Or d e r CRUCIFERJE.
1. CHE IRANTHUS, p. 71.
1. C. capitalus Dougl.! (C. asper, Cham. Sf Schlecht.! fide sp. in herb.-
Berol.) is the same plant with our Erysimum grandiflorum, Nutt., in which
the radicle is certainly incumbent!
2. C. ? Pallasii (Pursh !)—A comparison of the specimen in Mr. Lambert’s
herbarium, with Hooker’s figure of Hesperis pygmtea, enables us to
confirm the correctness of his suggestion. The two "plants are certainly
identical. The specimen is not in fruit; hence De Candolle’s character
* siliqua teretiuscula,’ which seemed to forbid their union, was taken from the
appearance of the ovary. It must bear the name of Hesperis Pallasii,
which has the priority: there is besides another H. pygmsa.
2. NASTURTIUM, p. 72-75.
1. IV. officinale.—'Tampa Eay, Florida, Hr. Leavenworth ! Probably indigenous.
Naturalized in many places.
2. N. tanacetifolium.—Add syn. N. micropetalum, Fisch. <S* Meyer, ind.
sem. St. Petersb. (3) 1837.
3. N. lyratum.—Oregon, Douglas ! Probably too near N. curvisiliqua ;
but the leaves are rather different, and the pedicels shorter.
4. N. sessiliflorum.—Radical leaves pinnatifid; the lobes somewhat toothed,
—Banks of the Ohio, &c. Indiana, Dr. Clapp!
5. N. sinuatum.—Add /?. style almost none.—Oregon, Mr. Tolmie!
Near N. curvisiliqua, but has larger flowers, longer pedicels, &c.
4. STREPTANTHUS, p. 75-77.
3. S. sagittatus.—Instead of ‘ petals oblong-ovate,’ insert, petals cuneate-
oblong.
4. S. angustifolius.—Add syn. S. sagittatus, Hook. <$• A r n .! lot.
Beechey, suppl. p. 322, not of Nutt.—Snake Country (Lewis River), Mr.
Tolmie! The specimens are rather larger and more branched than Mr.
Nuttall’s, and the lower leaves larger; but there is no other difference.
10. S. heterophyllus (Nutt.)—Siliques refracted, straight.—It should stand
next to S. glandulosus.
5. TURRITIS, p. 78. .
1. T. glabra 0. ? (as well as our plant from the Shore of Lake Superior)
is the same with T. stricta, Hook, or very nearly so.—The following species
is to be added at the end of the genus.
10. T. ? lasiophylla (Hook. & Arn.): stem simple, elongated; strict,
hispid below with simple rigid hairs, nearly glabrous above; leaves oblong-
lanceolate, pinnatifid, petioled ; the uppermost linear, entire, attenuate at the
base; calyx rather hairy; petals linear (yellow), unguiculate; siliques
long, narrowly linear, straight, strongly deflexed. Hook. Sf Arn. bot. Beechey,
suppl. p. 320.
California, Douglas.—Plant 1-2 feet high. Petals about half as long
again as the calyx. Hook. Arn.
6. ARABIS, p. 79-83.
1 (a). A. blepharophylla (Hook. & Arn.): perennial; leaves naked, except
the margins, which are ciliate with very rigid simple or forked white
hairs; the radical ones obovate-spatulate, the cauline oblong and sessile;
sepals elliptical, obtuse, pubescent above with stellate hairs ; petals (purple)
obovate, with slender claws. Hook. 8fArn.! bot. Beechey, suppl. p. 321.
California, Douglas! [probably from the interior.]—Stem 3-4 inches
high. Calyx half the length of the petals.—A very distinct species.
14. A. Icevigata 0. laciniata.—Kentucky, Dr. Peter! Dr. Short!
7. CARD AMINE, p. 83-86.
1. C. rhomboidea y.—Louisiana, Prof. Carpenter !
4. C. purpurea (Cham. &' Schlecht.!)—We have this fine species from
Douglas’s collection, (communicated by Mr. Bentham) probably from the
interior of Oregon, but the locality is not recorded. The leaflets of the
radical leaves are all obtuse, as indeed they are described by Chamisso and
Schlechtendal, but some of them are acute at the base.
10. PHCENICAULIS, p. 89.
P. cheiranthoides.—Add syn. Hesperis Menziesii, Hook. fl. Bor.-Am. 1.
p. 60, iSf bot. Beechey, suppl■ p- 322, t. 75. California, Menzies ! Pine
Creek, in the Snake Country, Mr. Tolmie !
12. HESPERIS, p. 90.
2. H. minima is Cheiranthus Pallasii, Pursh!, and must be called H.
Pallasii.—(Vid. notes upon Cheiranthus.)
3. II. Menziesii is Phoenicaulis cheiranthoides, Nutt.
13. SISYMBRIUM, p. 91-93.
3. S. linifolium.—Add syn. Erysimum ? glaberrimum, Hook. 8f A m .!
bot. Beechey, suppl. p. 323. (Snake Country; Mr. Tolmie.) Flowers pale
yellow.
4. S. pygmceum (Nutt.) is only a dwarf form of the preceding.
8. <S. liumile.—Add syn. Ledeb. ie. pi. Ross.-Alt. t. 147.
15. ERYSIMUM, p. 94.
3. E. asperum.—Add syn. Hook. A rn .! bot. Beechey, suppl. p. 323.
E. datum, Nutt. no. 5. (certe.)—Interior of California, Douglas! Mr.
Tolmie!
4. E. Arkansanum.—Rocky banks of the Scioto, near Columbus, Ohio,
Mr. Sullivant!
8. E. grandiflorum.—Add syn. Cheiranthus asper, Cham. 8f Schlecht. !