DICOTYLEDONOUS PLANTS 127 



a darker spot in the center (rarely blue or white) ; calyx and 

 corolla wheel-shaped. Filaments bearded. Capsule globose, 

 the top falling off as a lid. 



A. arven'sis L. This is common everywhere, and has been intro- 

 duced from Europe. 



PLUMB AGIN A'CE^E, SEA PINK FAMILY 



Ours are maritime herbs,' with all parts of the flower 5, 

 except the 1-celled, 1-ovuled ovary. Leaves alternate, entire, 

 clasping the stem. Calyx tubular or funnel-form, 5-toothed. 

 Corolla with 5 petals, united at base into a ring. Stamens 

 5, opposite the petals, and inserted at their base. Ovary 

 5-angled at summit, with 1 ovule ; styles 5. 



I. ARME'RIA, Thrift 



Stemless perennials, with narrow, linear, persistent leaves 

 in close tufts. Flowers in a head subtended by an involucre, 

 on a long scape. Corolla 5-parted, of 5 distinct petals. 



A. vulga'ris Willd. SEA PINK. Corolla rose-color. This is com- 

 mon along the coast, blooming in spring. 



H. STAT'ICE, Sea Lavender 



Flowers in small one-sided spikes crowded at the ends of the 

 numerous widely spreading branches. Leaves with a broad, 

 tough blade tapering to a petiole. 



S. Limo'nium L. var. Califor'nica Watson. SEA LAVENDER. 

 Corolla violet. This is common in salt marshes, blooming in 

 summer. 



OLEA'CEJE. ASH FAMILY 



Trees or shrubs having opposite leaves without stipules. 

 Corolla 2 or 4 lobed. Stamens 2. Ovary 2-celled, with 2 

 ovules hanging from the top of each cell. Fruit often 1-celled 



