56 CRUCIFER. SOPHIA. 
ERYSIMUM, 
gined. Cotyledons plane, incumbent. 
18 SOPHIA L. Syst. ed. 1 Adams Fam. ii, 417. 
SISYMBRIUM of authors as to our plants. 
Erect branching annuals with pinnately maultifid leaves and 
small yellow flowers. Pubescence branched. Sepals oblong to 
linear, usually spreading. Stamens 6, free and unappendaged. 
Pods ascending or somewhat spreading, on slender pedicels ob- 
long-linear, subterete, less than an inch long. Style short or 
none. Stigma entire. 7 ; 
S. pinnata Hrysimum pinnatum Walt. (1788). Sisymbrium canescens 
Nutt. (1818). Canescently pubescent: stems 6-30 inches high: leaves 1-2- 
pinnatifid, the segments toothed or pinnatifid: petals equaling the sepals, 
a line long or less: pods oblong or linear-oblong, nearly or quite a line 
broad, 3-6 lines long, acute at each end, shorter than the slender spread- 
ing pedicels: seeds ovate-oblong, 44 line long, in 2 rows in each cell. 
ten abe and Washington to southern California, Florida and Brit. 
olumbia. 
S. incisa Greene Pitt. iii, 95. Sisymbrium incisum Engelm. Pubes- 
cence short, more or less glandular: stems 1-4 feet high: leaves pinnate, 
the segments from linear to oblong, pinnatifid or sometimes entire: pet- 
als about 14g lines long: pods nearly linear, often 44 inch long, usually 
pointed at each end and 8-12 seeded, sometimes much shorter and few- 
seeded. Valley of the Snake River to Nevada and Colorado. 
S. Hartwegiana Greene l. c. Sisymbrium Hartwegianum Fourn. 
Slender, subglabrous or finely glandular-puberulent: leaves pinnate; leaf- 
ets lanceolate or narrowly oblong, obtuse and obtusely or acutely toothed: 
pods 114-3 lines long, erect on ascending or erect pedicels as long: seeds 
sometimes imperfectly biseriate. Eastern Oregon and Washington to Cal- 
ifornia, Colorado and British Columbia. . 
S. longipedicellata. Sisymbrium longipedicellatum Fourn. Slender, 
6-8 inches high, nearly or quite glabrous: lower leaves 1-—2-pinnatifid, 
the upper pinnate with few elongated linear nearly or quite 
entire segments: fruiting racemes lax: pods 5-7 lines long, erect on 
slender spreading or ascending pedicels 6-10 lines long. Brit. Columbia 
to Oregon and Nevada. Not common east of the Cascades. 
19 ERYSIMUM Tourn. Inst. 228 t. 111, L. Gen. 548. 
Pods subsessile, erect, appressed to the rachis, subulate, taper- 
ing almost from base to apex. Flowers small and inconspicu- 
ous, yellow. Stigma slightly 2-lobed. Pubescence of simple 
hairs. Leaves pinnatifid. 
E. oFFicrnaLe L. Sp. ii, 660. Sisymbrium officinale Scop. Annual or bi- 
ennial, erect, rigid, divaricately branching: leayes runcinate-pinnatifid, 
the lowest 3-6 inches long: pods subterete, half an inch long, a line wide, 
subsessile, closely appressed, in a long raceme. Common in waste places. 
Naturalized from Europe. 
20 SMELOWSKIA C. A. Meyer in Ledeb. FI. Alt. ili, 165. 
Low cespitose perennials with pinnatifid or bipinnatifid leaves 
and small fllowers in terminal racemes. Pubescence simple or 
stellate. Sepals oblong, subequal, somewhat spreading. Petals 
entire, obovate or spatulate, longer than the sepals. Stamens 6, 
