( 2882 ) 
VeEsIcariIa arctica. Arctic VEsIcARIA. 
Ra okakoakakebakobakebok 
3 Class and Order. 
TETRADYNAMIA SILICULOsA. 
~ ( Nat. Ord. — Crucirerz. ) 
Generic Character. — 
Silicula inflata, subglobosa, polysperma. Cotyledones ac- 
cumbentes. Br. ~ 
Specific Character and Synonyms. 
Vesicarta* arctica; tota stellatim pilosa tomentosa incana, 
‘foliis radicalibus spathulatis, siliculis orbiculatis stylo 
longioribus. : ee 
Vesicarta arctica. Rich. in Frankl. Journ. App. p: 743. 
De Cand. Prodr. ¥:1. p. 159. Spreng. Syst. Veget. 
v. 2. p. 872. Hook. in Parry’s 2d Voy. App. p. 388. 
Atyssum arcticum. Fl. Dan. t. 1520. “De Cand. Syst. 
Veget. v. 2. p. 324. : a 
a 
Descr. Root perennial, subfusiform, long, woody, here 
and there fibrous; bearing at the top many decumbent, 
simple, scarcely fruticose, slender stems. Leaves mostly 
radical, and spreading on the ground, spathulate, from two 
to three inches long, including the footstalk, somewhat 
thick and fleshy, destitute of nerve, clothed on both sides, 
as well as the stems and calyx, with minute, fringed scales 
or tufts of beautifully stellated hairs, which are white, and 
ive to the whole plant a hoary or frosted appearance : stem- 
leaves four, linear- spathulate, alternate, sometimes quite 
linear. Corymbs terminal, of few flowers, which are —— 
yellow. 
ene 
ra om vesica, a bladder, on account of the peculiar shape of the seed- 
ssels. : : 
