capsules, often curved slightly just below the immature capsule,
but ultimately straight. Sepals lanceolate, with 1-3
hairy veins. Petals obovate-oblong, narrowed below, falling
short of the calyx, white. Stamens 10. Capsule ovoid-
oblong, thin, compressible even when ripe, usually rather
exceeding the calyx. Seeds minute, compressed, netted.
Godron remarks that although this plant and A. serpyllifolia
grow in similar places, he has never seen intermediate specimens
; and in that remark I quite concur. The plants are
now allowed to be distinct by most Continental botanists,
and also by the more accurate observers of British plants.
It seems, indeed, scarcely possible for specimens of them to
be placed side by side without their distinctness becoming
very manifest. Comparison of the plants is requisite to
acquire a true idea of them; but when that is obtained there
ought to be no further difficulty or scepticism concerning
them. The very much larger capsule, with its base much
inflated and its brittle texture when ripe, is alone sufficient
to distinguish A. serpyllifolia from A. leptoclados.
The specimens figured were gathered at Cambridge by the
writer of this article, on June 23, 1862. The plant has been
found near Sidmouth, Devonshire; Henfield, Sussex, where
Mr. Borrer long since identified it with the A. leptoclados;
Clevedon, Somerset; Bembridge, Isle of Wight; Wolvercot,
Oxfordshire; in many places in Cambridgeshire; Dovedale,
Derbyshire; and Wroxeter, Salop. It is probably not unfre-
querft throughout the southern half of the kingdom, flowering
in June, July, and August, and inhabiting dry places and the
tops of walls.—C. C. B.