PIPER FLORA OF THE STATE OF WASHINGTON. 303 



SCHOENOCB AMBE . 



1. Schoenocrambe linifolia (Nutt.) Greene, Pittonia 3: 127. 1896. 



Sisymbrium linifolium Nutt.; Torr. & Gr. Fl. 1: 91. 1838. 



Nasturtium linifolium Nutt. Journ. Acad. Phila. 7: 12. 1834. 



Type locality: "Head of Salmon River, in dry soils," Montana? Collected byWyeth. 



Range: Washington and Montana to Colorado and Arizona. 



Specimens examined: Ellensburg, Whited 635; Piper, May, 1897; Whited 398; Klicki- 

 tat County, Suksdorf 3; Wilbur, Henderson 2380; Crab and Wilson creeks, Sandberg & 

 Leiberg 271; Coulee City, Piper 3854; without locality, Brandegee 640. 



Zonal distribution: Upper Sonoran. 



CAMPE. 



Pods appressed, 1 to 1 .5 cm. long l.C. stricta. 



Pods ascending, 2.5 to 3 cm. long 2. C. harbarea. 



1. Campe stricta (Andrz.) W. F. Wight. 

 Barbarea stricta Andrz. in Bess. Enum. 72. 1822. 

 Barbarea vulgaris stricta A. Gray, Man. ed. 2: 35. 1856. 

 Type locality: "In Podoliae austr." 



Specimens examined: Seattle, Piper 754, introduced. 



Mr. W. F. Wight has called attention to the fact that tlie genus name Barbarea of 

 Robert Brown, 1812, is invalidated by reason of the older Barbarea of Scopoli, 1760. 



2. Campe barbarea (L.) W. F. Wight. Bitter cress. 

 Erysimum barbarea L. Sp. PI. 2: 660. 1753. 



Barbarea vulgaris R. Br. in Ait. Ilort. Kew. ed. 2. 4: 109. 1812. 



Barbarea barbarea MacMillan, Metasp. Minn. Val. 259. 1892. 



Type locality: "Habitat in Europa." 



Range: Alaska to Labrador, south to California and Virginia. 



Specimens examined: Silvorton, BoucTc 16; west Klickitat County, Sulcsdorf 2022; 

 Klickitat River, Flett 1134, 1141; Pend Oreille River, Lyail in 1861; Pullman, Piper, June 

 1893; Elmer 180; Waitsburg, Horner 605. 



Zonal distribution: Transition. 



The western form of this plant is considered a distinct species by Dr. Rydberg as Barbarea 

 americana Rydb.a To distinguish it the characters of erect pods and lyrate leaves are 

 relied upon. 



SUBULARIA. 



1. Subularia aquatica L. Sp. PI. 2: 642. 1753. 

 Type locality: "Habitat in Europac borealis inundatis lacustribus fluviis." 

 Range: British Columbia to Newfoundland, south to California and New England. 

 Specimens examined: Whatcom Lake, Sulcsdorf. 



BUBSA. 



1. Bursa bursa-pastoris (L.) Weber in Wigg. Prim. Fl. Hoist. 41. 1780. 



Shepherd's purse. 

 Thlaspi bursa-pastoris L. Sp. PL 2: 647. 1753. 

 Capsella bursa-pastoris Medic. Pflanzengat. 1 ; 85. 1792. 

 Type locality: European. 

 A common weed all over the State. 



oMem. N. Y. Bot. Gard, 1: 174. 1900. 



