20 METROPOLITAN PARK FLORA. 
MELILOTUS, Tourn. Metmor. Sweer Crover. 
M. orricrnatis, Willd. YrELtLow MeEtior. 
Ady. from Eu. in waste or cult. places. B, occasional. 
MEDICAGO, Tourn. Mepick. 
M. tuputina, L. Brack Mepicx. 
Ady. from Eu. in waste places. 4, common:— MY, com- 
mon in fields and by roadsides: — B B*, occurs. 
TEPHROSIA, Pers. Hoary Pea. 
T. Virginiana, Pers. Hoary Pea. Goat’s Ruz. 
Dry sandy soil and open woods. JB, occasional; E. slope of 
Great Blue Hill; by Hoosicwhisick Pond, etc. 
ROBINIA, L. Locust-tTrREeE. 
R. Pseupacacia, L. Common Locust. 
Cult. as an ornamental tree and nat. in many places; native 
South and West. JB, clearing off Willard St. :—W, occasional 
near roads; frequent in rocky woods, mostly as a shrub; a 
tree 30 ft. high, near Melrose Reservoir: —S_and BB, occurs. 
DESMODIUM, Desy. Tick TREFOIL. 
D. nudifiorum, DC. 
Dry and rocky woods. £8*, common throughout: —MM*, 
frequent : —S, occasional. 
D. acuminatum, DC. 
Rich open woods. B*, frequent; S. slope of Great Blue 
Hill, etc. :—-M, rocky open woods; S. of Melrose Reservoir: 
—S, rare. 
D. rotundifolium, DC. 
Dry rocky woods. B*, common, spreading rapidly in newly 
burnt ground :—WM and S*, dry woods. 
D. cuspidatum, Torr. & Gray. 
Thickets. B*, occasional; S. slope of Great Blue Hill; 
near Hawk Hill: —M*, rocky open woods*near Black Rock: 
—S, rocky woods. 

