148 Caryophyllaceae 



less, acutish, 3-4 mm. long; petals obovate, 6-8 mm. long. (A. 

 palustris Wats.) 



Growing in marshy ground, near Los Angeles, Davidson. 



6. SPEBGULA L. CORN SPURRY. 



Annual branched herbs, with subulate stipulate leaves, 

 much fascicled in the axils. Flowers white, in terminal 

 cymes. Sepals and petals 5. Stamens 5 or 10. Styles 

 3, alternate with the sepals. Capsule 5-valved, the 

 valves opposite the sepals. Seeds compressed, acutely 

 margined or winged. 



1. S. arvensis L. Slender, glabrous or sparingly pubescent, 

 branching from the base, erect or ascending, 15-45 cm. high; 

 leaves narrowly linear or subulate, 2.5-5 cm. long, clustered at 

 the nodes, appearing verticillate ; stipules minute, connate; flow- 

 ers 4-6 mm. broad, numerous, in loose terminal cymes; pedicels 

 slender divaricate; sepals ovate, 3-4 mm. long, slightly longer 

 than the petals; stamens 10 or 5; capsule ovoid, longer than the 

 calyx. 



Occasional about Los Angeles and Pasadena. Native of Europe. 

 March-April. 



7. TISSA Adans. 



Low annual or perennial herbs, with fleshy linear or 

 setaceous leaves, and small pink or whitish flowers in 

 terminal racemose, bracted or leafy cymes. Stipules 

 scarious, usually conspicuous. Sepals 5. Petals 5, fewer 

 or none, entire. Stamens 2-10. Ovary 1-celled many- 

 ovuled ; styles 3. Capsule 3-valved to the base. Seeds 

 reniform-globose or compressed, smooth, winged or tuber- 

 culate. (Buda Adans.; Spergularia Pursh.) 



* Annual, roots fibrous. 



1. T. marina (L.) Britton. Stout, erect or ascending, more or 

 less glandular-pubescent, 3 dm. high or less ; leaves fleshy, 2-4 

 cm. long, linear, clustered in the axils; petals rose color; stamens 



