104 THE SA2n) STEASD FLORA 



Matricaria itwdora L. var. maritinia L. 

 Pereimial herb, erect or spreading, mueli-braiielied, 3 — 5 dm. high, 

 leaves snccnlent; disk flowers yellow, ray flowers white. 

 Common on the Baltic shores. 



Senedo Colensoi Hook. f. 



Stem erect, simple or much-branched, woody at the base, flexuose, 

 grooved, the whole plant covered with white tomentimi. Some are white 

 on both surfac-es, others only beneath. On the shore they are fleshy 

 and glabrous. Leaves polymorphic, entire, obovate to lanceolate, nar- 

 rowed into short petioles with broad wings. The leaves vary, however, 

 greatly in form. 



jSForth Island, Wew Zealand. 



5. lautus Sol. 



Prostrate, deenmbent or erect, glabrous or pubescent, annual or bien- 

 nial, 8— =-60 cm. high: stem and branches stout or slender, grooved; leaves 

 succulent, "2 — 5 em. long, lanc-eolat«, narrowed into a petiole, pinnatifid. 



A very variable species occurring on coasts of ?few Zealand, compar- 

 atively seldom inland. 



8. spatliulatus A. Eich. 

 Much-branched perennial; leaves obovate, toothed irregalaxly, the 

 lower petiolate, the upper stemclasping, all fleshy; 2 — 4 cm. long. 



Sandy shores in Xew South Wales (Bondi), Victoria and Tasmania. 



S. silvaiicus L. and 5". viscosus L. 

 are not unc-ommon on sand formations of the Baltic coasts, but are not 

 c-onSned to such situations. 



Solidago spathvlata DC. 



Perennial herb, with glabrous, slightly glutinous herbage; stems 

 3a — 45 cm. high, branched at base, decumbent, thickly clothed with 

 broad leaf bases; leav^ basal, spatulate, rounded at apex, narrowed to 

 a long marginal petiole, serrate above the middle; flowers yellow. 



On sand dunes at San Francisco and Monterey, California. 



Sonchus arvensis L. maritimus G. F. Meyer. 

 Perennial; creeping rootstock; stems 6 — 10 dm. high; leaves long, 

 pinnatifid, lob^ lanceolate, curved downwards, bordered by large prickly 

 teeth; the lower petiolate, the upper stem-clasping; flowers yellow. 



