ADDENDA. 



[To PAGE CO.] 



CBnothera albicaulis, Nutt. Steins white, erect, \ to 4 ft. high; leaves linear to 

 oblong-lanceolate, entire or repand-denticulate or sinuate-pinnatifid toward the base, 1 to 

 3 inches long; flowers axillary, white becoming pinkish, 1 to 2 inches in diameter; calyx 

 tube an inch long or less; capsule an inch or two long. Sand hills near Antioch. 



[To PAGE C2.] 



Mentsolia Lindleyi, Torr. & Gr. Slender, 1 to 3 ft. high, branched; leaves ovate 

 to narrowly lanceolate, 2 or 3 inches long, pectinately pinnatifid, or coarsely sinuate- 

 toothed; flowers axillary and terminal; calyx lobes 5 to 9 lines long, lanceolate; petals 

 obovate, abruptly acuminate, an inch long. Corral Hollow, Mt. Hamilton. 



[To PAGE 82.] 



Pliacelia Douglasii, Torr. Pubescent and hirsute with mostly spreading hairs; 

 leaves elongated-oblong or linear, pinnatifid, or pinnately parted into pairs of lobes, the 

 terminal lobo hardly longer than the others; flowers loosely racemose, long-pecliceled; 

 calyx lobes spatulate. Low spreading stems with blue flowers resembling NemopJiila 



insignis. Autioch, A. A. Bailey. 



[To PAGE 80.] 



Convolvulus arvensis, L. (Bindweed. ) Stems procumbent and twining from deep 

 rootstocks; leaves hastate to sagittate, to 1J inches long; peduncles mostly 1 -flowered, 

 with a pair of minute bracts near the center; corolla a half to nearly an inch long, white, 

 tinged with brownish red. A troublesome weed now abundant in San Jose, Stockton, 

 Oakland, etc. The flowers appear late in the dry season. 



[To PAGE 88.} 



Solanum Carolinenss, L. (Horse Nettle.) Stems prickly; leaves ovate-oblong, 

 sinuate-toothed, rough with stellate hairs, yellow prickles along the midrib, and on the 

 calyx; flowers pale blue or white, large; berries globular, orange-yellow. Introduced at 

 Vallejo, C. B. Towle. 



[To PAGE 91.] 



Tonella Collinsioidos, Nutt. A slender plant distinguished from Collinsia by the 

 leaves, some of them being 3-parted. Flowers minute, the tube slightly gibbous; 

 stamens free from the lower lobe of the limb; capsule considerably exceeding the calyx. 

 Mariii Co., Mrs Oaldey. 



[To PAGE 91.] 



Pentstemon centrantliifolius, Benth. Glaucous, strict and virgate, leafy 1 to 3 ft. 

 high; leaves thick, ovate-lanceolate, sessile; corolla deep and bright red, tubular, an 

 inch or more long, the lobes nearly equal, very short; sterile filament naked. A showy 

 species well worth cultivating for its deep vermilion flowers. Very abundant on the 

 sand-hills near Antioch. A. A. Bailey. 



