696 442. Cochlearia. 80. CRUCIFERiE. Pl.ex.thal. 
3 . Cochlearia hederacea. Ivy scurvy-grass . 
Siliculce elliptic ; leaves deltoid. 
Cochlearia marina folio angulo parvo, Raii Syn. 303, 5. 
Thlaspi hederaceum, Ger. em. 27 1,5; Park. 848. 
Cochlearia Danica, Lin. S. P. 903. 
Ivy mustard. 
Muddy sea-shores ; annual ; May and June. 
Leaves petioled, 3 or 5-lobed ; petals small ; siliculce el- 
liptic, scarcely swollen, reticulately veined, crowned with a 
short style. 
b. Armoracia. Perennial . 
4. Cochlearia lancifolia. Lanceleaved scurvy-grass . 
Siliculce oblong; stigma dilated, nearly sessile ; root-leaves 
oblong, crenate ; stem-leaves lanceolate, toothed or deeply 
cut. 
Raphanus rusticanus, Raii Syn. 301 ; Ger. em. 241, 1 ; Park. 860. 
Cochlearia Armoracia, Lin. S. P. 904. 
Cochlearia lancifolia, Stokes Bot. M. M. 437. 
Horse-radish. 
Watery places, also cultivated; perennial; May. 
Root white, cylindrical, very long, acrid ; stem upright, 
corymbose; root-leaves petioled, large, sometimes pinnatifid; 
stem-leaves sessile; petals white; siliculce elliptic, with a 
very short style and broad stigma; usually barren, in- 
creasing only by its root. — Root scraped used as sauce, 
eaten by itself it induces difficulty of breathing; the in- 
fusion in milk is employed as a cosmetic ; also used in 
palsy and dropsy as a stimulant and diuretic; the distilled 
water is acrid and stimulant. 
XXVI. 443. SUBULARIA. Ray. Awl-wort. 
Siliculce valvular, not notched, many-seeded; valves bel- 
lied ; cotyledons incumbent, linear. 
Subularia aquatica. Water awl-wort . 
Stem 0 ; leaves awlshape. 
Subularia erecta, junci foliis acutis, mollibus, Raii Syn. 307. 
Subularia aquatica, Lin. S. P. 896. 
Irish rush-cress. 
.Alpine lakes on gravel; annual; July. 
Plant immersed ; leaves radical, bald ; scape twice as long 
as the leaves, racemose ; flowers pedicelled ; petals white, 
connivent. 
