VOL. Iv. | flora of Bouldin Istana. = BAT 
Populus Fremonti Watson. Not common. . 
Asparagus officinalis 1,. A considerable part of the acreage 
of Bouldin Island is devoted to the cultivation of this plant. It 
is becoming abundantly naturalized, as might be expected from 
the profusion of seed. 
Typha latifolia 1,. 
Lemna trisulca I,. 
Lemna minor I,. 
* Spetrodela polyrrhiza (1). 
Alisma Plantago \,. 
Sagittaria sagittefolia Y,. var., S. Sinensis Sims. The Chinese 
plant this for its edible tubers, and it has escaped and is thor- 
oughly at home in nearly all the marshy lands of the Sacramento 
and San Joaquin. It ripensa very large number of seeds, which 
are widely disseminated by the waters. 
Juncus effusus L. 
Juncus xiphoides Meyet. 
Cyperus erythrorhizos Muhl. 
Scirpus lacustris \,. 
Scirpus Tatora Kunth. 
Scirpus Olneyi Gray. 
Eleocharis palustris R. Br. 
Carex. Not determined. 
Panicum Crus-gallil,, The most common grass, 
Setaria glauca Beauv. 
Phleum pratense \,. 
Phalaris Canariensts 1. 
Polypogon Monspeliensis Desf. 
Agrostis alba I,. 
Agrostis scabra, Willd. 
Agrostis verticillata Vill. 
Flolcus lanatus VY. 
Phragmites communis Trin. 
