177 



Malus ioensis x lancifolia n. hyb. .Specimens collected by Deam 

 in Grant County in 1907 and Huntington County in 1919 appear to be 

 this cross. It would be strange indeed if such closely related species 

 as these Malus and many Crataegus would not cross. 



2. AMELANCHIER. The Service Berries. 



Leaves densely white tomentose when young, Ijecoming green . 1 A. canadensis. 

 Leaves nearly or quite glabrous 2 A. Isevis. 



1. Amelanchier canadensis (Linnaeus) Medicus. Juneberry. 

 Service Berry. Plate 7.5. Leaves obovate, ovate, oval or oblong, 

 4-10 cm. (13^-3 inches) long, 2.,5-.5 cm. (1-2 inches) wide, cordate at 

 base, acute, or acuminate at apex, sharply and doubly serrate; blades 

 and petioles denselj^ white tomentose when young, persisting particular- 

 ly on petioles with age, green or yellowish green, not unfolded at flower- 

 ing time; racemes short, dense, silky tomentose pedicels, 15-2.5 mm. 

 (3^2-1 inch) long in fruit; petals linear or linear-oblong 10-14 mm. (3 g- 

 S/g inch) long; calyx 2.5-3 mm. broad, campanulate, glabrous or 

 somewhat woolly, calyx lobes oblong-triangular, obtuse, tomentose 

 2-3 mm. long, abruptly reflexed at the base when the petals fall; summit 

 of ovary glabrous; fruit scanty, maroon-purple, dry and tasteless; 

 flowers in April or May; fruit ripening June or July. 



Distribution. — Southern Maine to southern Michigan, Iowa, 

 Kansas, Missouri and south to Georgia and Louisiana. 



Bushy tree or shrub sometimes 10 meters (35 feet) high. 



Specimens have been seen from the following counties: Clark (Deam) 

 1913; Clay (Deam) 1913; Crawford (Deam) 1911; Floyd (Deam) 1913; 

 Fountain (L. A. Williamson) 1908; Jackson (Deam) 1911; Jefferson 

 (Deam) 1918; Jennings (Deam); Lagrange (Deam) 1915; Tippecanoe 

 (Dorner) 1900; Warren (Deam) 1911. 



2. Amelanchier laevis Wiegand. Smooth Juneberry. Service 

 Berry. {Amelanchier canadensis of Manuals, in part.) Plate 76. 

 Leaves ovate-oval to ovate-oblong or sometimes obovate or elliptical, 

 4-6 cm. (3^-234 inches) long, 2.5-4 cm. (1-13^ inches) wide, apex 

 short, acuminate, base cordate, rounded or sometimes acute, sharply 

 serrate, glabrous or with a few hairs when 5''oung, dark green and 

 slightly glaucous when mature, one-half or two-third grown at flowering 

 time; petioles glabrous; racemes many flowered, drooping, glabrous or 

 nearly so; fruiting pedicels 30-50 mm. {l}-'i-2 inches) long; petals 

 oblong-linear, 10-18 mm. (^s'M inch) long; calyx campanulate, 

 2.75-5 mm. wide, glabrous, sepals triangular, lanceolate, 3-4 mm. long, 

 abruptly reflexed at base when petals fall; summit of ovary glabrous; 



