¢ 
8 METROPOLITAN PARK FLORA. 
ARABIS, L. Rock Cress. 
A. laevigata, Poir. 
Rocky places. M, occasional; Cascade region ; open woods, 
N. of Pine Hill, etc. 
A. Canadensis, L. SIcKLE-pop. 
Open woods. B*, rare; Wild-cat Notch, etc. :— M*, rare. 
ALYSSUM, Tourn. 
A. MARITIMUM, L. Sweet AtyssumM. 
Cult. from Eu. B, spreading about beds and walks in old 
garden, Park’s place, Hawk Hill. 
NASTURTIUM, R. Br. WATER CREss. 
N. OFFICINALE, R. Br. ‘TRUE WatTeER CREss. 
Cult. from Eu. and escaped into brooks and ditches. WM, 
occasional; ditch near Ravine Road, etc.:—S*, Happy 
Valley : — BB, common. 
N. palustre, DC. Marsu Cress. 
Wet places. M, common. 
BARBAREA, R. Br. WunTER CREss. 
B. vulgaris, R. Br., var. arcuata, Fries. Common WINTER 
Cress. YELLOW ROCKET. 
Wet places. B, frequent: —M and B B*, occurs. 
B. stricta, Andrz.j 3B. vulgaris, var. stricta, Gray, Man. 
ed. 6, 70. 
Wet places. M, occurs: — BB*, near Trapelo Road in 
N. section. 
SISYMBRIUM, Tourn. HeEpGE Mustarp. 
S. OFFICINALE, Scop. Common HepGEe Mustarp. 
Nat. from Eu. in waste places. Band WM, common. 
BRASSICA, Tourn. 
B. SryapistruM, Boiss. CHARLOCK. 
Adv. from Eu. in waste places. S*, Washington St. 
+ See Syn. Fl. N. Amer. i. pt. 1, 150. 
