208 
leaves filiform, smooth; flowers panicled; siliques very long, 
flexuous, slender, crowned by the thick stigma. ©? H. Na- 
tive of? 
Multifid-leaved Flix-weed or Hedge-Mustard. PI. 2 feet. 
36 S. MYRIOPHY'LLUM (H: B. et Kth. in D. C. syst. 2. p. 477.) 
leaves bipinnate ; segments blunt ; petals larger than the calyx ; 
pods lanceolate.—Native of Quito at the bottom of Mount 
Cotopaxi among stones at the height of 4550 feet. Nastúr- 
tium myriophyllum, Spreng. syst. 2. p. 883. A very branching 
plant. Flowers pedicelled. Seeds ovate, minute. 
Myriad-leaved Flix-weed or Hedge-Mustard. Pl. 2 or 3 feet. 
Sect. V. Krpe‘ra (meaning unknown.) D. C. syst. 2. p. 477. 
prod. 1. p. 194. Pedicels bracteate at the base. Style short, 
thick, retuse. Flowers small, yellow or white, rarely purple. 
37 Pervuvia‘num (D. C. syst. 2. p. 477.) pedicels axillary, 
smooth, longer than the calyx; pods hispid, spreading; leaves. 
oblong, deeply-serrated.—Native of Peru. An erect, herba- 
ceous, branched plant. 
toothed, longer than the pedicels, but sometimes they are abor- 
tive at the top of the raceme. Flowers small, probably yellow. 
Peruvian Hedge-Mustard. P]. 1 to 2 feet. `. 
38 S. surr num (Lin. spec. 917.) pedicels axillary, very short, 
solitary ; pods erect, puberulous ; leaves sinuately-pinnatifid ; 
stems covered with reflexed pubescence. ©. H. Native of 
sandy humid places, and on the margins of fields along the banks ` 
of the Seine about Paris, in Switzerland, also in Spain, &c. 
A’rabis supina, Lam. fl. fr. 2. p. 512.—Isnard in act. acad. paris, 
1724. t. 18. Stems either decumbent or erect, simple or branch- 
ed. Flowers small, white. . 
Supine Hedge-Mustard. Fl. Ju. Jul. Clt. 1788. Pl. łto4 ft. 
39 S. RUNCINA TUM (Lag. fl. hisp. ined. D. C. syst. 2. p. 478.) 
pedicels axillary, very short, solitary ; pods incurved, and are as 
well as the stem smooth ; leaves oblong, runcinately-toothed. 
©. H. Native of Spain about Orcelis among rubbish. Stems 
branched from the base, diffuse. Floral leaves sessile. Flowers 
small, probably white. 
Runcinate-leaved Hedge-Mustard. Fl. June, July. Pl. 2 ft. 
40 S. urrsu‘rum (Lag. from Dufr. in litt. D. C. syst. 2. p. 
478.) pedicels axillary, very short, solitary; bracteas oblong- 
linear, almost entire; pods erect, and are as well as stem pu- 
bescent. ©.H. Native of Spain about Madrid. Flowers small. 
Hairy Hedge-Mustard. Fl. May, July. Clt. 1820. Pl. 4 ft. 
41 S. potycera TIUM (Lin. spec. 3. p. 918.) pedicels in threes, 
axillary, very short; pods erect, smooth; leaves sinuately- 
runcinate; lobes acute, toothed, lower ones largest. ©. H. 
Native throughout the south of Europe on humid walls and in 
fissures of rocks. It also grows about Bury in Suffolk, but it 
certainly has been introduced there. Jacq. vind. t. 79. S. cor- 
niculatum, Lam. fl. fr. 2. p. 520. A fetid somewhat erect herb, 
with small yellow flowers, which are sessile in the axille of the 
leaves. 
Many-podded Hedge-Mustard. 
PI. 4 to 1 foot. 
42 S. r'cipum (Bieb. suppl. p. 439.) pedicels very short, 
axillary or naked ; pods and erect stems hispid; leaves smooth- 
ish, oblong, acutely runcinately-pectinate. ©. H. Native of the 
south of Tauria. Erysimum polyceratium, Pall. itin. 3. p. 741. 
app. no. 103. t. Mm. f. 1. ed. gall. Svo. app. p. 346. no. 351. 
Fl. June, July. Clt. 1633. 
t. 107. Hésperis rígida, Steven from cat. hort. gor. 1808. p. 
82. Bristles onstems long. Petals oblong-linear, white. 
Rigid-bristled Hedge-Mustard. Fl. June, July. Clt. 1816. 
o 
Pl. 4 to ġ foot. 
Sect. VI. Arasipo’psis (from Arabis and oie, opsis, resem- 
blance; plants resembling the genus A4’rabis.) D. C. syst. 2. p. 
Bracteas violaceous, oblong-linear, 
CRUCIFERAE. LVII. SISYMBRIUM. . . 
480. prod. 1. p. 195. Siliques linear, compressed. Stigma 
sessile, truncate. Flowers white, on very short bractless pedicels, 
43 S. BURSIFO LIUM (Lin. amoen. 4. p. 322.) leaves lyrately- 
pinnatifid, smooth; stem erect, leafy; pedicels thick, shorter 
than the calyx. ©. H. Native of Sicily. A’rabis bursifòlia, 
Lam. fl. fr. 2. p. 511.—Dill. elth. 179. t. 148. f£. 177. Hésperis 
dentàta, Lin. spec. 928. Flowers small, white. 
Shepherd’s-purse-leaved Hedge-Mustard. Fl. June, July, Cit. 
1733. Pl. 4 to 2 foot. 
44 S. prnnatrFivum (D. C. fl. fr. 4. p. 667. syst. 2. p. 481.) 
radical leaves lyrate, cauline ones pinnate-parted ; lobes linear, 
entire, terminal one largest; pedicels very slender, somewhat 
shorter than the calyx. Y.H. Native of rocky and stony 
pastures in the mountains of Europe, particularly in the Pyre- 
nees, the mountains of Auvergne, France, Switzerland, and Pied- 
mont. Carddmine runcinata, Pourr. act. tol. 3. p. 310. Sisym- 
brium bursifdlium, Gouan. ill. p. 42. Sisymbrium dentatum, 
All. ped. no. 1001. t. 57. f. 3.  A’rabis pinnatifida, Lam. dict. 
1, p. 221. ill. t. 563. f. 3. A’rabis dentata, Clairv. herb. val. 
223. Root perennial, suffruticose, much divided at the neck. 
Pinnatifid-leaved Hedge-Mustard. Fl. May, Aug. Clt. 1820. 
Pl. 4 to 4 foot. 
45 S. erysimor Es (Desf. atl. 2. p. 84. t. 158.) leaves lyrately- 
pinnatifid, lobes unequally toothed, terminal one largest; pedicels 
very short; pods rectangular spreading. ©. H. Native of 
Tunis in sandy places near Kervan, and in the island of Tene- 
riffe. About the divisions of fields in dry places of Spain m 
Murcia and Granada. S. rigidulum, Lag. gen. et spec. pl. p. 20. 
A smooth herb with very small white flowers. 
Erysimum-like Hedge-Mustard. Fl. Jan. April.. Clt. 1825. 
Pl. 1 to 2 feet. 
46 S. ramuto'sum (Del. egypt. ill. 19.) lower leaves pinnate- 
lobed ; lobes few, acute, entire, with the terminal one oblong ; 
cauline leaves oblong-linear, almost entire; pedicels longer than 
the calyx. ©.H. Native of Egypt, near Minyet and Beny- 
Soueyf. Flowers small, probably white. 
Branched Hedge-Mustard. FI. June, July. Pl. 4 foot. 
47 S.? cine revuM (Desf. atl. 2. p. 83. t. 157.) leaves pubes- 
cent, somewhat fleshy, pinnate-parted ; lobes linear-filiform, 
entire; pedicels longer than the calyx., ©. H. Native of 
Mauritania near Cafsa in sandy places. Petals pale violet, 
twice the length of the calyx. Seeds small, but their structure 
is unknown, and therefore the genus to which it should belong 1s 
doubtful. Perhaps a species of Hésperis or A’rabis. 
Cinereous Hedge-Mustard. Fl. in winter. Pl. } to 1 foot. 
48 S. roruLosum (Desf. atl. 2. p. 84. t. 159.) leaves oblong ; 
radical ones somewhat pinnatifid, cauline ones coarsely toothed ; 
pedicels very short; pods hispid, straight. ©.H. Native of 
Tunis, in waste land near Sbiba, and in the island of Cyprus. 
Smith fl. gree. t. 632. Stems 2 or 3. Flowers white. 
Torulose Hedge-Mustard. Fl. Apr. May, Clt. 1824. Pl. 3 ft. 
49 S. conrortuptica'tum (D. C. syst. 2. p. 483.) leaves ob- 
long, radical ones pinnatifid, cauline ones toothed or entire; 
pedicels length of calyx; pods hispid, usually twisted. ©. H. 
Native of the desert of Cumana, also about Kitzliar and Astra- 
can, especially in sandy places. Cheiranthus contortuplicatus, 
Steph. in Willd, spec. 3. p. 521. Hésperis contortuplicata, 
Bieb. fl. taur. 2. p. 124. Flowers from white to purplish. 
Var. B, rectisiliquum (Fisch. in litt.) siliques straight, or 
hardly curved. 
T'nisted-folded-podded Hedge-Mustard. Fl, June, Aug. Clt. 
1819. Pl. å foot. . 
50 S. srro'sum (Ledeb. ex Spreng. syst. 2, p- 902.) stem sim- 
ple, erect, smooth above ; radical leaves lyrate, sharply-toothed, 
hispid, cauline ones few, small, lanceolate, sessile. ©. H. Na- 
tive of the north of Persia. Flowers probably white. 
