S. Car., 1. p. 552.; Lodd. Bot. Cat., t. 1261. 

 Synonymes. C. microcarpa Lindl. Bot. Reg. t. 1846. ; C. fldrida Godefroy. 



Engravings. Bot. Cab., t. 1261.; Bot. Reg., t. 1846. ;fig. 704. in p. 396. ; the plate of the species 

 in Arb. Brit., 1st edit., vol. vi. ; and our fig. 653. 



Spec. Char., $c. Subspinose. Leaves in fascicles, oblong cuneated, 3-cleft, 

 lobed and crenated, smooth, shining. Corymbs many-flowered. Calyx 

 smooth; segments ovate, quite entire. Fruit ovate, subrotund, smooth, 



