196 
1 T. runcrna‘tus (Hook. 1. c.) ©.H. Native 
America, probably on the Rocky Mountains. 
Runcinate-leaved Thysanocarpus. PI. 1 foot. 
Cult. An insignificant plant of easy culture; the seeds only 
require to be sown in the open border early in spring. 
of North 
XLII. BISCUTE’LLA (from bis, double, and scutella, a sau- 
cer ; in allusion to the form of its silicles.) Lin. gen. no. 808. 
Geert. fruct. 2. p. 278. t. 141. D. C. syst. 2. p. 406. prod. 1. 
. 181. 
P Lin. syst. Tetradynàmia, Siliculòsa. Silicle flat, biscutate, 
(f. 46. m.) with orbicular l-seeded cells, which are laterally 
united to the axis. Style long, permanent (f. 46. m.). Seed 
compressed. Embryo inverted. Perennial or annual herbs, 
usually hispid, but sometimes downy or smoothish, with oblong 
entire, toothed or pinnatifid, somewhat radical or cauline leaves, 
and round erect stems, which are usually somewhat corymbosely 
branched at the top by racemes, which when in flower are short, 
but when in fruit elongated ; pedicels filiform, bractless. Flowers 
yellow, scentless. 
Secr. I. Ioxnpra' Ba (from ov, ion, a violet, and Dràba, Whit- 
low-Grass.) D. C. syst. 2. p. 407. prod. 1. p. 181.—Med. 
gen. nov. t. 1. f. 14. in Ust. new. ann. 2. p. 37. Calyx 2- 
spurred at the base. Glands on the torus, very prominent. 
1 B. auricura‘ta (Lin. spec. 911.) calyxes bluntly 2-spurred ; 
pods smooth, rough in the centre from elevated dots, with the 
lobes meeting over the style at the top. ©. H. Native’of Por- 
tugal, Spain, south of France, southern parts of Germany, Sicily, 
and Mauritania, in cultivated fields. D. C. diss. no. 1.t. 1. f. 2. 
Schkuhr. handb. 2. no. 1821. t. 182. Berg. phyt..3. p. 55. icon. 
Clypéola auriculata, Crantz. cruc. p. 93. B. auriculata 3, Lam. 
dict. 3. p. 617. illust. t. 570. f. 2. Flowers pale yellow. 
Eared-calyxed Buckler-Mustard. Fl. June, July. Clt. 1683. 
Pl. 1 to 2 feet. 
2 B. ertcertrorm (D.C. diss. no. 3. t. 1. f. 1.) calyxes 
acutely 2-spurred; pods smooth, almost meeting over the style 
at the top (f. 46.m.). ©. H. Native of Spain, frequent in corn- 
fields. Deless. icon. sel. 2. t. 55. B. auriculata var. a, Lam. dict. 
2. p. 617. exclusive of the synonyms. B. Orcelitana, Lag. fl. hisp. 
ined. Like B. auriculata, but differing in the spurs of calyx 
being acute, not blunt. 
Erigeron-leaved Buckler-Mustard. Fl. June, July. Cit. 1819. 
Pl. 1 foot. 
3 B. nrspipa (D. C. diss. no. 3.t. 1. f. 1.) calyxes acutely 2- 
spurred ; pods smooth, rough in the disk from elevated dots, not 
overhanging the style atthe top; stemhispid. ©.H. Native 
of Provence, Piedmont, and probably throughout Italy, on 
mountains in places exposed to the sun. Sims, bot. mag. 2444. 
B. macrocarpa, Hort.—Barrel. icon. 230 and 1219.—Col. eephr. 
2. p. 49. t. 61.—Mor. oxon. 2. p. 247. sect. 3.t.9.f.7. Plant 
hispid with crowded hairs. 
Hispid Buckler-Mustard. Fl. June, July. Clt. 1818. 
1 to 14 foot. 
4 B. cicnoruro Lia (Lois. add. p. 167.) calyxes rather acutely 
2-spurred ; pods smooth, rough in the centre from elevated dots, 
not overhanging the style at the top; stem villous. %. H. 
Native of stony places exposed to the sun, at the bottom of 
the central Pyrenees, not far from the Bagneres de Luchon. D. 
C. diss. no. 4. t. 2. B. picridifolia var. Lapeyr. abr. pyr. 373. 
Stems branched, rather reddish. Leaves runcinately-pinnatifid. 
Flowers large. 
Succory-leaved Buckler-Mustard. Fl. May, July. Clt. 1820. 
Pl. 1 to 2 feet. 
Pl. 
Secr. II. TuLasrrvium (from thlaspi, and soc, eidos, like.) 
CRUCIFERÆ. XLII. BIscUTELLA. 
D. C. syst. 2. p. 409. prod. 1. p. 181. Med. gen. nov. t. 1. f. 5. 
from Ust. new. ann. 2. p. 38. Calyxés equal at the base. Glands 
on the receptacle, hardly elevated. 
§ 1. Annue. Plants annual. 
5 B. Lyrara (Lin. mant. 354.) pods pilose, hispid in their 
disks; radical leaves lyrate. ©. H. Native of Portugal, 
Spain, Calabria, Sicily near Palermo, north of Africa near Tan- 
giers, &c.—Boce. sic. 45.-t. 23. A very polymorphous species. 
Lyre-leaved Buckler-Mustard. Fl. June, July. Clt. 1799. 
Pl. 1 to 13 foot. 
6 B. rapnantro ia (Poir. voy. har. 2. p. 198.) pods even, 
glabrous; radical leaves lyrate. ©.H. Native of Sicily near 
Palermo, and in Mauritania. B. laxiflora, Presl. ex Spreng. Dif- 
fering from B. lyrata in the pods being very smooth, not hispid, 
and perhaps the leaves are less cut. 
Radish-leaved Buckler-Mustard. Fl. June, July. Clt. 1819. 
Pl. 1 to 2 feet. 
7 B. mararna‘ra (Tenore, fl. nap. p. 38,) silicles scabrous on 
both surfaces, with brownish margins; stem almost naked ; 
leaves pilose, lyrate; lobes blunt, with the terminal one very 
large, bidentate. ©? H. Native of Naples. 
Marginate-podded Buckler-Mustard. Fl. June, July. Clt. 
1820. Pl. 2 foot. 
8 B. maritima (Tenore, prod. fl. nap. p. 38. fl. nap. t. 61.) 
pods smooth, with ciliated margins; radical leaves lyrate. ©. 
H. Native of Goat’s Island and about Fondi in Naples, by the 
sea-side. Very like the two preceding species, but nevertheless 
it differs in the pods being not smooth all over, nor _pilosely- 
hispid, but smooth in their disks, and ciliated along their mar- 
gins in a longitudinal line. 
Sea-side Buckler-Mustard. Fl. June, July. Clt. 1824. Pl. 
1 to 1% foot. 
9 B. crtra'ra (D. C. diss. no. 9. syst. 2. p. 410,) pods smooth 
in the disk, but ciliated on the margins; stem erect, elongated, 
leafy ; leaves sessile, oblong, remotely toothed. ©.H. Native 
of Italy and Spain. B. coronopifolia, Willd. spec. 3. p. 474. 
D. C. icon. gall. rar. 1. p. 12. t. 39. but not of Linneus. B. 
A’pula, Lam. dict. 3. p. 618. exclusive of the synonyms. B. 
didyma, Willd. enum. 2. p. 673. 
Giliated-podded Buckler-Mustard. Fl. June, July. Clt. 1790. 
Pl. 1 foot. 
10 B. pepre’ssa (Willd. enum. 2. p. 673.) pods smooth in the 
disk, but ciliated at the margins ; stem dwarf, somewhat diffuse ; 
leaves oblong-obovate, cuneated at the base, remotely’ toothed. 
©.H. Native of Egypt in the deserts of Alexandria. D. C. 
diss. no. 10. B. pumila, Balb. cat. hort. taur. Pods con- 
stantly ciliated at their margins along the sutural line. Perhaps 
only a variety of B. ciliata. 
Depressed Buckler-Mustard. Fl. Ju. Jul. Clt. 1818. Pl. 3 ft. 
11 B. microca’rpa (D.C. diss. no.-11. syst. 2. p. 411.) pods 
with hispid disks and ciliated margins; stem almost naked, 
much branched; leaves almost all radical oblong, sinuately- 
toothed. ©.H. Native of Andalusia on the rock of Gibraltar 
about St. Roch. B. tumidula, Lag. fl. hisp. ined. Flowers small, 
in long racemes. - 
Small-fruited Buckler-Mustard. Fl.Ju.Jul. Clt.1819. P1.14 ft. 
12 B. erioca’rpa (D.C. diss. no. 12. t. 9.. f, 2. syst. 2. p- 
411.) pods pilosely-hispid sin the disk; stem erect, simple ; 
leaves oblong-cuneated, somewhat toothed. ©. H. Gathered 
beyond Spain on a journey to Mogodor by Broussonet. Pods 
the size of those of B. A’pula. 
Woolly-fruited Buckler-Mustard. F]. Ju. Jul. Clt. 1820. Pl. 4 ft. 
13 B. Coru’mna (Tenore, prod. fl. nap. p. 38.) pods sca- 
brous on the disks and margins with short hairs; radical leaves 
obovately-cuneated, acute, toothed ; stem almost naked, hispid at 
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