20 
DESCRIPTIVE LIST OF NEW PLANTS. 
the mountains of Tolima and Quindiu, in the year 1846. The 
flowers are thrice the size of those of B. grandiflora , and the seg¬ 
ments of the corolla are not retuse, nor bifid, but acuminate. It 
flowered in September 1847, both in the stoves at Kew, and in 
those of Sion House, being derived from the same source. The 
corolla is hypocrateriform; tube long, slender, twice the length 
of the calyx; limb oblique, and somewhat two-lipped; of five 
large, spreading, ovate, acuminate segments, striated pale lilac 
beneath, dark purple above, throat white.— Bot. Mag. 4339. 
Gentiane^e. —•Tetrandria Monogynia. 
Exacum tetragonum tricolor (Hooker). An East Indian plant, 
for the seeds of which we are indebted to J. E. Law, Esq., of 
Tanna, Bombay. He finds it growing profusely in the Coucan, 
among long grass. The seeds being sown in the autumn of 
1846, produced flowering plants in the stove of the Royal Gardens 
in June 1847. The blossoms are highly ornamental; but, as 
the plant is annual, it may prove difficult in some seasons to 
ripen the seed. The flowers are borne in a cyme or panicle, and 
are variable in size and colour; usually the petals are large, 
obliquely obovate, acute, purple, more or less deep, and white at 
the base. The plant attains about a foot in height.— Bot. Mag . 
4340. 
Gesneriace^e. — Bidynamia Angiospermia. 
Gesneria triflora (Hooker). Tubers of this Gesneria were 
sent from New Grenada by Mr. Purdie, and flowering plants were 
in perfection in the Royal Gardens in the summer of 1847, con¬ 
tinuing a long time in blossom. The flowers are by no means 
so copious as in the G. Houdensis , to which the species is in some 
respects allied ; but the corollas and foliage too are larger. The 
flowers are produced three together on elongated pedicles, which 
unite in a solitary axillary peduncle; the whole is woolly, and 
the corolla is densely clothed with shaggy red hair, the mouth 
contracted, spotted; the limb of five, short, spreading, rounded 
lobes.— Bot. Mag. 4342. 
Rubiace^ .— Pentandria Monogynia. 
Gardenia nitida (Hooker). From the stove of Messrs. Lucombe 
and Pince, who raised it from seeds taken from a dried specimen 
gathered by Mr. Whitfield, at Sierra Leone. It proves to be a 
