4'd4 
glalella. 
incana. 
arahisans. 
Mrgmieum, 
\ 
warilima. 
hyperloreum. 
TETRADYNAMIA SILICULOSA. Drabs. 
Icon. FI. dan. 142. Liljellad nov. act. ups. 6. t. 2.f. 2, 
In Labrador. Colmaster. O- May. v. s. in Herb. Dickson. 
. 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. foUis caulinis numerosis incanis, pilis implexis stellg^ 
tis, siliculis oblongis obliquis stylo brevissimo mucro- 
natis. — IVilld. sp. pl. 3. p. 430. 
Icon. FI. dan. 130. Engl. hot. 388, Pluk. aim. t. 42. 
/ 1 - 
In Labrador. ^ . May, June. v. s. in Herb. Lambert. 
0. H. caule folioso subramoso, foliis radicalibns cuneato- 
lanceoiatis, caulinis lanceolatis, omnibus acutis diva- 
ricato-dentatis, siliculis stylo acuminatis.— Mic/z. Jl, 
amer. 2. p. 28. 
On rocks, near the banks of rivers : Canada to Virginia. 
(^. May, June. v. v. I collected specimens on the 
rocks near Harper’s Ferry, Virginia. 
521. MYAGRUM. Gen. pl. JO 69 . 
1. M. undique cano-tomentosum ; siliculis oblongis pedun- 
culatis tomentosis, foliis lineari-spathulatis sensim aU 
tenuatis integerrimis, petalis obovatis. 
On the banks of the Missoui i. g . v. s. Flowers yel- 
low ; the whole of the plant has some resemblance to 
Alyssum saxatile. 
522. CAKILE. Gcert, sem. 2. p. 287. 
]. C. foliis pinnatis, pinnis linearibus subdentatis. IVilld. 
sp. pl. 3. p. 4J0. 
Bunias Cakile. Sp.pl.Q36. 
Icon. Engl. bot. 231. 
On the sea-coast : Canada to Virginia, G- Jnly, Aug. 
V. V. Flowers purple. 
523. ALYSSUM. Gen.pl. 1081. 
] . A. caulibus herbaceis, foliis incanis dentatis, staminibus 
4. bifurcatis. JVilld. sp. pl. 3. p. 403. 
Icon. Kraschen. act. pelr. 1/47. L \5,f. 1. 
On the north-west coast, -f . 
