HYPERICACE.E. 25 



S. Suksdorfii, Robinson. Low, densely matted, alpine, stem leaves usually 2 pairs, 

 linear, 3-7 lines long, a line wide: radical leaves, crowded: petals white, slightly bifid. 



POLYCARPON. 



Polycarpon tetraphyllum, Linn. Lower leaves nearly in whorls of 4: branches 

 3-7 inches long. Naturalized. 



LYCHNIS. 



Lychnis Githago, Lam. (Agrostemma Bay- Reg. Bot.) Corn-Cockle. Erect 2-4 

 feet high: slender leaves, united at base: calyx over an inch long, the slender lobes sur- 

 passing the purple uuappendaged petals. A naturalized weed. 



Saponaria Vaccaria is Vaccaria vulgaris; Stellaria is Alsine; Sagina is 

 Alsinella; and Lepigonum is Tissa in Bay-Reg. Bot. Prof. Greene describes nine 

 species of the last growing in Bay region. All these, with Li. gracile, may be con- 

 sidered varieties of two species, or even of one. Authorities have not decided whether 

 Tissa or Buda shall take the place of Lepigonum as**the generic name of these 

 interesting plants. 



ILLECEBRACE^E. 



Leaves opposite or alternate, pungent, small: flowers inconspicuous, axillary; petals 

 wanting or rudimentary: style undivided or 2-cleft: fruit l-.seeded^. Key to genera and 

 species, p. 96. 



Add: Paronychia Chilensis, D. C. Leaves opposite, on tough, short-jointed, suf- 

 frutescent stems: purplish calyx, minute. Presidio, San Francisco. 



Herniaria cineria, D. C. Slender annual: ashy leaves and flowers, minute. 

 Introduced. Monte Diablo. 



HYPERICACEJE. 



Herbs or shrubs, with opposite, entire, punctate leaves, no stipules and perfect 

 flowers with 4 or 5 petals and numerous stamens, the fruit a septicidal many-seeded 

 capsule. Calyx of 4 or 5 persistent sepals. Filaments mostly in 3 sets. Styles 2 to 5, 

 usually distinct. Key to genera and species, p. 98. 



HYPEBICUM. 



Hypericum mutilum, Linn., has been found in Solano County by Jepson. 

 Stamens only 5-12, distinct. 



