182 DESCRIPTIONS OF THE SHRUBS 



KEY TO THE SPECIES OE AMELANCHIER 



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



A. Upright round-headed tree 25-40 feet ; leaves ovate with rounded 

 or notched base (3-4 inches long), serrated edge, dark and dull 

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

 Bush or Skrvice-berry (277) — Amelanchier canadensis. 



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

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

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

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

 flowered, petals ^ inch long; fruit globular (|^ inch). Shad 

 Bush or Common Dwarf or Northwestern Juneberry — 

 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 alnifolia. 



* More shrubby growths (oligocarpa, 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 Juneberkv 



— Amelanchier spicata (A. rotundifolia). 



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

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

 Low Juneberry (279) — Amelanchier spicata. 



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 (i inch long). Oblong-fruited Juneberry (280) 



— Amelanchier oligocarpa. 



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

 Mountain Ashes — S6rbus, Chokeberries — Ar5nia, and Medi.aks 

 — M^spilus — are often united into the one generic group Pj'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 o -namental. 



The most extensively cultivated species is Japan or Flowering Quince 

 (281) — Pyrus jap6nica, — a thorny shrub with large red, scarlet, or 

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

 not^t^ery 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 



