D R A B A muralis.
Speedwell-leaved Whitlow-grafs.
TETRAD YNAMIA Silicuhfa.
Gen. Char. Pouch entire* long-oval: valves flattifh,
parallel to the partition. Style fcarcely any.
Spec. Char. Stem branched. Leaves heart-fhaped,
toothed, hairy. Pouch elliptical, obtufe, flat.
S yn. Draba muralis. Linn. Sp. PI. 897. Sm. Fl.
Brit. 679. Hudf. 278. With. 566. Hull. 143.
Burfa paftoris major, loculo oblongo. Rail Syn. 292.
G a t h e r e d by the Rev. Mr. Abbot, in flower April 14
laft, on the Wardon Hills, near Barton in the clay, Bedford-
fliire, and the fecond rare north-country plant which has rewarded
that gentleman’s perfeverance and acutenefs this fpring
in his own neighbourhood, fee t. 902. This Draba has fcarcely
before been found truly wild out of Yorkthire, though naturalized
on walls about Chelfea garden. Itloves a dry calcareous
foil, and rather fhady lituation.
The root is annual, fmall, fibrous, or fomewhat Ipindle-
fliaped. Stem a fpan high, branched from the bottom, leafy,
round, clothed with deprefled forked and ftellate hairs. Leaves
alternate, heart-fhaped; the uppermoft clafping the ftem ; the
loweft on fhort footftalks; all toothed, rough with Ample and
forked hairs intermixed. Flowers in a terminal corymbust
lengthened out as the fruit is fully formed into a very long
racemus, fmall, white, numerous. Petals undivided, obovate.
Pouch flat, not twilled, elliptical, bluntilh, fmooth, Handing
on the fpreading horizontal hairy flowerftalk, about twice its
own length. Style very fhort, crowning the pouch.