VOL. II.] Plants of San Francisco. \_t^'^(^ 



n 



r 



14. Platystigma CalifornicUxM (Torr. In Frem. Rep. 312). 

 Hills south of Golden Gate Park. March— April 



15. EscHSCHOLTZiACALiFORNiCACham. Hor. Phys, Berol. 73, 

 t. 15. Common in the western part of the city. Blooming the 

 whole year. ** California Poppy/' 



CRUCIFER^. 



16. Alysstun marititnum L. Escaped from cultivation in many 

 places, but not truly naturalized. All the year. ** Sweet Alyssum.'* 



17. Cardamine oligosperma Nutt in Torr. & Gray, FL i, 85. 

 Everywhere in the western part of the city. March— May. 



18. Cardamine paucisecta Benth. PI. Hartw. 297. Western 

 and southern parts of the city. January— April '* Bitter Cress." 



19. Arabis perfoliata Lam. Hills of South San Francisco; 

 not common. March — May. ' ' Tower Mustard. ' ' 



20. Arabis blepharophylla Hook & Arn. On rocky hills 

 at the Presidio, south of Golden Gate Park and at South San Fran- 

 cisco. February— May. ' ' Rock Cress. ' ' 



21. Cheiranthus asper Cham. & Schl. in Linnaea i, 14. Low 

 hills and sandy flats near the sea. February— May. **Rouo-h 

 Wallflower." . "" 



22. Brassica nigra (L. spec. 933). About . fields and waste 

 places, not common. March — May. '* Black Mustard." 



23. Brassica campestris L.spec. 931. About fields in the south- 

 ern part, March — May. " Turnip." 



24. Barbarea vulgaris Brown. About the Almshouse and the 

 Ocean House road, February — April. " Winter Cress." 



25. Sisymbrium lasioph\^llum'^ (H. & A. Bot. Beechey32i). 



26. Sisyvibj'itim officinale^ Scop. Fl. Car. ed. 2, no. 824. An 

 unsightly weed common about roadsides and neglected walks. 

 March— May. "Hedge Mustard.'* 



27. Nasturtium curvisiliqua Nutt. In sandy places about 

 the shore of Lake Merced. April — July. 



. *S, reflex2t7n of Bot. Cal. 



+ S. aciitangulum is mentioned in Bot, Cal. as occurring about San Francisco, 

 bat has not been brought to our notice. 



