OF MARINE COASTS. 99 



A. (Olearia) ramulosus Bentli. 



Shrub, 1 — 3 m. high, much-branched, pubescent, sometimes glutin- 

 ous; leaves small, spreading, obovate, petiolate, obtuse, with revolute 

 margins, glabrous above, woolly beneath. 



Together with other species of this genus on dunes in Victoria, but 

 not confined to coast. In Tasmania, New South Wales, and South 

 Australia. 



A. (Olearia) Soiandri Hook. f. 

 Much-branched shrub, 1 — i m. high, branchlets stout, puberulous; 

 white-yellowish tomentose beneath; margins recurved. 



Usually on coast; ISTew Zealand, especially on North Island. 



A. Tripolium L. 



Perennial herb, glabrous, 2 — 3 dm. high, erect or decumbent; leaves 

 linear, entire, somewhat succulent; rayflowers purplish. 

 Maritime coasts of Europe, and temperate Asia. 



Baccharis pilularis DC. 



Evergreen shrub, prostrate on sand, 2 — 15 dm. high; branchlets 

 angular; leaves sessile, obovate, 1 — 3 cm. long, sinuately toothed. 



The more erect form is widely Sf)read inland in California, while 

 the prostrate form is confined to the coast. Rare south of Point Con- 

 ception according to Abrams. 



Bidens bipinnata L. 



Glabrous annual, 0.5 — 1 m. high; branches angular; leaves thin, 

 pinnately divided; leaf segments again divided into small, deeply toothed 

 lobes; flowers yellow. 



On sandy shores of Queesnland, as Moreton Bay. Is common in 

 various situations in the eastern part of North America and in the 

 tropics of that continent. 



Calocephalus Brownii P. Muell. 



Low, rigid, much-branched shrub, 3 dm. high, covered with a white, 

 woolly tomentum; leaves alternate, linear, obtuse, 2 mm. long. 



On sea coasts of Tasmania, Victoria, South Australia and Western 

 Australia. 



