xetradynamia siliquosa. 
141 
THLASPL Gen Pl. 1078. 
Silicula emargina- 
ta, obcordata, poly- 
sperma. Valvulis na- 
vicularibus, margina- 
to-carinatis. 
1. Bursa pastoris. 
T. hirsutum ; sili- 
culis deltoideo-obcor- 
datis ; foliis radicali- 
bus pinnatilidis. 
Sp. pl. 3. p. 447- Walt. p. 173. 
Pod emarginate, 
obcordate, many seed- 
ed. Valves boat sha- 
ped, keeled. 
Hirsute; pods del- 
toid, obcordate; root 
leaves pinnatifid. 
Pursh 2. p. 435. Nutt. 2. p. 64. 
Root fusiform, annual. Radical Leaves long, lanceolate, deeply pin- 
natifid, with a long naked base. Stem Leaves lanceolate, denticulate, sa- 
gittate and amplexicaule at base, all hairy but scarcely hirsute. Flowers 
in long racemes. Calyx 4-leaved, leaflets lanceolate, deciduous, membra- 
naceous along the margins. Petals obovate, white, longer than the calyx. 
Stamens 6 , about as long as the calyx, two a little shorter than the others. 
Germ superior, obovate. Style very short. Stigma glandular. Pod 
triangular, deeply emarginate along the upper line, not distinctly keeled, 
2 celled. Seeds many in each cell, oval. 
Grows in cultivated land. An exotic now completely naturalized. 
Flowers F ebruary — May. 
SILIQUOSA. 
DENT ARIA. 
Siliqua elastice dis- 
siliens. Valvulis e- 
nervibus, revolutis. 
Dissepimentum sub 
fungosum. Stigma 
Gen. Pl. 1087. 
Pod opening elasti- 
cally. Valves without 
nerves, revolute. Par- 
tition somewhat fun- 
sous. Stigma emar- 
