288 DESCRIPTIONS OF THE SHRUBS 



species are in cultivation and but one, Japan Buddleia (496) — Buddleia 

 jap6nioa, — can be grown in Massacliusetts in sheltered places, though 

 Lindley's Buddleia (497) — Buddleia Lindley^na, — and Hybrid Budd- 

 leia — Buddleia intermedia, — (killed to the ground) are apt to grow up 

 and bloom in the middle states. Most of them bloom through the sum- 

 mer. All are best fitted for the southern states. They should have well- 

 drained soil and sunny position. [Seeds ; twig cuttings.] 



KEY TO THE SPECIES OF BUDDLEIA 



* Elowers in elongated terminal clusters with long slender tube and 



spreading border. (A.) 

 A. Mowers violet or lilac with no orange-yellow. (B.) 



B. Leaves 3-6 inches long and slightly notched; flower-clusters 

 4-8 inches long and soinewhat pendulous at the tips ; stems 

 winged at the 4 edges. Japan Buddleia (496) — Buddleia 

 jap6nica. 

 B. Leaves 2-4 inches long, pale beneath, slightly notched ; clusters 

 3-5 inches long and erect ; stem 4-sided. Lindley's Buddleia 

 (4i)7) — Buddleia Lindleyilna. 

 B. Leaves 4-5 inches long, dark green above ; clusters 10-20 inches 

 long and arching. Hybrid Buddleia — Buddleia intermfedia. 

 B. Leaves often whorled in 3's ; branches distinctly 4-winged; 

 clusters 4-6 inches long and erect with rosy violet flowers. 

 Buddleia intermedia insfgnis. 

 A. Flowers violet with orange-yellow mouth in dense erect clusters 

 4-6 inches long. Chinese Buddleia (498) — Buddleia vari- 

 abilis. 

 A. Flowers yellow, in winter ; leaves dark above, whitish or yellow- 

 ish below. Hardy only in extreme South. Madagascar Budd- 

 leia (499) — Buddleia madagascarifesis. 



* Flowers large, 1 inch wide, with a broad tube purple or criinson 



with white mouth. Colvill's Buddleia (500) — Buddleia 

 Colvillei. 



* Flowers in globular, head-like, axillary, long-stemmed clusters, 



orange-yellow. Globe-flowered Buddleia (501) — Buddleia 

 glob6sa. 



Cary6pteris Mastacinthus. Blue ' Spirea ' or Chinese Beardw'ort 

 (502) is a beautiful, late-flowering plant, August to November, shrubby 

 only at base. It is fully hardy South, and in the North, if cut back in 

 the spring, it will grow vigorously and bloom in the fall. It has opposite 



