May.~\ HOT-HOUSE — OF REPOTTIXG, ETC. 173 
T. coccinea, red ; T. grandiflbra, blue ; T. frdgrans, white 
sweet-scented; T. aldta has pretty buff and purple flowers, 
which are in great profusion. If sown in May, they will 
bloom from July until killed by frost. T. ckrysops, beauti- 
ful blue, with a dark brown eye, a plant of dwarf habit re- 
quiring partial shade. This makes a very pretty annual in 
the flower-garden, with its beautiful white variety, forming an 
elegant contrast. (Soil Xo. 13.) 
Torenia Asidtica, an exquisite tropical, soft-wooded plant, 
producing a profusion of waxy, porcelain blue flowers, tipped 
with rich violet purple. [A plant now before us has been 
covered with flowers the past twelve months.] Requires 
partial shade ; admirably adapted for parlour culture, and 
does well out of doors in summer where it is moist. 
Tradescdntia discolor. Purple-leaved spider wort. This 
is an herbaceous plant, and is only cultivated for its beauti- 
ful purple foliage. It has curious small white flowers. (Soil 
No. 10.) 
Cranio, specidsa, a gigantic-looking plant closely connect- 
ed to JIusa, from which it differs in habit by the large leaves 
being more erect : to grow it luxuriantly, give it plenty of 
heat, water, and pot-room. (Soil Xo. 12.) 
Zdmio, a genus of plants in the natural order of Cyca- 
dese. Several species of them are admired. Z. media, Z. 
furfurdcen, Z. tenuis, Z. integrifblia, are the most showy 
that belong to the hot-house. The whole genus is frequently 
kept in this department. They are all plants of a slow 
growth, and the beauty is entirely in the pinnated fronds, 
with from ten to forty pairs of leaflets. The pots must be 
well drained. (Soil Xo. 11.) 
Those genera of plants which we have enumerated under 
the head of repotting in this or next month, are composed 
of the finest hot-house plants that have come under our obser- 
vation. There are perhaps a few of them that are not to 
be found in the United States, or even on our continent ; 
but the great object in a choice collection of plants, is to 
have the finest from all parts of the known world. There 
are many plants whose nature does not require much support 
from soil, which is frequently observed in those that are 
mentioned. And there are many hundreds of plants desir- 
able for beauty, ornament, and curiosity, which would take 
volumes to specify and describe. In fact, every year brings 
15* 
