646 HISTORY OF PASADENA. 



PTILORIA Raf. 



P. CICHORIACEA (Gr.) Greene. Canyons S. G. INIts. July— September. 



P. viRGATA (Benth.) Greene. Com. below 3,500 feet. June — October. 

 RAFINESQUIA Nutt. 



R. CAI.IFORNICA Nutt. Hills along A. S. June — July. 

 MALACOTHRIX DC. 



M. TENUiFOLiA T. & G. Com. below 2,500 feet. June— August. 

 HYPOCH.-ERTS Linn. 



H. RADiCATA Linn. Along streets. May — ^July. 

 CREPIS Linn. 



C. BIENNIS Linn. Along streets. April— June. 

 TARAXACUM Linn. Dandelion. 



T. TARAXACUM (Linn.) Mac M. Occasional along streets. April — October. 

 LACTUCA Tourn. 



L. SCARIOLA L. South of Pasadena. June — August. 

 SONCHUS Linn. Sow-Thistle. 



S. ASPER Linn. Frequent below 1,500 feet. 



S. oivERACEus Linn. Common below 1,500 feet. 

 HIERACIUM Tourn. Hawkweed. 



H. PARiSHii Gr. Canyons S. G. Mts. June — August. 



SUMMARY OF PLANTS LISTED. 



Protophvt.'V 40 



Phycophyta 50 



c arpoph yta 350 



Bryophyta 53 



PTERIDOPHYTA 21 



Spermaphyta 542 



Total 1,056 



