OBDER 47. ROSACES. 329 



1 or 2 glands. Fls. rose-color, with the odor of prussic acid. Fr. largo, 1 to 2J' 

 diam., yellowish, tinged with purple, densely tonientous. About 200 varieties 

 of this delicious fruit are named and described in the catalogues of American 

 nurserymen. The double-flowered peach is a lu'ghly ornamental variety, blos- 

 soming in Apr. and May, but fruitless. 



B. L.EVIS. NECTARINE. Drupe glabrou-s.CAosely resembles the peach in 

 form, foliage, and fls. The fr. is 1 to 3' diam., smooth, yellow, purple, red, 

 &c. Of its numerous (about 25) subvarieties about a fourth are ding-stones 

 flesh adhering to the stone, and the remainder free-stones or clear-stones 

 flesh free or separating from the stone. \ 



8. AMYG'DALUS, Willd. ALMOND. Calyx 5-cleft, campanulate, 



deciduous ; petals 5 : drupes not fleshy, compressed : nucleus perforate 

 and furrowed, ovate, compressed, one edge acute, the other broad, ob- 

 tuse. Trees or shrubs. Lvs. conduplicate in vernation. 



1 A. commilnis "U'illd. Lvs. lanceolate, serrate, with the lower serratures 

 glandular ; fls. sessile, in pairs, appearing before the Ivs. From Barbarr. 

 Scarcely cultivated in this country for the fruit, which we receive mostly from S. 

 Europe. A double-flowered variety is highly ornamental in shrubberies, f 



2 A. nana Ait. DWARF SINGLE-FLOWERING ALMOND. Lvs. ovate, attenuate 

 at base, simply and finely serrate; fls. sutsessile, appearing before the Ivs. A 

 very ornamental shrub from Russia. Height about 3f, branching. Lvs. 3 to 6' 

 long, \ as wide, smooth, acuminate at each end. Fls. numerous. Petals oblong, 

 obtuse, roseate, often double. May, Jn. f 



3 A. pumila Ait. DWARF DOUBLE-FLOWERING ALMOND. Lvs. lanceolate, 

 doubly serrate; fls. pedicellate.- Native of China. A low shrub, highly orna- 

 mental, common in cultivation. Sts. 2 to 3f high, branching. Lvs. 3 to 5' by \ 

 to 1', acute at each end, smooth. Fls. very numerous, clothing the whole shrub 

 in their roseate hue, while the Ivs. aro yet small. May, Jn. f 



9. PHOTIN'IA, Lindl. (Gr. 0wr, 0wr6f, light; on account of its 

 brilliant leaves.) Calyx 5 toothed ; petals reflexed ; ovary villous, 2- 

 carpeled, half-superior styles glabrous ; fruit included in the fleshy 

 calyx ; testa cartilaginous. Elegant shrubs or trees, with coriaceous, 

 persistent Ivs. Panicles terminal. 



1 P. arbutifolia Lindl. Lvs. oblong-lanceolate, acute, distinctly serrate; 

 pedicels shorter than the cal California. Height 10 to 2 Of. Lvs. dark, shining 

 green, very rigid, rcvolute at edge. Fls. small, numerous, white. 



2 P. serrulata Lindl. Lvs. oblong, acute, serrulate ; pedicels longer than 

 r.alyx. China. Lvs. very smooth and shining. Fls. small, white. Both -are 

 hardy at the South. 



10. ERIOBOTRYA, Lindl. LOQUAT. (Gr. fytov, wool, fiorpvg, a 

 cluster of grapes ; alluding to its villous flowers.) Calyx woolly, of 5 

 obtuse teeth ; petals bearded ; stamens erect, as long as the sepals ; 

 styles 5, filiform, included, hairy ; pome 3 to 5-celled, closed ; chalaza 

 none ; radicle retracted within the cotyledons. Shrubs or trees, with 

 persistent Ivs. 



E. Japonica Lindl. Lvs. lanceolate, wavy, and serrate; flp. in terminal, 

 woolly racemes, with very short pedicels; fr. oval or roundish. Cultivated and 

 hardy at the South. ] is. small (3" diam.), white. Fr. about the size of the 

 gooseberry, bright yellow, and agreeable in taste, ripe earlj". -j- Japan. 



11. AMELAN'CHIER, Medic. SHAD-FLOWER. WILD SERVICE. (Fr. 

 Amelancier, the popular name of A. vulgaris.) Calyx 5-cleft, petals 

 5, oblong-obovate or oblanceolate ; stamens short ; styles 5, somewhat 

 united at base ; pome 3 to 5-celled, cells partially divided, 2-secdcd. 

 Small trees or shrubs. Lvs. simple, serrate. Fls. racemous, white. 



A. Canadensis Torr. & Gr. Lvs. oval or oblong-ovate often cordate at base, 



