214 Flora of Bouldin Island. [ZOE 
Epilobium holosericeum Barb. 
Epilobium Franciscanum Barb. 
Epilobium paniculatum Nutt. 
Gnothera biennis I. 
Hydrocotyle prolifera Kell. Very abundant and fruiting in 
great profusion. 
Apium graveolens 1. Not common as it is about the borders 
of the Suisun Marsh. 
G:nanthe sarmentosa Nutt. 
Cicuta Bolanderi Wats. Often ten feet high or more. 
Cephalanthus occidentalis I,. 
Galium trifidum L. 
Solidago elongata Nutt. Six to nine feet high with a pyram- 
idal panicle one to two feet long and half as broad. 
Solidago occidentalis Nutt. Of great size and luxuriance— 
perhaps the most abundant composite of the island. 
Aster Douglasii Lindl. 
Conyza Coulteri Gray, ne ron discoidea Kell. Frequent but 
not abundant. 
Baccharis Douglasti DC. 
Pluchea camphorata DC. 
Gnaphalium palustre Nutt. 
Amobrosta pstlostachya DC. 
Xanthium strumarium 1, Abundant, probably brought’ in ss 
by sheep which are ferried from the mainland to the stubble fields — 
in September. 
Xanthium spinosum I, Wess abundant than the last. 
Helianthus Californicus DC. H. giganteus var. insulus Kell. 
Ten to fifteen feet high. 
Bidens chrysanthemotdes Michx. Common about the ditches. 
_ * Bidens frondosa 1,. Very abundant about the roadsides. 
Matricaria discotdea DC. 
Artemisia vulgaris L. 
