434 
glabella . 
incana. 
aralisans . 
argenteum. 
‘maritima. 
liy perior eum. 
TETRADYN-AMIA SILICULOSA. Drab*. 
Icon. FI. dan. 142. Liljeblad nov. act. tips. 6. t. 2. f. 2. 
In Labrador. Colmaster. ©. May. v. s. in Herb. Dickson. 
4. D. scapo subbifolio erecto, foliis spathulato-lanceolatis 
glabriusculis, racemo densifioro, siliculis ovato-lanceo- 
latis acutis. 
In Hudson’s Bay. ©. v.s.in Herb. Banks. 
5. D. foliis caulinis numerosis incanis, pilis implexis stella- 
tis, siliculis oblongis obliquis stylo brevissimo mucro- 
natis. — IVilld. sp. pl. 3. p. 430. 
Icon. FI. dan. 130. Engl. bot. 3S8. Pluk. aim. t. 42. 
/ 1. 
In Labrador. <$ . May, June. v. s.in Herb. Lambert. 
6. D. caule folioso subramoso, foliis radicalibus cuneato- 
lanceolatis, caulinis lanceolatis, omnibus acutis diva- 
ricato-dentatis, siliculis stylo acuminatis. — Midi. fl. 
amer. 2 p. 28. 
On rocks, near the banks of rivers : Canada to Virginia. 
d . May, June. v. v. I collected specimens on the 
rocks near Harper’s Ferry, Virginia. 
521. MYAGRUM. Gen. pi. 1069. 
1. M. undique cano-tomentosum ; siliculis oblongis pedun- 
culate tomentosis, foliis iineari-spathulatis sensim at- 
tenuatis integerrimis, petalis obovatis. 
On the banks of the Missouri. $ . v. s. Flowers yel- 
low ; the whole of the plant has some resemblance to 
Aiyssum saxatile. 
522. CAKILE. Geert. sem. 2. p. 28/. 
1. C. foliis pinnatis, pinnis linearibus subdentatis. TVilld , 
sp. pl. 3. p. 4.1 6. 
Bunias Cakiie. Sp. pl.Q'36 . 
Icon. Engl.bot. 23J . 
On the sea-coast : Canada to Virginia. O- July, Aug. 
v. v. Flowers purple. 
523. ALYSSUM. Gen.pl. 1081. 
1. A. caulibus herbaceis, foliis incanis dentatis, staminibus 
4. bifurcatis. JVilld. sp. pl. 3. p. 463. 
Icon. Kraschen. act. petr. 1/47- t. 15. f. 1. 
On the north-west coast, -f. 
