CRUCIFERA. XXXIII. DRABA. 
naked, smooth ; leaves linear, somewhat keeled, ciliated ? acute, 
loosely rosulate; petals twice the length of the calyx and sta- 
mens ; pods oblong-elliptical, smooth; style very short. %. H. 
"Native of Caucasus, on Mount Schadagh, among stones near the 
limits of snow. Very like D. bruniefolia. . 
Heath-leaved Whitlow-Grass. Fl. June. 
foot. 
10 D. prtosa (Adams, from Fisch. in litt. D. C. syst. 2. p. 
337.) scape naked, smooth, 2 or 3-flowered; leaves linear, 
keeled, loosely rosulate, ciliated; calyx pilose ; petals twice the 
length of the calyx and stamens ; pods roundish-ovate, smooth. 
u.H. Native of the north of Siberia, at the river Lena. 
Pilose-calyxed Whitlow-Grass. Fl. May, June. Clt. 
Pl. 4 foot. 
11 D. a’spera (Adams, from Fisch. in litt. D. C. syst. 2. 
p- 337.) scapes naked, smooth ; leaves linear, keeled, stiff, cili- 
ated; calyx smooth; stamens hardly the length of the calyx; 
pods oblong; style very short. 2/.H. Native of the most 
northern part of Siberia, at the mouth of the river Lena. Habit 
of D. aizoides. 
Rough-leaved Whitlow-Grass. Fl. May, June. Pl. 2 inches. 
12 D. Savte RI (Hopp. ex. Spreng. syst. app. 240.) leaves 
spatulate, stiff, ciliated ; scape smooth ; stamens shorter than the 
corolla ; silicle ovate, smooth, crowned by the short style. 2/.H. 
Native of Switzerland on the Alps. l 
Sauter’s Whitlow-Grass. Pl. } foot. 
Cit. 1823. Pl. 4 
1825. 
Secr. II. Curysopra‘za (from yovooc, chrysos, gold, and 
Draba ; that is to say golden Drabas ; flowers yellow.) D. C. syst. 
2. p. 337. prod. 1. p. 167. Small perennial tufted plants with 
the leaves neither stiff nor keeled. Flowers yellow, with scarcely 
any, or very short styles. Silicles oval-oblong. 
13 D. a’tcera (Adams, from Fisch. in litt. D. C. syst. 2. p. 
337.) scapes naked, pilose; leaves oblong, flat, and are pilose 
with simple hairs, as well as calyxes; pods oblong; style very 
short ; stigma 2-lobed. 2%.H. Native of the north of Siberia ; 
on the shores of the Icy-Sea towards the mouth of the river 
Lena, and the Bay of St. Laurence. Habit of Draba alpina, but 
from it, as well as all the rest of the Chrysodrabas, it differs 
in the hairs being simple, not branched; it is also sometimes 
smooth. 
Var. B, subcarinata (D. C. syst. 1. c.) middle nerve of leaves 
rather prominent on the under surface. 
Var. y, brachycarpa (D. C. 1. c.) pods ovate, shorter. 
Algid Whitlow-Grass. PI. } foot. 
14 D. arrra (Lin. spec.896.exclusive of the synonyms. ) scapes 
naked, pubescent; leaves lanceolate, flat, pilose with branched 
hairs ; pods oblong; style very short. 4. H. Native of Lap- 
land, on dry rocks in the Alps, and of Norway in the Alps about 
Dover ; also of North-America, in the Bay of St. Laurence, and 
the island of St. Laurence. Wahl. fl. lapp. p. 173. no. 316. 
t. 11. f. 4. @Œder. fl. dan. t. 56. Flowers golden yellow, a 
little smaller than those of Draba aizotdes. The middle nerve of 
the leaf in the American plant runs even to its apex, with one 
tooth on each side, which is not the case in the European plant. 
Perhaps a distinct species. 
Alpine Whitlow-Grass. Fl. April, May. Clt. 1816. Pl. 3 inch. 
15 D. cGracta‘uis (Adams, mem. soc. nat. mosc. 5. p. 106.) 
scapes naked, covered with starry pubescence; leaves linear- 
lanceolate, entire, hispid with stellate hairs ; pods ovate, smooth ; 
stigma almost sessile. 2%. H. Native of Siberia, at the shore 
of the Icy Sea, at the promontory called Bykofskoy-mys, and at 
the river Lena, not far from a place called Shigansk. Differing 
from D. a‘lgida, to which it is nearly allied, by the leaves being 
narrower, pods ovate, and the calyx more villous. 
Icy Whitlow-Grass. Fl. May, June. Clt. 1825. Pl. 2 inches. 
183 
16 D. repens (Bieb. fl. taur. 2. p. 93. exclusive of the 
synonyms of Gmelin. suppl. p. 427.) scapes naked, smoothish ; 
leaves lanceolate, entire, pilose with 2-parted appressed hairs ; 
runners creeping; pods oblong, smooth. Y%. H. Native of 
Iberia in meadows, between the towns Kasbeck and Koby, also 
on the Caucasian Alps. Petals obovate, blunt, twice the length 
of the smooth calyx. 
Creeping Whitlow-Grass. Fl. May, Ju. Clt. 1825. Pl. 4 foot. 
17 D. Gerri (Adams in mem. soc. nat. mosq. 5. p. 107.) 
scapes naked, somewhat hispid ; leaves lanceolate, hispid, pilose 
with stellate hairs ; runners not creeping; pods oblong, smooth. 
Yy.H. Native of Siberia, from the river Yenessei to the eastern 
sea even to the banks of the river Lena about Shigansk ; also 
on the Ural mountains. —Gmel. sib. 3. p. 255. t. 56. This spe- 
cies is very like D. repens, and is sometimes confused with it. 
Var, P, porrécta (‘Trin.) runners very long, but not rooting. 
Var. y, cæspitòsa (Willd. herb.) runners shorter, but the 
scapes are longer. 
Gmelin’s Whitlow-Grass. 
4 foot. . 
18 D. rrmenta’ta (D. C. syst. 2. p. 339.) scapes naked, 
smooth; leaves obovate, narrowed at the base into the petiole, 
3-toothed at the apex, hairy; pods oblong, smooth. %. H. 
Native of the Alps of Caucasus. D. hispida, Bieb. fl. taur. 2. 
p. 94. exclusive of the synonyms, suppl. p. 428. About the 
height of D. répens, but it is destitute of runners. Differing 
from D. hispida by its larger stature and flowers, and longer pods. 
Three-toothed-\eaved Whitlow-Grass. Pl. 4 foot. . 
19 D. nisripa (Willd. spec. 3. p. 426.) scapes naked; leaves 
obovate, somewhat toothed, hispid from bifid hairs ; pods oval. 
u.H. Native of Cappadocia. Petals yellow, twice the length 
of the calyx. Style very short. Plant with the habit of /ré- 
phila vérna. . 
Hispid Whitlow-Grass. Pl. 2 inches. 
20 D. rnco’meta (Stev. in mem. soc. mosce. 3. p. 268.) scapes 
velvety, 3-times longer than the leaves ; leaves oblong, greyish- 
velvety from starry-hairs; pedicels shorter than the „flowers. 
Xy. H. Native of the Eastern Caucasus on rocks on Mount Ty- 
fendagh. Habit of Arétia Vitaliana. Flowers yellow. Petals 
twice the length of the velvety calyx. Deless. icon. sel. 2. t. 44. 
Undecked Whitlow-Grass. Fl. June. Clt. 1820, Pl. 2 inches. 
21 D. motui'sstma (Stev. in mem. 
Fl. May, June. Clt. 1823. Pl. 
soc. nat. mose. 3. p. 268.) scapes FIG. 49. 
smooth, naked, much longer than 
the leaves; leaves imbricate, oblong, 
; ` < MOA 
hoary-velvety with stellate hairs ; We a 
$ PA OD), SS) 
pedicels longer than the flowers. @ QQE A 
4%.H. Native of Eastern Caucasus Xg one obo, VE 
on Alp. Schadagh. Deless. icon. sel. ANTO / Se 
2. t. 45. Flowers yellow, about the PA Í D / a 
. aan SEZ SVP 
size of those of D. atzoides. (f.49.) |" À se 
Softest Whitlow-Grass. Fl. Ju. SMB 
Pl. 1 to 2 inches. Y dg 
22 D. Jorutie’nsts (H. B. et g 
Kth. nov. spec. amer. 5. p. 78.) QZ 
stem leafy, villous; radical leaves 4 
oblong-elliptical, stalked, some- 
what velvety ; pods elliptical, pu- 
bescent. %.F. Native of Mexico 
on the burning mount Jorullo. -Petals obovate, hardly longer 
than the calyx. 
Jorullo Whitlow-Grass. Pl. 4 to 4 foot. 
23 D. Totuccr’nsts (H. B. et Kth. nov. spec. amer. 5. p. 
78.) stems leafy, smoothish ; radical leaves oblong, somewhat 
hoary; pods elliptical, smooth. %. F. Native of colder parts 
of Mexico, particularly near the town of Tolucco at the height 
NSRI OV IOA, 
WWZ 
AN E 
