2G0 DESCRIPTIONS OF THE SHRUBS 



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

 shrub 4-10 feet. Flame Azalea (440) — l^hodod6ndron 

 calendulaceum (Azalea calendulacea). 

 D. Yellow and very fragrant, 2-2^ inclies 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. Elowers 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 

 yellow, orange, or pink blooming at time of leaf expansion, 

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

 lea — Azalea sinensis (Rhododendron sin^nse). 

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

 inirple without spots, smooth outside, stamens 10, blooming 

 before the leaves, April, May. (B.) 

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

 dendron canad^nse (Azalea canadensis). 



E. Shrub 3-8 feet ; leaves j^ellowish beneath. Rhombic-leaved 

 Azalea — Azalea rhdmbica (Rhododendron rhombfcum). 



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. Vasey's Azalea (442) — Azalea Vaseyi (Rhododendron 

 Vaseyi) . 



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

 glandular-hairy. (G.) 

 G. Flowers purple. Azalea (Rhododendron) Albr^chtii. 

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

 pdnbachii. 

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

 erally evergreen ; stamens 5-10. Shrub 1-8 feet. Evergre1:n 

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

 named varieties and hybrids. 



Rhododendron. The Rhododendrons are among the most beautiful 

 of flowering evergreens. In spring and early summer, when in bloom, 

 the bushes, entirely covered with 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 



