DESCRIPTIVE LIST OF FLOWERING SHRUBS. 415 
for covering naked buildings or trees, or for training into 
fanciful shapes, or a stake so as to form a standard. 
Tn this country it is not very common, but it appears to- 
succeed well in shady situations, There are some speci-. 
mens in the city of Boston, which flourish finely upon the 
rough granite or brick walls of buildings. It is easily 
propagated by cuttings or layers. There are a number 
of varieties of this, all of whicl are desirable. It grows 
to a great height, and attaches itself firmly to whatever 
it grows upon, without any assistance. 
HYPERICUM.—Sr. Jomn’s-wort. 
Some of the species of this genus have been noticed 
under Herbaceous Plants. 
Hypéricum prolificum.—Shrubby St. John’s-wort, is a 
native woody species worth cultivating. It is found in 
New Jersey and westward, grows from one to four feet 
high, and from July to September is covered with a pro- 
fusion of yellow flowers. 
+1 
HIBISCUS.—Rosz or SHanon. 
Hibiscus Syriacus.—Tree Hibiscus, Rose of Sharon; 
also called Althea frutex, Shrubby Altheea.—The herba- 
ceous species of Hibiscus have been mentioned in another 
place; this is an old and well-known shrubby species of 
easy cultivation. A great number of varieties have been 
produced, both single and double, and ranging in color 
from white to dark-purple. The single varieties are gen- 
erally more hardy than the double ones. Easily raised 
from seeds and from cuttings. It requires very severe 
pruning to keep it from growing loose and straggling. 
