182 DESCRIPTIONS OF THE SHRUBS 



KEY TO THE SPECIES OF AMELANCHIEE 



* Tall-growing more or less tree-like forms. (A.) 



A. tTpright round-headed tree 25-40 feet ; leaves ovate vfith rounded 

 or notched base (3^ inches long), serrated edge, dark and dull 

 green above ; fruit \-^ inch, red to purple with a bloom. Shad 

 Bdsh or Service-beeiiy (277) — Amelanchier cauadfinsis. 



A. Shrub or small tree, though sometimes reaching the height of 

 30 feet ; leaves oval-oblong pointed at tip, rounded and sometimes 

 notched at base, densely white-woolly beneath when young and 

 somewhat so even in age ; flower-clusters short and many- 

 flowered, petals I inch long; fruit globular (J inch). Shad 

 BnsH or Common Dwarf or Northwestern Juneberrt — 

 Amelanchier canadensis Botry^pium (A. Botryapium). 



A. Shrub or tree 12 feet with broad blunt coarsely notched thick 

 leaves (1-1^ inches broad and long) ; fruit large — sometimes 

 nearly 1 inch, dark blue to black. Alder-leaved Service- 

 berry (278) — Amelanchier alnif 61ia. 



* More shrubby growths (oligocirpa, the tallest, less than 10 feet). (B.) 



B. Low straggling bush with rounded coarsely notched leaves (1-3 

 inches long) ; petals } inch long. Round-leaved Juneberrt 



— Amelanchier spicata (A. rotundifblia). 



B. Low, 1-3 feet high ; leaves |-1J inches long usually rounded at 

 both ends, serrate ; petals short and only about J inch long. 

 Low JuNEBERRY (279) — Amelanchier spicS,ta. 



B. Shrub 2-9 feet high with nearly solitary flowers (1 to 4) ; leaves 

 narrow — about 3 times as long as broad, sharply serrate ; fruit 

 pear-shaped (J inch long). Oblong-fruited Juneeerry (280) 



— Amelanchier oligooirpa. 



Pyrus. The Pears — Pyrus, Apples — MWus, Quinces — Cyd6nia, 

 Mountain Ashes — S6rbus, Chokebekries — Ar6nia, and Medlaus 

 — Mfepilus — are often united into the one generic group P^rus and for 

 our purpose are placed in one key. Most of the species are cultivated for 

 their useful fruits and are trees in form and- size and so not properly in- 

 cluded here. A few are always shrubby and some are very ornamental. 



The most extensively cultivated species is Japan or Flowering Quince 

 (281) — Pyrus japdnica, — a thorny shrub with large red, scarlet, or 

 white flowers in early spring, about the time the leaves expand. The large 

 not very edible quince-like fruit is ripe in the fall. The leaves are alter- 

 nate, simple, notched, and have at their bases conspicuous stipules. The 

 flowers, if single, have 5 nearly orbicular petals and usually grow in 



