trilmlcd, L-oiisisting of a gaily colori-il i)aiuf huttirlly, uilli a biirdocU hur for a 

 Ijoily, by means ot which it was made to adhere to the garments of passers, and 

 was thus carried away. The same ol)jecli()nahle device was used in England and m 

 New South Wales, until forl)idden hy law."' Native of ICnrope. 



Silybum Marianum (iaertn. iMilk Thistle. 



".\atur,ili/ed and widely distributed tlnoUKbout tlie st.ite, mostly by road- 

 sides and in waste places, but sometinus invading pastures. .San Uenianiino, 

 Parish rare in 1818, now much commoner, but not abundant. Chino Creek, near 

 t)ntario, "a serious pest in pastures," Johnston in I'JlS. i'he earliest collections 

 are: San l-rancisco, Behr, "llrst appeared," in 1853; Prairie ( ity, S.icramcnto 

 t'ounty, "abundant," K. Brandegee in 1854; Knight's Ferry, Bigelow in 1857. Na- 

 tive of Europe. 



Senecio sylvaticus E. 



Infre(|uent and local. I'liiversity Heights, San Uiigo, K. Brandegee in 1901. 

 Jarujia hills, near Riverside, Mrs. Wilder in 1909. Native of Europe. 

 Senecio vulgaris E. Ciroundsel. 



Eoc.illy common in yards and gardens, mostly near the coast. Eos Angeles, 

 Davidson in 189_'. San Uiego and Santa Barbara, Parish in 1916. Claremont region, 

 Johnston in 1916, and in the San Antonio Mts., at Camp Baldy, 5,000 ft. alt. Com- 

 mon in central California. Native of Europe. 



Artemisia biennis W'illd. Annual Wormwood. 



Infrcc|ucnt in moist soil. Eos Angeles, Davidson in 1890, and now more abun- 

 dant. Cultivated field near .Santa Ana, Parish in 1882. .Santa Barbara, Mrs. Cooper 

 about 1896. Mojave Desert, in a meadow at N'ictorville, Parish in 1915. Infre- 

 (luent in the state. Native in the northwestern states. 



Anthemis Cotula L. Mayweed. 



A common roadside weed, but a recent migrant in the south from central 

 California. San Bernardino, rare in 1880, now abundant. Santa Catalina island, "a 

 recent introduction," T. S. Brandegee in 1890. Probably first introduced in the 

 state in the pioneer period. Prairie City, Sacramento county, K. Brandegee in 

 1854.""' Hilgard'"' first saw it by the roadside between Oakland and Berkeley in 

 1880, and reported it as "not yet widely dififused" in the Bay region in 1890. But as 

 early as 1882 it had entered the coast regions, and in 1890 was abundant in hill 

 pastures. It is now common throughout the state. Native of Europe. 



Chrysanthemum coronarium E. 



A recent introduction, naturalized along railway tracks and elsewhere in San 

 Dieg:o, Mrs. Spencer in 1919. Not otherwise known from the state. Native of the 

 Mediterranean region. 



Matricaria occidentalis Creene. 



On a street, Highland, Parish in 1895, not reappearing. Thought to be native 

 of the Sacramento valley. 



Matricaria suaveolens Buchenau. M. discoidea DC. Pineapple-weed. 



Widely distributed and abundant, but mostly about farms, old sheep corrals 

 and in waste places, always appearing like an introduced plant. Adventive at a 

 few places in Imperial vallev, Colorado Desert, in 1913. In the Mojave Desert: 

 Victorville, Hall in 1905. Pleasant Canon, Hall & Chandler in 1906. Cima, K. Bran- 

 degee in 1916. Eone Willow .Springs, Parish in 1916. Native of the northwestern 

 Pacific states. 



Cotula australis Hook. 



A weed of citj- streets; common near the coast, but seldom collected in the 

 interior. San Diego, Cleveland in 1882. Eos Angeles, Minthorn in 1905. Pasadena, 

 Grant in 1905. Riverside, Mrs. Wilder in 1908. .San Bernardino, in a lawn, Parish 

 in 1911. Park at Ontario, Johnston in 1918. North to Humboldt county. Native of 

 Australia. 



Cotula coronopifolia L. Brass Buttons. 



An early immigrant, probably of the pioneer period; common in spring on the 

 borders of small streams and in wet places. In the Colorado Desert at the old 

 Palm Springs Stage Station, on Carrizo Creek, Parish in 1915. Common throughout 

 the state. Appeared first at San Francisco between 1851-1854."" Native of Europe. 



Soliva sessilis R. & P. 



Reported from "moist soil near Santa Barbara,"""^ but I have not been able to 

 authenticate its present occurrence there. Infrequent in coast towns further north. 

 Native of Chile. 



"Nature 84:547. 1910. 



"'Brandegee, K. Zoe 2:76. 1891. 



««Hilgard, E. W. Weeds of California. 1890. 



"•Behr, H. H. Zoe 2:4. 1891. 



^'■•Gray, A. In Brewer & Watson, Bot. Cal. 1:406. 1876. 



28 



