2^6 Plants of San Francisco. [zoe 



210. Grindelia robusta Nutt. Trans. Am. Phil. Soc vii, 314. 

 Mission Hills, South San Francisco. May— July. "Gum Plant." 



211. Pentach.eta alsinoides Greene. Bull. Torr. Club, ix, 

 109. Mission Hills. April. 



212. Lessingia Germanorum Cham. Linnaea, iv. 203. Sandy 

 stretches near Lobos Creek and Lake Merced. April— July. 



213. Chrysopsis villosa (Pursh.) var. sessiliflora (Nutt. 

 Trans. Am. Phil. Soc. vii, 317). Mission Hills, Buena Vista Park. 

 June — August. 



214. Aplopappus ERicoiDES'(Less. in Linnaea, vi, 117). Com- 

 mon in the western part of the c\\y. Flowering the greater part of 

 the year. 



215. BiGELOViA VENETA HBK. Nov. Gen. & Spec, iv, 68. A 

 few plants near the entrance to the Military Reservation at Black 

 Point. In this location they grow luxuriantly, the largest being 

 four feet high with a stem five inches in circumference. August — 



November. 



216. SoLiDAGO occiDENTALis(Nutt. Trans. Am. Phil. Soc. vii, 



326). Laurel Hill Cemetery. July — September, 



217. SoLiDAGO Calieornica Nutt. 1. c. 328. Hills lu the western 

 part of the city. July — October. ** Golden Rod." 



218. Solidago sempervirens L. Spec. 1232. Near Laguna 

 Honda. August — November. ** Leafy Golden Rod." 



219. Corethrogyne Caeifornica DC Prodr. v, 215. Potrero 

 Hills. April — June. 



220. Aster Chamissonis Gray. Common. July — October. 



"■ Aster. 



J I 



i 



221. Erigeron glaucus (Nees. Ast. 275). Summits of rocky 

 hills and cliffs of the seashore, flowering nearly all tlic year. 



222. Erigeron Phtladelphtcus L. Spec, 1211. Near Ocean 



View, Visitacion Valley. May — ^July. 



223. Erigeron Canadensis L. Spec. 1211. '^Waste grounds, 

 common. Nearly all the year. '' Horseweed.'' 



224. Baccharispilularis DC. Prodr. v, 407. Common every- 

 where In the western part of the city, growing tall and robust in 

 sheltered spots and depressed-spreading in bare spots exposed to 

 the wind. June— October. 



