644 HISTORY OF PASADENA. 



Compositcr. 

 COLEOSANTHUS Cass. 



C. CALiFORNicus (T. & G.) O. Ktze. Hills along Arroyo Seco, foothills S. G. Mts. 



July — September. 

 C. NEViNii (Gr.) O. Ktze. Foothills S. G. Mts. July— September. 



GRINDELIA Willd. 



G. ROBUSTA Nutt. Frequent below 2,000 feet. May — ^July. 

 HETEROTHECA Cass. 



H. GRANDIFLORA Nutt. Common below 2,000 feet. 



CHRYSOPSIS Nutt. 



C. SESSILIFLORA Nutt. O. K., A. S. June — August. 

 ERICAMERIA Nutt. 



E. CUNEATUS (Gr.) McC. Rubio Canyon. June — September. 



E. MONACTiS (Gr.) McC. Hills along A. S., foothills S. G. Mts. June— Sept. 

 HAZARDIA Greene. 



H. SQUARROSUS (H. & A.) Greene. Hills along A. S., foothills S. G. Mts. June — 

 September. 

 BIGELOVIA DC. 



B. VENETA Gr. A. S., foothills S. G. Mts. and adjacent plains. July — Sept. 

 SOLIDAGO Linn. 



S. CALiFORNiCA Nutt. O. K., A. S., canyons of S. G. Mts. to 5,000 feet (side of 



Mt. Lowe). August — October. 

 S. CONFiNis Gr. Oak Knoll. August — October. 

 S. occiDENTALiS Nutt. Arroyo Seco. August — October. . 



CORETHROGYNE DC. 



C, FiLAGiNiFOtiA Nutt. Common below 5,000 feet. June — September. 



ASTER Linn. 



A. ADSCENDENS Lindl. S. G. Mts. July — September. 

 A. EXiLis Ell. Along streets. 



A. FREMONTi Gr. var. parishii Gr. Canons S. G. Mts. August — October. 

 ERIGERON Linn. 



E. CANADENSE Linn Common below 2,500 feet. June — September. 

 E. FOi^iosuM Nutt. Frequent below 3,600 feet. May — August. 



E. PHiLADELPHicuM Linn. O. K., A. S. April— July. 

 CONYZA Linn, 



C. COULTERI Gray. Oak Knoll. July — September. 

 BACCHARIS Linn. 



B. viMiNEA DC. O. K., A. S., canyons S. G. Mts. 

 GNAPHALODES Tourn. 



G. CALiFORNiCA (F. & M.) Greene. Frequent in dry soil below 3,000 feet. April 

 —June. 

 FILAGO Linn. 



F. CALiFORNiCA Nutt. Common in dry soil below 3,000 feet. April — June. 

 GNAPHALIUM Linn. Everlasting. 



G. CALiFORNicuM DC. Common below 3,000 feet. March — July, 

 G. CHiLENSE Spreng. Common below 2,000 feet. April — ^June. 



G. LECCOCEPHALUM Gr. Frequent between 1,000 — 3,000 feet. July-September. 



G. MICROCEPHALUM Nutt. Frequeut below 2,500 feet. July — September. 



G. PAI.U.STRE Nutt. Oak Knoll. April— May. 



G. RAMOSiS.siMUM Nutt. Oak Knoll. August — October. 

 AMBROSIA Tourn. Ragweed. 



A. PSii<osT.\CHYA DC. Com. below 2,000 feet. August — October. 

 XANTHIUM Tourn. 



X. SPINOSUM Linn. Along streets. June — September. 



X. STRUMARiUM Linn. In waste soil. June — August. 

 HELIANTHUS Linn. vSunflower. 



H. ANNUUS Linn. Com. below 2,000 feet. 

 LEPTOSYNE DC. 



L. DOUGLASii DC. A. S. and adjacent hills; foothills S. G. Mts. and adjacent plains. 

 June — September. 



