186 
Unalaschka Whitlow-Grass. Fl. May, Ju. Pl. 4 to į foot. 
50 D. av’rea (Vahh from Horn. fl. cecon. ed. 2. p. 599. fl. 
dan. t. 1460.) stem leafy, somewhat branched, velvety ; leaves 
oblong-linear, acute, entire, pubescent; pods linear, puberulous, 
twice or thrice the length of the pedicels. &. H. Native of 
Greenland. Hook. bot. mag. 2924. This is the only species 
in this section with yellow flowers, the rest being all white. 
Petals obovate, blunt, clawed. 
Golden-flowered Whitlow-Grass. Fl. May, June. Clt. 1824. 
Pl. 4 foot. 
Sect. V. Drase’tta (a diminutive of Draba.) D. C. syst. 2. 
p. 351. prod. 1. p. 171. Annual or biennial plants. Style none. 
Flowers small, yellow, or white. 
51 D. wu'rea (Gilib. fl. lith. in Ust. del. op. 2. p. 357.) stem 
branched, leafy, pubescent ; leaves oval, denticulated, pubescent ; 
pods elliptical-oblong, smooth, containing from 20 to 40 seeds. 
©. H. Flowers racemose, small, yellow. Petals blunt, almost 
elliptical, longer than the calyx. 
Var. a, brévipes (D. C. syst. 2. p. 351.) pedicels hardly twice 
the length of the pods. ©.H. Native of Armenia or Cappa- 
docia. Draba Póntica, Desf. cor. Tourn. p. 67. t. 51. ann. du. 
mus. 11. p. 381. t. 38. 
Var. B, léngipes (D. C. 1. c.) pedicels three or four times 
longer than the pod. ©.H. Native of the north of Caucasus 
in grassy places and on hills ; about Grodno, Dorpath, Moscow, 
Petersburgh; also in the Ural mountains and Dauria. D. 
lutea, Gilib. 1. c. D. muralis, Steph. fl. mose. p. 29. Bieb. fi. 
taur. no. 1246. suppl. p. 428. 
Yellow-flowered Whitlow-Grass. 
Pl 2 foot. . 
52 D. nemora‘.s (Lin. spec. ed. 1. p. 643. Houtt. pf. syst. 
4. t. 60. f. 1.) stem branched, leafy, pubescent; leaves ovate, 
tooths, pubescent; pods elliptical-oblong, containing from 32 to 
36 seeds, velvety with small hairs. ©. H. Native of Japan 
by way-sides; in Russia in groves; in Tauria and Caucasus in 
fields; in Transylvania in shady mountains; in the Carpathian 
mountains and the Pyrenees. It is said also to grow in Sweden 
and North America. Dràba muràlis, Thunb. fl. jap. 259. 
Flowers yellow, differing but little from D. lùtea, unless that the 
pods are pubescent, not smooth. ; 
Grove Whitlow-Grass. Fl. May, June. Clt. 1759. Pl. 4 foot. 
53 D.mura' cis (Lin. spec. ed. 1. p. 643.) stem branched, leafy, 
pubescent; leaves ovate, toothed, somewhat cordate, stem-clasp- 
ing, rather hairy ; pods elliptical-oblong, smooth, containing 12- 
16 seeds. ©. H. Native of England on the shady sides of 
limestone mountains, butrare. In several partsof Craven, York- 
shire, about Malham Cove; at old Malton on walls, on the Wardon 
hills, Bedfordshire, on dry banks at Emborough, Somersetshire, 
naturalised on the walls of Chelsea Botanic Garden, as likewise 
about the old Botanic Garden, Edinburgh. It is also to be found 
throughout the whole of Europe on the shady sides of walls, 
rocks, and mountains. Smith, engl. bot. t. 912. Lam. ill. t. 
556. f. 2. Hook, fl. lond. t. 64. D. nemordsa, All. ped. no. 
897. D. ramosa, Gater. fl. montaub. 114. D. nemoralis, Delarb. 
fl. auv. ed. 2. vol. 1. p. 371. Flowers small, white; petals 
obovate, entire. 
Wall Whitlow-Grass.. Fl. April, May. Engl. Pl. 3 to 1 ft. 
54 D. Carorinra'na (Walt. fl. carol. 174.) stem leafy at the 
base and hispid, smooth at the top and naked ; leaves ovate- 
roundish, entire, hispid; pods linear, smooth, longer than the 
pedicels. ©.H. Native of North America in sandy fields from 
Pennsylvania to Carolina, and on the banks of the river Mis- 
souri, Virginia, New York, &c. &c. Draba hispidula, Mich. fl. 
bor. amer. 2. p. 28. Flowers small, white. 
Carolinian Whitlow-Grass. Fl. March, April. 
1 
Fl. May, Aug. Clt. 1825. 
Pl. lor 2 in. 
CRUCIFERÆ. XXXIII. 
DRABA. 
+ Species, the generic characters of which are doubtful, or not 
sufficiently known. 
55 D. vumr'nio (R. Br. in D. C. syst. 2. p. 353.) scapes 
naked, 1-flowered ; radical leaves ovate, entire, stalked ; pods 
ovate. ©. H. Native of Van Diemen’s Land. Flowers small, 
white. Calyx spreading. Root perpendicular. 
Dwarf Whitlow-Grass. Plant hardly 1 inch. 
56 D. vesicaria (Desv. journ. bot. 3. p. 186.) scapes naked, 
covered with stellate hairs; leaves crowded, oblong, velvety . 
with stellate down, and ciliated with simple hairs; pods ovate, 
inflated, hairy. 2.H. Native of Palestine on rocks and moun- 
tains, and of Syria on Mount Lebanon. A little tufted plant 
with yellow flowers. 
Bladder-podded Whitlow-Grass. Pl. 1 inch. 
57 D. purcue’ta (Willd. herb. from Stev. obs. ined. D.C. 
syst. 2. p. 354.) scapes naked; leaves lanceolate, quite entire, 
covered with stellate down on both surfaces ; pods ovate, smooth. 
Native of Persia on the alps in the province of Ghilan. 
Pretty Whitlow-Grass. Pl. 1 inch. 
58 D. areriorpes (H. B. et Kth. nov. spec. amer. 5. p. 77. 
t. 435.) scapes naked; leaves oblong, blunt, villous, imbricated ; 
pods ovate, villous. X4. G. Native of South America on thé 
Andes of Quito, in the valleys of Mount Antisana at the height 
of 3400 feet. Arètia càna, Willd. herb. from Kunth. Androsàce 
cana, Roem. et Schult. syst. 5. p. 786. Flowers small, yellow. 
Aretia-like Whitlow-Grass. Pl. 1 inch. 
59 D. viora'cea (D.C. syst. 2. p. 354.) stem suffruticose, 
branched, diffuse ; leaves opposite, ovate, downy ; pods oblong. 
h.G. Native of South America in very cold snowy places on 
Mount Assuay in Quito at the height of 3740 feet. Draba 
Bonplandiana, H. B. et Kth. nov. spec. amer. 5. p. 78. Petals 
ovate, violet. 
Violet-flowered Whitlow-Grass. Fl.? Pl. 4 to 1 foot. 
60 D. atyssorpes (H. B. et Kth. nov. spec. amer. 5. p. 79.) 
stem shrubby, branched, and is tomentose as well as ovate-oblong, 
scattered, serrated leaves; pods ovate-lanceolate, tomentose. 
u.G. Native of South America in the province of Pasto near 
Zapayes Guachucal and Quarchu at the height of 2500 or 
2800 feet. Hook, bot. misc. 2. p. 126. t. 32. A  frutescent 
herb with white flowers. 
Alyssum-like Whitlow-Grass. Pl]. 1 or 2 feet. 
61 D. ramosr'ssm™ma (Desv. jour. bot. 3. p. 186.)stem branched, 
trailing, smooth; leaves spatulate, remotely toothed, smooth. 
%.H. Native of North America. Pods smooth, compressed, 
not margined, often oblique, bearing a long style. 
Much-branched Whitlow-Grass. - P1. trailing. 
62 D. GLABE'LLA (Pursh, fl. amer. sept. 2. p. 434.) scape 
erect, generally bearing 2 leaves; leaves spatulate-lanceolate, 
smoothish ; racemes crowded with flowers ; pods ovate-lanceo- 
late, acute. ©. H. Native of North America at Hudson’s 
Bay. Flowers probably white. 
Bald Whitlow-Grass. Pl. 1 inch. 
63 D.? rævica ra (Cham. et Schlecht. Linnea. 1. p. 25.) stem 
leafy, simple, smooth, straight; radical leaves and lower cauline 
ones stalked, ovate, tapering to the base, rather fleshy, with ob- 
soletely ciliated margins; pods oblong-lanceolate, smooth, 4 or 
6-times longer than the pedicel. 2/.H. Native of the island of 
St. Lawrence. A plant of peculiar habit from being deficient of 
the tufts ofleaves. Root thick, descending. Flowers white, at 
first corymbose, but at length racemose. Petals unguiculate, 
obovate. 
Smoothed Whitlow-Grass. Fl.June. Pl. + foot. 
_ Cult. The whole of the species of this genus are pretty 
little plants, particularly the species contained in the two first sec- 
tions; they are-well adapted for ornamenting rock-work, but as 
