XXVI. ROSA'CEE: PYRUS. 44] 
791. P. americana. 4 
Spec. Char., &c. Leaflets acute, almost equally serrated, glabrous, as is the 
petiole. Pomes globose, of a purplish tawny colour. (Dec. Prod.) A 
tree, closely resembling the common mountain ash. Canada and New- 
foundland, in woods. Height 15 ft. to 20 ft. Introduced in 1782. Flowers 
white; May. Fruit bright scarlet ; ripe in September. Decaying leaves 
yellowish green. Naked young wood dark purplish. 
It is, apparently, 2 more robust-growing tree than the European mountain 
ash, with larger leaves, shining above, and smooth beneath ; but, in reality, it is 
more tender. Though it has been many years in the country, we do not 
know of a large, old, handsome specimen of it any where. It is propagated 
by grafting on the common mountain ash. On account of the brilliant colour 
of the fruit, and the large size of the bunches in which it is produced, this 
species well deserves a place in collections. 
¥ 31. P.microca’rea Dec. The small-fruited Service. 
Identification. Dec. Prod., 2 p. 636. ; Don’s Mill., 2. p. 648. 
Synonymes, Sérbvus aucuparia « Michz. Fl. Bor. Amer, 2. p. 291.; S. micrantha Dum.Cours. ed. 2. 
p. 464. ; S. microcdrpa Ph. Fl. Amer. Sept. 1. p. 341. 
Engravings. Our fig.2090.in p. 1107. 
Spec. Char., §c. Leaflets glabrous, acuminate, unequally incisely serrated ; 
the teeth tipped with a bristle-like mucro. Petiole glabrous. Pome glo- 
bose, scarlet. (Dec. Prod.) A large shrub or low tree. North America, 
Carolina to New York. Height 10 ft. to 12 ft. Introduced ?. Flowers 
white ; May and June. Fruit scarlet, small ; ripe ?. 
According to Pursh, this species is very distinct from P. americina; from 
