PIPER FLORA OF THE STATE OF WASHINGTON. 585 



Range: British Columbia to Manitoba south to Mexico. 



Specimens examined: Port Crescent, Lawrence 266; Everett, Pifer 4986; Mount 

 Adams, Sulcsdorf 1606; Mount Rainier, Piper, August, 1895; Smith; Allen; Tolmie; Crab 

 and Wilson CTee\is, Savdherg & Leiherg 286; Loon Lake, Winston, July 20, 1897; Kamiak 

 Butte, Piper, July 20, 1899; Wawawai, Lake & Hull 804; Spokane, Kreager 7. 



Zonal distribution: Transition to Hudsonian. 



The form of this species which grows near the seacoast is much greener and may perhaps 

 better be referred to typical A. millefolium h. Alpine forms are much reduced in stature, but 

 we believe that none of the Washington specimens can properly l)e referred to A. horealis 

 Bong. 



ANTHEMIS. 



Rays yellow; leaves somewhat tomentose 1. A. tinctoria. 



Rays white. 



Leaves glabrous, ill-scented; rays neutral 2. A. cotula. 



Leaves pubescent, not ill-scented ; rays fertile 3. vl. arvensis. 



1. Anthemis tinctoria L. Sp. PI. 2: 896. 17."3. 



Type ixkjality: "Habitat in Sueciae, Germaniae apricis pratis siccis." 

 Specimens examined: Lake Park, Pierce County, Piper. 



2. Anthemis cotula L. Sp. PI. 2: 894. 17.53. 



Maruta cotula DC. Prod. 6: 13. 1837. Mayweed. 



Type locality: "Habitat in Europae nideratis praecipue in Ucrania." 

 Specimens examined: Pullman, Piper, July 29, 1899. 



3. Anthemis arvensis L. Sp. PI. 2: 894. 1753. 



Type locality: "Habitat in Europae praesertim Surcrae agris." 



Specimens examined: Olympia, Hemhr son 2293; West Klickitat County, (S'wts<fo?/ 139; 

 Fort Canby, Savage August 13, 1898. 



CHRYSANTHEMUM. 



Heads solitary, lai^e; leaves pinnatifid 1.0. leucanthemum. 



Heads corymbed, smaller; leaves bipinnatifid 2. C. parthenium. 



1. Chrysanthemum leucanthemum subpinnatifidumFernald,Rhodora 6: 181. 1903. 



OxEYE daisy. 

 The oxeye daisy is a common weed in a few localities in western Washington. Accord- 

 ing to Hooker it was collected by Douglas at Fort Vancouver as early as 1825. 



2. Chrysanthemum parthenium (L.) Pers. Syn. 2: 462. 1807. Feverfew. 

 Matricaria parthenium L. Sp. PI. 2: 890. 1753. 



Type locality: European. 



This has been collected as a garden escape at Waitsburg by Homer, and it is reported from 

 west Klickitat County by Suksdorf. 



MATRICARIA. 



1. Matricaria matricarioides (Less.) Porter, Mem. Torr. Club 5: 341. 1894. 



Artemisia matricarioides Less. Linnaea 6: 210. 1831. 



Matricaria discoidea DC. Prod. 6 : 50. 1 837. 



Type locality: Unalaschka. 



Range: Alaska to California and Montana. 



Specimens examined: Seattle, Piper in 1892; Silverton, Bouck 112a; Pullman, Piper 

 1588; Big Meadows, Kreager 432. 



Zonal distribution: Transition. 



Matricaria ciiamomilla L., the garden chamomile, is reported from Klickitat County 

 as an escape by Suksdorf. 



