vou. ut.) Natural History of the Farallones. 147 
PHANEROGAMS— 
Introduced. 
* Stellaria media L. 
Cerastium viscosum L. 
+ Malva parviflora L. 
* Erodium cicutarium L’ Her. 
+ Trifolium microcephalum Pursh. 
+ Trifolium bifidum Gray var. decipiens Greene. 
+ Melilotus Indica Allioni. 
* Medicago denticulata Willd. 
* Sonchus asper L. 
+ Anagallis arvensis L. 
+ Polygonum aviculare L. 
+ Chenopodium album L. 
* Polypogon littoralis Smith. 
+ Avena fatua L. 
* Poa annua L. 
* Festuca Myurus L. 
* Hordeum murinum L. 
Native. 
Sagina occidentalis Wats. 
Lepigonum macrothecum Pursh. 
Lepigonum medium Fries. 
Claytonia perfoliata Donn. 
Tillza minima Miers. 
Erigeron glaucus Ker. 
Psilocarphus tenellus Nutt. 
Eritrichium californicum DC. 
Phyllospadix Torreyi Wats. 
Juncus bufonius L. 
FERNS— 
Aspidium munitum Kaulfuss. Only a single specimen collected. 
MossEs— 
Funaria hygrometrica Sibth. Abundant. 
* Well established. t In garden only. 
