chap, vi.] THE KITCHEN-GARDEN. 181 
the garlic. It is very difficult to grow, as it 
is apt to be attacked by a kind of maggot; 
but it has been found to succeed planted in 
cup-shaped hollows like the leek. 
All the onion tribe require a light, rich, 
well-drained soil; and they always succeed 
best where there is a gravelly subsoil. 
Salad plants ,—These are very numerous, 
and include lettuces, endive, small salads, 
celery, &c. It is somewhat remarkable that 
nearly all these were known to our ancestors, 
and were in common use at British tables 
dressed much as we dress them now, while 
the potatoe was yet unknown, or only eaten 
as a sweetmeat stewed with sack and sugar. 
The lettuce is said to have been introduced 
in 1562, but from what country is unknown. 
There are numerous varieties, but they may 
be all referred to two kinds; the cabbage 
lettuces which grow flat and spreading, and 
the cos lettuces which grow compact and 
upright. Lettuces are generally sown broad¬ 
cast, like turnips or spinach, on beds of rich 
mellow soil, at any season from January to 
October; and the cabbage kinds require no 
after care, but weeding and thinning out w 
The cos lettuces are, however, generally 
