24 CARYOPHYLLACE.E. 



one-aided stigma, a one-celled ovary, forming a capsule, which splits at maturity into 

 three parts. Key to genera and species, p. 91. 



Add after the third species of Viola V. Howellii, Gray. A blue violet with a very 

 short, thick spur. Oregon. 



POLYGALACE^E. 



Herbs or shrubs, with simple entire exstipulate leaves, remarkable for the flowers 

 which appear like those of the Pea family, but the structure is very different. Leaves 

 simple, entire: stamens less than ten: pistil 2-carpelled. Key to genera and species, p. 91. 



FRANKENIACEJE. 



Sessile, small, opposite leaves: small flowers, sessile, in the axils of the numerous 

 branches: ribbed calyx, tubular. See p. 92. 



CARYOPHYLLACEJE. 



Herbs with regular and mostly perfect flowers, persistent calyx, its parts and the 

 petals 4 or 5 and imbricated, or the latter sometimes convolute in the bud, the distinct 

 stamens commonly twice as many as the petals, ovary 1-celled with a free central 

 placenta. Stems usually swollen at the nodes. Leaves opposite, often united at the 

 base by a transverse line, in one group, with interposed scarious stipules. Styles 2 to 5, 

 mostly distinct. Fruit a capsule opening by valves, or by teeth at the summit. Flowers 

 terminal, or in the forks, or in cymes. Key to genera and species, p. 92. 



SILENE. 



Silene racemosa, Otto, an annual, has deeply bifid white petals: fragrant. Intro- 

 duced. Berkeley. 1 



S. multinervis, Watson. Ovoid calyx conspicuously 20-25 nerved: small purplish 

 petals, not appendaged. 



S. inflata, Smith. Slender perennial: calyx ovoid: large white petals, bifid. Nat- 

 uralized. Vallejo. 



S. liuisana, Wat. Perennial, glandular-pubescent: calyx teeth, with membranous 

 ciliate margin: white petals, bifid. San Luis Obispo, Monterey. 



S. Bernardina, Wat. Perennial, glandular-pubescent: petals greenish, cleft into 

 4 equal narrow lodes, appendages nearly half the length of the blade, 2-parted, the 

 inner segment lacerate. Long Meadow, Tulare Co. 



