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densely clothed with glandular hairs. Calyx bell-shaped :
hve-cleft : the segments oblong, obtuse, keeled at the back,
smooth and glossy. Petals 5, ovately lanceolate, acute,
keeled at the back, three-nerved, tapering to the base in a
long slender claw. Stamens 10; Jilaments long and slender,
tapering to the point, pale lilac ; anthers round, violet. Styles
two, rather shorter than the filaments, straight, lilac, each
terminated by a minute headed Stigma.
For the opportunity of giving so fine a figure of this beautiful
and rare little plant, we are obliged to Mr. W. Anderson
Curator of the Apothecaries’ Garden at Chelsea, where
it flowered luxuriantly and abundantly last Spring: the
plants were received from Mr. Schleicher, of Bex, in Switzerland,
and appear to thrive as well as S. oppositifolia, though
It has generally been supposed to be difficult of cultivation •
a very sandy peat mixed with a little light sandy loam is the
best soil for it, and it may either be planted in rock-work,
in a sheltered situation, or grown in small pots, which must
be well drained with a handful of potsherds broken small
that R may not become stagnated with too much moisture ;
in Winter, if there should set in a dry frost, it will need a little
protection ; a little litter of any kind, or a mat, will be all
lat IS needed ; or should there be a good covering of snow
on the ground, that will be sufficient, as it is a native of the
high mountainous parts of Switzerland, where it is covered
with snow several months in the year : it is readily increased
by seeds, or dividing at the root.
According to Linnæus, the generic name is derived from
the Latin, and is intended to represent the plants composing
It, as growing among broken rocks, which is the natural
habitation of many of the species, and are therefore very
properly termed rock-plants.
1- Flower detached, showing the bracte at the base. 2. Calvx, divested of the ne
ments"of tlmeaWx 4 Th'"in alternating with the
^ a t e L v t h M ^ i ; 1 a stamens, showing their insertion. 5. Ovarium, termi-
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