156 



67. Slellaria media L. Abundant. 



68. Cerastium viscosum L. Common in cultivated ground. 



69. Saponaria Vaccaria L. Rare in waste places. 



70. Ranunculus repens L. Occasional in lawns and meadows. 



71. Lepidium perfolialum L. Beginning to appear in waste places. 



72. Capsella Bursa-pasloris (L.) Medic. Abundant everj^vhere. 



73. Raphanus sativus L. A common escape. 



74. Brassica arvensis (L.) Ktze. Common. 



75. Brassica campestris L. Common. 



76. Sisymbrium allissimum L. Becoming common. 



77. Pyrus Malus L. A frequent escape. 



78. Rosa rubiginosa L. Very common. 



79. Prunus Persica (L.) Stokes. An occasional escape. 



80. Ulex europaeus L. Rare elsewhere. 



81. Trifolium hybridum L. A frequent escape. 



82. Ttifolium pralense L. Very common. 



83. Trifolium procumbens L. Occasional in waste places. 



84. Trifolium. repens L. Abundant. 



85. Melilolus alba Desr. Common on roadsides. 



86. Melilolus officinalis (L.) Lam. Infrequent in waste places. 



87. Medicago hispida Gaertn. Common in waste places. 



88. Medicago saliva L. A common escape. 



89. Erodium cicularium (L.) L'Her. Abundant in fields. 



90. Hypericum perforatum L. One of our worst weeds. 



91. Conium maculalutn h. Occasional about towns. 



92. Foeniculum vulgare Hill. Abundant about Salem. 



93. Anagallis arvensis L. Occasional in cultivated ground. 



94. Convolvulus arvensis L. Common along railroad tracks. 



95. Marrubium vulgare L. Not uncommon in waste places. 



96. Melissa officinalis L. Abundant about towns. 



97. Solanuni nigrum L., var. villosuin L. Beginning to appear on sandbars along 



the Willamette River. 



98. Verbascum Thapsus L. Common in dry soil. 



99. Verbascum Blatlaria L. Commoner than the last. 

 100. Linaria vulgaris Hill. Infrequent. 



loi. Plantago lanceolala L. One of our commonest weeds. 



102. Plantago major L. Very common. 



103. Etigeron canadensis L. Common. 



104. Achillea Millefolium L. Very common. 



105. Anthemis atvensis L. Infrequent. 



106. Matricaria suaveolens (Pursh) Buch. Abundant in waste places. 



107. Chrysanthemum Leucanthe?numl^. va.r. pinnatifidum l^ecoq. 8a 'Lamotte. Com- 



mon in meadows. 



108. Tanacetum vulgare L. An occasional escape. 



109. Senecio sylvaticus L. Becoming common, especially near the coast. 

 no. Arctium minus ^ernh. An abundant and pernicious weed. 



111. Cirsium arvense (L.) Scop. Too common. A vile weed. 



112. Cirsiu?n lanceolatum (L.) Hill. Very common. 



113. Centaur ea melitensis L. Common in southern Oregon. 



