(116 ) 
1. quaBRa L.—©. Ballast weed, introduced 
from Europe. Summer. 
66, (Microseris) Scorzonella Nutt. 
Involucre campanulate, imbricate in several 
ranks. Receptacle flat, naked, foveolate. 
Akenes more than 5-costate; pappus palea- 
ceous; palex entire, lanceolate, tipped with a 
barbellate awn. Heads nodding when in bud. 
Plant caulescent. Flowers yellow. 
1. S. procera Gray. Head more than 100- 
flowered; awns simply barbellate, 3 times longer 
than the palew.—2¢. Sonoma. Summer. 
2. §. paLuposa Greene. Head less than 
75 flowered; awns simply barbellate, twice as 
long as the palew.—2. Marshy grounds. 
Marin County near Corte Madera. Summer. 
3. S. sytvatica Gray. Awns nearly plum- 
ose, shorter than the palex.—2. Contra 
Costa. Summer. 
67. (Microseris) Calais DC. 
Involucre conical, imbricate. Receptacle 
flat, alveolate. Akenes more than 5-costate; 
pale of the pappus 5, flat, bifid, with short 
awns. Head always erect on hollow, scape- 
like peduncles, that swell toward the head. 
Flowers yellow. 
