pair of the longer stamens sometimes united): anthers linear.—Annual or
biennial (rarely perennial?) herbs, with purple, rarely yellowish or white
flowers.
§ 1. Limb o f the petals broad: calyx slightly spreading.
i n h f f * ? f f olius (H °o k .)}ea\ es elliptical, obtuse, deeply 2-lobed and clasp-
/ qqi7 P S » obo™te; siliques broadly lifiear.—Hook. bot.
D C .'s y s t) t 5T2Sr a Washltana> MwhL c a t P- 63 ? Stanleya Washitana,
■nr.?0,1 spnngs of Arkansas, Mr. Sabine. (v.,s. cult, ex hort. Short.)—(3)
^ hole plant smooth and glaucous. Stem tall. Leaves 4-5 inches long mTd
Chew r°ad’ ?Ppeannf almos;t Perfoliate from the deep closed sinus at
the base Flowers large and very showy. Limb of the petals nearly as broad
as long, fine rose-color, with a very deep purple spot in the centre. Siliques
4 inches long, pointed with the short style. H .
2. S.maculatus (Nutt.): leaves ovate-oblong, the leaves broad and clasp-
mg entire, or minutely and remotely repand-denticulate; petals obovate (purple);
siliques somewhat 4-sided .—Nutt.! in jour. acad. Philad. 5. p. 134 t 7
, ° !H 0'=fs:, Arkansas, Nuttall; near St. Augustine, Texas, Dr. Leavenworth.
April May.—@ Stem 1J-2 feet high, sometimes much taller, usually
simple, but often branched, glabrous and glaucous, terete. Leaves 3-6
inches long, 1J inch broad, glaucous, rather acute. Flowers in simple or
paniculate racemes very showy. Pedicels 3-4 inches long, spreading. Calyx
purplish Petals deep purple in the middle with a velvety appearance,
fighter towards the crenulate edge; claw longer than the limb. Anthers about
“nef curved ni drying: filament straight, as long as the anther. “ Si-
N ^ t mcheslong> erect>linear> compressed and somewhat quadrangular.”
3. S. sagittatus (Nutt.): leaves oblong, acute, sagittate and clasping, entire
| petals oblong-ovate (not spotted). Nutt. / in jour. acad. Philad. 7.
Sources of the Oregon, Mr. Wyeth! June.—® Smooth, branched above.
Leaves smooth and apparently somewhat glaucous beneath. Raceme manv-
flowered. Pedicels half an inch long. Flowers lilac-red : claws of the petals
very long, exserted. Allied to S. obtusifolius, Hook., but with the lower
leaves entire, not “lyrate-pinnatifid.” Nutt.
4. S. angustifolius^ (Nutt.! mss.): “ radical leaves lanceolate-linear
sparingly hirsute; cauline oblong-lanceolate, sagittate and clasping, smooth’
« e c t; petals oblong-oval (rose-color), the limb exserted.
Rocky Mountains, towards the sources of the Platte.—(2) Radical leaves
tufted, more or less hirsute, the hairs centrally affixed. Stems several from
one root 12-18 inches high, virgate, a little branching near the summit.
Lower stem-leaves much broader than the radical ones, closely amplexicaul,
becoming much smafier above; the longest scarcely an inch in length.—
Flowers small, pale-red. Sepals short, smooth almost coriaceous. Petals
b ^ o M t K y ^ ^ Cdnt0Ited’ eXt6ndmg weU as the stamens)
5- S. virgatus (Nutt. ! mss.) : radical leaves (and lower part of the
stem; more or less villous with stellate hairs, lanceolate-linear; cauline ones
= t 6ar’ Saglttate’ CaSp‘n g 5 petals exserted) linear-oblong; calyx pu-
“ With the preceding, and greatly resembling it; but differing in the narrow
petals and stellate pubescence.” Nutt.
6. -S. arcualus (Nutt.! mss.) : “ hirsutely villous with branching hairs ;
leaves lanceolate-linear, remotely serrulate ; cauline ones sagittate and clasping,
very acute ; siliques flat and. curved downward ; petals (purple) obovate,
exserted.
“ Shelving rocks, on high hills near St. Barbara, Upper California.—Stems
growing in dense tufts, vejy rarely branched, 1-2 feet high. Calyx purplish.
Petals deep reddish-purple. Anthers oblong. Siliques about 3 inches long,
glabrous. Seeds in a single (or partly in a double) series, with a. distinct
membranaceous margin.” Nutt.—The siliques much resemble those o f
Arabis Canadensis. The seeds are arranged horizontally,' the radicle being
superior and lying across the axis of the silique. Funiculus free. Septum
opaque, marked with a broad longitudinal nerve; areolae indistinct.
§ 2. Petals narrow : calyx closed.—E uklisia, Nutt. mss.
7. S. glandulosus (Hook.): hirsute below ; leaves linear-oblong, repandly
toothed, .the teeth glandular; radical ones petiolate, cauline deeply sagittate
and clasping; flowers erect-spreading (purple), secund ; siliques very narrow,
somewhat spreading, curved; valves reticulated; petals linear-lanceolate,
undulate.—Hook.! ic. t. 40.
Monterey, Upper California, Douglas !—(2) Stem 1-2 feet high, slender,
terete, the lower part scaly-hirsute. “ The lowest leaves (which are often
withered) pinnatifid.” Hook. Cauline ones 1-2-inches long, acute, remotely
toothed. Pedicels 2 lines long, thick. Flowers half an inch in length, dark
purple. Sepals ovate. Petals more than twice- as long as' the calyx.
Two of the longer stamens united. Silique 3 inches in length and less than
a line broad, tapering at the summit into a very short style. Seed too young
in our specimens to show the embryo.
8. S. jlavescens (Hook.) : hirsute with simple hairs; leaves linear-oblong,
the lowest ones sinuate-pinnatifid, or obtusely dentate with glandular teeth,
upper ones entire; flowers erect (yellowish); petals linear, acute ; siliques
(immature) erect, hirsute.—Hook. ! ic. 1. t. 44.
Monterey, California, Douglas !—(I) About a foot high, erect, simple.
Radical leaves nearly two inches long ; cauline scarcely an inch in length.
Raceme not secund. Sepals ovate, obtuse. Petals nearly twice the length
o f the calyx. Anthers linear-oblong. Silique pointed with a short style.
9. S. repandus (Nutt, mss.) : “ hirsute, particularly the lower part ;
leaves oblong-lanceolate, elongated, clasping, angularly toothed or repand
above (flowers white) ; petals about as long as the calyx.
“ St. Barbara, Upper .California.—Stem simple, about 2 feet high. Pedicels
shorter than the calyx. Sepals and petals linear.” Nutt.
10. S', heterophyllus (Nutt.! mss.) : “ hirsute below with simple hairs;
leaves laciniate-pinnatifid, cauline ones sagittate at the base and clasping;
flowers pendulous (purple) ; sepals long, connivent; petals linear'; siliques
very long and narrow, pendulous.
“ Bushy hills, near St. Diego, Upper California.—(5) or ® Stem 3—
5 feet high, branching ; the upper part glabrous. Calyx deep purple. Petals
purple and whitish, undulated, of the same breadth throughout. Siliques 3-
5 inches long, on pedicels 4 lines in length.” Nutt.
11. S. cordatus (Nutt.! mss.): “ glabrous; lower leaves spatulate-oblong,
repandly denticulate ; cauline ones cordate, clasping, all obtuse ; flowers on
short pedicels (greenish-yellow) ; siliques deflexed.
“ Forests of the Rocky Mountains.—Apparently perennial. Leaves very
obtuse, toothed near the summit; cauline ones with a deep sinus embracing