CRUCIFERZ. 
ones ovate, clasping the stem ; petals erect, linear, twice the length 
of the calyx. ¢.H. Native of Kamtschatka. Horn. hafn. 2. 
p- 619. A. hirsuta, var. Cham. et Schlech. in Linnea 1. p. 15. 
Petals linear, blunt, white. Pods very upright. 
Narron-petalled Wall-Cress. Fl. Jul. Cit. 1826. Pl. = ft. 
19 A. curtisrtieua (D.C. syst. 2. p. 223.) leaves oblong, 
nearly entire, ciliated with simple hairs, radical ones drawn out 
along the petiole ; cauline ones clasping the stem a little; pe- 
dicels length of calyx; pods erect. &. H. Native of Scania. 
Turritis curtisiliqua, Fries ex Horn. herb. Flowers white. 
Short-podded Wall-Cress. Fl. May, Jul. Clt. 1820. Pl. 3 ft. 
§ 3. Sessilifolia. 
cuncated, erect. 
20 A. Attio’nu (D.C. fl. fr. 4. p. 676.) leaves smooth, ra- 
dical ones ovate-oblong, somewhat toothed, drawn out at the 
base, stem ones sessile, ovate, serrated; pedicels rather longer 
than the calyx; pods erect. 2%. H. Native of Piedmont in 
humid meadows. ‘Turritis stricta, All. auct. p. 18. T. nemo- 
rénsis, Wulf. Flowers white. Calyx pale, at last spreading a 
little. Stem simple. 
Allioni’s Wall-Cress. FI. May, June. Clt. 1804. Pl. 1 to 2 ft. 
21 A. mura‘ tis (Bertol. dec. ital. 2. p. 37.) leaves covered with 
branched hairs, radical ones spatulate, bluntly-toothed, stem ones 
ovate, acutely toothed ; racemes straight ; pedicels at last double 
the length of the calyx. 4%. H. Native of Etruria. Cevennes, 
Savoy and Vallais on rocky mountains. A’rabis himilis, Schleich. 
pl. helv. A tufted plant, with white flowers. Petals oblong. 
Wall-Cress. Fl. May, June. Clt. 1820. Pl. = foot. 
22 A. stricta (Huds. angl. 292.) leaves ciliated-scabrous, 
with bifid hairs, radical ones oblong, tapering to the base, some- 
what lyrately-pinnatifid, stem ones oblong, almost entire ; racemes 
straight; pedicels hardly longer than the calyx ; pods.elongated, 
erect. Y.H. Native of the temperate parts of Europe on 
calcareous rocks. In England on lime-stone rocks, particularly 
on St. Vincent’s Rocks near Bristol, and on the south side of the 
Avon about a mile below the hot wells, but sparingly. It is also 
said to be a native of Labrador. Smith, engl. bot. t. 614. 
Turritis Rayi, Vill. dauph. 3. p. 326. t. 38. A. hispida, Ait. 
hort. kew. ed. 1. vol. 2. p. 400. but not of Lin. A. hirta, Lam. 
dict. 1. p. 220. A. montana, Bern. A tufted plant, with white 
flowers. 
Straight Wall-Cress. Fl. May, June. Britain. Pl. 4 to 4 ft. 
23 A. cxia ra (R. Br. in hort. kew, ed. 2. vol. 4. p. 107.) 
leaves somewhat toothed, smooth, ciliated, radical ones nearly 
sessile, oval-oblong, stem ones oblong ; racemes straight; pedi- 
cels length of calyx. &. H. Native of the Alps in the southern 
parts of Europe, particularly the Pyrenees. In Ireland by the 
sea-side at Rinville, Cunnamara, &c. Turritis alpina, Lin. syst. 
veg. ed. 13. p. 505. Willd. spec. 3. p. 545. Smith, engl. bot. 
t.1746. Turritis ciliata, Willd. spec. 3. p. 544. A. Madonia, 
Presl. Closely allied to 4. stricta, but differs from it in the 
root being biennial, not perennial. Flowers white. 
Ciliated-leaved Wall-Cress. Fl. Jul. Aug. Ireland. PI. 4 ft. 
24 A. inca‘na (Roth. cat. bot. 1. p. 79.) leaves all sessile, 
and somewhat toothed, hoary with branched hairs, radical ones 
obovate-oblong, stem ones oblong; racemes erect ; pedicels at 
least twice as long as the calyx. &.H. Native of dry fields 
in Switzerland and France. ‘Turritis minor, Schleich. pl. helv. 
Petals white, oblong, double the length of the calyx. 
Hoary Wall-Cress. Fl. May, June. Clt. 1816. Pl. 4 foot. 
25 A. Tuarta‘na (Lin. spec. 926.) leaves pilose, a little 
toothed, radical ones stalked, ovate-oblong ; stem branched ; pods 
ascendant ; pedicels much longer than the calyx. ©.H. Na- 
tive of Europe from Spain to Petersburgh, and from England to 
Greece; also in Tauria, Persia, Dauria, and Teneriffe. On 
Stem leaves sessile ; petals oblong, or linear- 
X. Arasis. 163 
walls, dry banks, cottage roofs, and dry sandy ground ; plentiful 
in Britain. Smith, engl. bot. t. 901. Vahl. fl. dan. t. 1106. 
Curt. lond. 2. t. 49. Schkuhr. handb. 2. t. 195. A.ramosa, Lam. 
fl. fr. 2. p. 510.  Sisym. Thalianum Monnard. Flowers white. 
Var. B. A. parviflora, Raf. araer. month. mag. 1. p. 43. 
1819. Jan. p. 194. ©. H. Native of North America, in dry 
fields and on old walls, from New England to Virginia. Petals 
emarginate, hardly longer than the calyx. A’rabis Thaliàna 
Pursh. 
Thalius’s Wall-Cress. Fl. April, Jul. Britain. Pl. 4 to 1 ft. 
26 A. SERPYLLIFÒLIA (Vill. dauph. 3. p. 318. t. 37.) leaves 
almost entire, scabrous with branched hairs, radical and stem 
ones oval, narrowed a little at the base; racemes rather loose ; 
pedicels length of calyx. &. H. Native of the Alps of Pro- 
vence, Dauphiny, Vallais, Pyrenees, on rocky parts of mountains. 
Flowers white. 
Wild-Thyme-leaved Wall-Cress. Fl. June, Jul. Clt. 1820. Pl. 
+ to 4 foot. 
27 A. spatuLa ra (D. C. syst. 2. p. 227.) leaves entire, 
rough, lower ones spatulate, narrowed into the petiole, upper 
ones roundish, small; racemes short ; pedicels length of calyx ; 
pods erect. ©. H. Native of Buenos Ayres, in fields, and in 
the suburbs of Monte-Video. Petals white, small, scarcely 
longer than the calyx. Sisymbrium spatulatum, Poir. dict. 7. 
p. 224. , 
Spatulate-leaved Wall-Cress. Fl. Aug. Pl. 4 foot. 
25 A.? Commersonu (D. C. syst. 2. p. 228.) leaves almost 
entire, ciliated, radical ones ovate-spatulate, stalked, stem ones 
scarcely any; racemes short; pedicels longer than the calyx. 
©.? H. Native of Buenos Ayres. Sisýmbrium bellidifolium, 
Poir. dict. 7. p. 220. Petals white, hardly longer than the calyx. 
Seed small, brownish. 
Commerson’s Wall-Cress. Pl. 1 foot. 
29 A. puse’scens (Poir. suppl. 1. p. 413.) leaves pubescent, 
deeply-toothed, radical ones spatulately-lanceolate, narrowed into 
the petiole, stem ones lanceolate; pedicels very short; pods 
pubescent, erect. ¢.? H. Native of Algiers on the mountains. 
Turritis pubéscens, Desf. alt. 2. p. 92. t. 163. Petals linear, 
white, double the length of the calyx. 
Pubescent Wall-Cress. Fl. May, June. Pl. 1 to 2 feet. 
30 A. va’rvuta (Dufour, in D. C. syst. 2. p. 228.) leaves 
pubescent, a little toothed, lower ones obovate, stem ones ovate ; 
pedicels very short ; pods pubescent, spreading a little. ©. H. 
Native of Navarre and near Tudela in Spain. A, Romeriana, 
Andrz. ined. Petals, when dry, pale yellow. 
Small Wall-Cress. PI. 4 foot. 
§ 4. Obovatipétila. Cauline leaves sessile or stalked; limb 
of petals obovate or cuneated, distinct from the claw. 
31 A. procu’rrens (Waldst. et Kit. hung. 2. p. 154. t. 144.) 
leaves ovate, quite entire, smooth, ciliated with 2-parted hairs, 
radical ones narrowed into the petiole, stem ones sessile, pointed ; 
stolons creeping; pods spreading. %.H. Native of Bosnia 
and Servia on shaded limestone rocks. Nasturtium procurrens, 
Andrz. ined. A creeping tufted plant. Petals white, double the 
length of the calyx. 
Procurrent Wall-Cress. Fl. May, June. Clt. 1819. Pl. ł foot. - 
32 A. pre cox (Waldst. et Kit. ined. ex Willd. enum. p. 684.) 
leaves oblong, acute, sessile, quite entire, smooth ; stem strigose ; 
stolons creeping ; pods spreading. 2%. H. Native of Hungary. 
A creeping tufted plant. Petals obovately-cuneated, white, 
double the length of the calyx. 
Early-flowering Wall-Cress. Fl. Ap. Ju. Clt. 1819. Pl. 4 to ft. 
33 A. ScHIWERECKIA NA (Andrz. in litt. D. C. prod. 1. p. 
145.) leaves entire, scabrous with crowded branched hairs, 
radical ones rosulate, obovate, stem ones oblong, erect, sessile ; 
Y 2 
