260 DESCRIPTIONS OF THE SHRUBS 



or nearly so, May, June, stamens thickened near the middle; 

 shrub 4-10 feet. Flame Azalea (440) — Rhododendron 

 calenduiaceum (Aza,lea calendulSxiea). 

 D. YeUow and very fragrant, 2-2| inches broad. May; branch- 

 lets hairy ; shrub 2-6 feet. Rare in. cultivation but hybrids 

 have been given the name. Pontic Azalea (441) — Azalea 

 pdntica. 

 B. Flowers white, yellow, orange, pink, red, lilac, etc., blooming 

 May-July. Hybrid or Ghent Azaleas — Azalea ganda^ 

 v^nsis. 

 A. Corolla with a broader tube which is pubescent but not glandular 

 outside, stamens (5) shorter than the spreading portion, flowers 

 yeUow, orange, or pip.k blooming at time of leaf expansion, 

 April, May ; branches hairy. Shrub 3-8 feet. Chinese Aza- 

 . LEA — Azalea sinensis (Rliododfedron sin^nse). 

 A. CoroUa with a, short tube and broadly spreading border, rose- 

 purple without spots, smooth outside, stamens 10, blooming 

 before the leaves,' April, May. (E.) 

 E. Shrub 1-3 feet ; leaves glaucous beneath. Rhodora — Rhodo- 

 dendron canad^nse (Azalea canadensis). 



E. Shrub 3-8 feet ; leaves yellowish beneath. Rhombic-leaved 

 Azalea — Azalea rhdmbica (Rhododendron rhombieum). 



A. Corolla with a short tube, broadly spreading border and upper 

 lobes spotted. (F.) 



F. Stamens usually 7 (rarely 5) ; bloom before leaves ; shrub 5-15 

 feet. Vaset's Azalea (442) — Azalea VSseyi (Rhododendron 

 Vaseyi). 



F. Stamens 10 ; blooming with the leaves ; shrub 2-5 feet ; branches 

 glandular-hairy. (G.) 

 G. Flowers purple. Azalea (Rhododendron) Albrfehtii. 

 G. Flowers pale rose color with brownish spots. Azalea Schlip- 

 p^nbachii. 

 * Leaves and flowers from the same terminal bud ; leaves thick and gen- 

 erally evergreen; stamens 5-10. Shrub 1-8 feet. Evergreen 

 Azalea — Azalea indica (Rhododendron fndicum) — and its many 

 named varieties and hybrids. 



Rhododendron. The Rhododendrons are among the most beautiful 

 of flowering evergreensf In spring and early summer, when in bloom, 

 the bushes, entirely covered vrith great heads of the large bright colored 

 flowers and, through the year, the large thick glossy foliage render the 

 Rhododendrons objects of great beauty. There are three or four species 

 from which the endless hybrids have been obtained. One of these is from 



