56 METROPOLITAN PARK FLORA. 
SYRINGA, L. Limac. 
S. voiearis, L. 
Cult. from E. Eu. and escaped. B, old garden, Canton 
Ave. :— YM, occasional. 
LIGUSTRUM, Tourn. Prrvet. 
L. VULGARE, L. 
Cult. for hedges from E. Eu. and run wild. B*, frequent; 
generally confined to localities where there is evidence of a 
house-site; Pine Tree Brook valley; rocks near summit of 
Great Blue Hill, etc.:— M, frequent by roadsides and on 
rocky hills; abundant on Bear Hill: —S, common; _ house- 
sites, pastures, and ledges : — BB, occasional. 
APOCYNACEZ..  Docsane Fatty. 
APOCYNUM, Tourn. DoGBaAne. 
A. androsemifolium, L. Srreapinc DoGBANE. 
Open woods, fields, and roadsides. B*, M* and S*, 
common. 
A. cannabinum, L. Inp1an Hemp. 
Moist ground. M*, rare; noted but once. 
ASCLEPIADACEZE. Mnxwsep Famty. 
ASCLEPIAS, L. MiLkweep. 
A. incarnata, L., var. pulchra, Pers. Swamp MILKWEED. 
Swamps and wet places. B*, occasional: —M*, common 
in meadows and by borders of ponds : — S*, occasional. 
A. Cornuti, Decaisne. Common MILKWEED. 
Open fields and roadsides, a most pernicious weed, spreading 
rapidly from its deep, thick perennial rootstocks. Band M, 
common. 
A. phytolaccoides, Pursh. Poke MiLKWweep. 
Open woods and roadsides. B*, frequent; Randolph Ave. ; 

