696 44.2. Cochlearia. 80. CRUCIFER^. PL ex. thai. 



3. Cochlearia hederacea. Ivy scurvy-grass, 

 Siliculce elliptic j leaves deltoid. 



Cochlearia marina folio angulo parvo, Raii Syti. 303, 5. 

 Thlaspi hederaceum, Ger. r m. 27 1 , 5 ; Park, 848. 

 Cochlearia Danica, Lin. S. P. 903. 

 Jwy 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 

 snort style. 



b. Armoracia. Perennial. 



4. Cochlearia lancifolia. ' Lanceleaved seurvy-grass. 

 SiliculcB oblong ; stigma dilated, nearly sessile ; root-leaves 



oblong, crenate ; stem-leaves lanceolate, toothed or deeply 

 cut. 



Rapbanus rusticanus, Raii Syn. 301 ; Ger. em. 241, 1 ; Park. 860. 

 Cochlearia Armoracia, Lin. S. P. 904. 

 Cochlearia lancifolia, Stokes Bot. M. ilf. 437. 

 Horse-radish, 



Watery places, also cultivated ; perennial ; May. 



Root white, cylindrical, very long, acrid; stem upright, 

 corymbose ; roo^-/eoye5 petioled, large, sometimes pinnatifid; 

 stem-leaves sessile; petals white; siliculce elliptic, with a 

 very short style and broad sligma; 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. Aivl-wort. 



Siliculce valvular, not notched, many-seeded ; valves bel- 

 lied ; cotyledons incumbent, linear. 



Suhularia aquatica. JVater awl-wort. 



Stem ; leaves awlshape. 



Suhularia erecta, junci foliis aculis, mollibus, Raii Syn. 307. 

 Suhularia 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 ; Jlowers pedicelled ; petals white, 

 connivent. 



