DESCRIPTIVE LIST OF FLOWERS. 357 
set one foot apart; or sow the seed in April. One foot 
high; very branching ; producing a long succession of blue 
flowers, which close at the approach of rain and in the 
evening. There is also a variety with white flowers. 
SPHENOGYNE. 
Sphenog {ne speciosa.—This is 2 most beautiful flower- 
ing annual from the Cape of Good Hope, growing about one 
foot high. The plant is of handsome foliage and a most 
profuse bloomer. The flowers open fully when the sun 
shines upon them, and then display a show of the most 
pleasing kind. The flower has some resemblance to the 
Calliopsis. Rays, yellow; disk, dark-brown; about two 
inches in diameter; in bloom from July to October. A 
bed of it would be a delightful contrast with some other 
dwarf plant of an opposite color, 
Se 
SPIR7ZA.—Meapow Sweet. 
[Name suppused to be from the Greek word meaning to entwine, in reference 
to the use of some of the species in garlands.] 
A large genus, comprising both herbaceous perennials 
and ornamental shrubs. 
Spiréa Ulmaria.— Meadow Sweet, or Queen of the 
Meadow.—A hardy herbaceous perennial, a native of 
Britain, where it abounds in moist meadows, perfuming 
the air with the Hawthorn-like scent of its abundant 
white blossoms; in June, July, and August. It grows 
three or four feet high. 
“ Each dry entangled copse empurpled glows 
With Orchis blooms; while in the moistened plain 
The Meadow-sweet its luscious fragrance yields.”—Dr. Bidlake’s Year. 
The double kind, S. Ulmaria plena, is an improved va- 
riety of the single. A large mass of it is quite imposing ; 
