190 ENGLISH BOTANY. 
in length, but always twice as long as broad and often three or 
four times as long, from about % to 2 inch in length. Seeds very 
minute, reddish brown, oval, finely punctured. Plant greyish 
green, more or less thickly clothed with stellately branched hairs. 
Mons. Jordan has described several distinct forms of this plant, 
which are enumerated above as synonyms; but a comparison of 
authenticated specimens of these leads me to believe that they 
cannot be separated, with the exception of Erophila glabrescens 
(Jordan), the pod of which is intermediate between that of typical 
D. eu-verna and D. brachycarpa; but the habit of E. glabrescens 
agrees better with that of D. eu-verna, and it seems preferable to 
refer it to that sub-species until continued cultivation has proved it 
to belong to one or the other, or that these two are merely varieties, 
and HE. glabrescens the connecting link between them. I have 
found a plant, apparently identical with E. glabrescens, by the side 
of the Thames above Richmond. 
Sup-Srecies? I.—Draba brachycarpa. Jord. (sub Eropuita). 
PuaTteE CXXXIV. Fic. 2.* 
D. precox, Reich. Ic, Fl. Germ. et Helv. Vol. II. Zetr. Tab. XII. Fig. 4233 (“non Stev.” 
Jord.). 
D. verna, var. 3, Koch, Syn. Fl. Germ. et Helv. ed. ii. p. 70. 
Pods roundish ovate or sub-orbicular, once and a quarter to 
once and a half as long as broad, scarcely narrowed towards the 
base, and obtuse at the apex, compressed. Seeds 12 to 20 in each 
cell of the pod. 
On walls, etc., in Yorkshire, and probably elsewhere. 
England. Annual or Biennial. Spring. 
This plant differs very little from the last except in the pod, 
but it seldom attains so great a size, being rarely more than 
3 inches. ‘The style is more distinct, and the leaves are more 
attenuated towards the apex; the fruiting pedicels closer together, 
and more spreading. Pods from } to ¢ inch long, and not nearly 
twice as long as broad. Mons. Jordan says that specimens of 
D. preecox (Sten.) in De Candolle’s Herbarium do not belong to the 
present plant. There can be no doubt, however, that Reichenbach’s 
figure under that name represents D. brachycarpa, a name which is 
here retained on account of the uncertainty attached to D. preecox. 
It is very possible that this plant may be merely a variety of 
D. eu-verna. 
Common Whitlow Grass. 
* Drawn for the present edition by Mr. J. E. Sowerby. The specimen is from 
Yorkshire, 
