50 Plants of San Francisco. 
bare stony hills it is low and decumbent, but in the ravines and 
sheltered spots it reaches 6-8 feet. 
114a. HOoSACKIA STRIGOSA Nutt. T. & G. FI. i, 326. Along 
the railway, Point Lobos. April—May. 
142a. TELLIMA AFFINIs (Gray. Proc. Am. Acad. vi, 534). The 
most common species in our limits. March—May. : 
153@- CALLITRICHE SEPULTA Wats. Proc. Am. Acad. xiv, 298. 
Surface of mud about pools, Presidio. April—May. 
Ecuinocystis MARAH Wats. This species was supposed to be 
extinct within our limits, but it still persists in the gorse thickets 
near Visitacion Valley. 
APIASTRUM ANGUSTIFOLIUM Nutt. T. & G. Fl. i, 644. Point 
Lobos, South San Francisco, Visitacion Valley. April—May. 
204a. GALIuM CALIForNICcUM H. & A. Bot. Beech. 349. South 
San Francisco, Visitacion Valley. April—June. 
2554. LAYIA CALLIGLOSSA var. OLIGOCH&TA Gray. Fields at 
the upper end of Visitacion Valley. April. 
2854. Cnicus arvensis (L. spec. 1149.) About the base of Tel- 
egraph Hill. May—October. “Canada Thistle.’’ 
The spread of this plant is to be dreaded; though apt to be less 
troublesome in our dry climate than in the eastern states, it will be 
difficult to eradicate from irrigated fields and borders of ditches. 
Centunculus minimus L. spec. 169. Cliffs between Lobos Creek 
and Fort Point, and very abundant about the Presidio in com- 
pany with Microcala guadrangularis. April. 
328 a. NEMOPHILA PARVIFLORA Benth. Trans. Linn. Soc. xvii, | 
275. Common in rocky bushy places. March—May. 
329@. NEMOPHILA AURITA Lindl. Bot. Reg. t. 1601. Near the 
northern base of a high hill in South San Francisco. April—May. 
3344. PHAcELIA DouGrasi (Benth. Trans. Linn. Soc. XVii,” 
276). Near Lake Merced. April-—May. 
3704. ORTHOCARPUS ATTENUATUS Gray. Pac. R. Rep. iv, 121. 
Potrero. April. 
3724. ORTHOCARPUS FAUCIBARBATUS Gray. Pac. R. Rep. iv, 
121. Presidio, Potrero, Visitacion Valley. April. ‘ 
_ ? EQUISETUM ARVENSE L, Marshy banks and ditch sides. Visi- 
tacion Valley. 
