34 PLANTS OF LOS ANGELES COUNTY. 



EQUISITACE/E. 



Equisetum, Linn. Horse-tail. Scouring Rush. 

 *Mexicanum, Wilde. Arroyo Seco. ( Fl. Pasa.) 

 robustum, A. Br. Common in foothill canons. 

 Telmateia, Ehrh. Rivers and wet places, common, 

 variegatum, Schl. River at Los Angeles. 



SELAGINELLACE/E . 

 Selaginella, Beauv. 



rupestris, Spring. Mountains generally. 



MARSILEACE/E. 

 narsilia, Linn. 



vestita, H. & G. Near Santa Monica. 



SALV1NIACE/E. 

 Azolla, Lam. 



filiculoides, Ehrh. Very common on stagnant pools. 



ERRATA. 



Page i, for Papavaracese, read Papaveraceae. 



Cerastiuni viscosum, on page 4, and Portulaca oleracea ; Malva parvi- 

 flora; Linum usitatissimum 011 page 5 ought to have been printed in italics. 



Page 17, for Centuarea, read Centaurea. 



Page 20, Phacelia heterosperma is a synonym (or P. Lemmoni, Gray. 



Addenda: 



LEQUMINOS/E. 



Hoffmanseggia stricta, Benth. In an alfalfa field near Alhambra. 



COriPOSIT/E. 



Leptosyne calliopsidea, var. nana, Gray. Roadsides, Manzana. 

 Lactuca Scariola, Linn. Near University Station. 



LABIATVE. 



Mentha rotundifolia, Huds. Verdugo Park. 



