376 



OHIO EXPERIMENT STATION: BULLETIN 175. 



in clover— (Continued). 



in alfalfa — (Continued) 



Pea Family. 



Alsike Clover, Trifolium hybridum L. 

 White Clover, Trifolium repens L. 

 Coronilla, Cor on ilia scorpioides L. 

 Bird's-foot Trefoil, Lotus corniculatus L. 



Woodsorrel Family. 



Yellow Woodsorrel, Oxalis stricta L. 



Spurge Family. 



Spurge, Euphorbia nutans Lag-. 

 Three-seeded Mercury, Acalypha Virginica L. 



Mallow Family. 



Low Mallow, Malva rotund if olia L. 



Carrot Family. 



Wild Carrot, Daucus Carota L. 

 Pimpernel, Pimpinclla Saxifraga L. 



Dodder Family. 



Clover Dodder, Cuscuta Epithymum Murr. 

 Field Dodder, " arvensis Beyr. 



Vervain Family. 



White Vervain, Verbena urticifolia L. 



Mint Family. 



Pennyroyal, Hcdeoma pulegioides L. 

 Self-heal, Prunella vulgaris L. 

 Catnip, Nepeta Cataria L. 



Potato Family. 



Climbing- Bittersweet, Solatium Dulcamara L. 

 Black Nightshade, Solatium nigrum L. 

 Horse Nettle, Solatium Carolinense L. 



Figwort Family. 



Moth-mullen, Verbascum Blattaria L. 



Plantain Family. 



Bracted Plantain, Plantago aristata Michx. 

 Broad, " " major L. 



Narrow " " lanceolata L. 



Rugel's Broad Plantain, Plantago Rugelii 

 Decaisne. 



Madder Family. 



Blue Field-madder, Sherardia arvensis L. 



Chicory Family. 



Chicory, Cichorium Intybus L. 



Dandelion, Taraxacum Taraxacum (L.) Karst. 



Prickly Lettuce, Lactuca virosa L. 



Worm Salad, Pier is echioides L. 



Ragweed Family. 



Ragweed, Ambrosia artemisicefolia L. 

 Great Ragweed, Ambrosia triftda L. 

 Marsh Elder, Iva axillaris Pursh. 



Thistle Family. 



Canada Thistle, Carduus arvensis L. 

 Common Thistle, " lanceolatus L. 

 Fireweed, Erechthites hieracifolia L. 

 Mayweed, Anthemis Cotula L. 



Oxi-ve Daisy, Chrysanthemum Leucanthemum L. 

 Scentless Camomile, Matricaria inodora L. 

 Star Thistle, Centaur ea solstitialis L. 

 Yarrow, Milfoil, Achillea millefolium L. 



Mallow Family. 



False Mallow, Malvastrum coccineum (Pursh. 



Gray. 

 Low Mallow, Malva rotund/folia L. 

 Musk Mallow, Malva moschata L. 

 Sida, Sida spinosa L. 



Carrot Family. 



Caraway, Carum Carui L. 

 Wild Carrot, Daucus Carota L. 

 Pimpernel, Pimpinella Saxifraga L. 



Dodder Family. 



Clover Dodder, Cuscuta Epithymum Murr. 

 Field Dodder, Cuscuta arvensis Beyr. 



Borage Family. 



Amsinckia, Amsinckia intermedia F. & M. 

 Amsinckia, Amsinckia tessellata Gray. 



Vervain Family. 



White Vervain, Verbena urticifolia L. 



Mint Family. 



Sage, Salvia lyrata L . 

 Self-heal, Prunella vulgaris L. 



Potato Family. 



Climbing Bittersweet, Solatium Dulcamara L. 



Plantain Family. 



Bracted Plantain, Plantago aristata Michx. 

 Broad Plantain, Plantago major L. 

 Narrow Plantain, Plantago lanceolata L. 

 Rugel's Broad Plantain, Plantago Rugelii Dec. 



Chicory Family. 



Chicory, Cichorium Intybus T.. 



Worm Salad, Pier is echioides L. 



Fall Dandelion, Leonlodon autumnale L. 



Ragweed Family. 



Ragweed, Ambrosia after a L. 



Ragweed, Ambrosia artemisicefolia L. 



Marsh Elder, Iva ciliata Willd. 



Marsh Elder, Iva axillaris Pursh. 



Marsh Elder, Iva xanthiifolia (Fresen) Nutt. 



Thistle Family. 



Brown Knapweed, Centaur eajacea L. 



Canada Thistle, Carduus arvensis L. 



Common Thistle, Carduus lanceo'atus L. 



Gum-plant, Grindelia squarrosa (Pursh) Dunal. 



Mayweed, Anthemis Cotula L. 



Yellow Camomile, Anthemis tinctoria L. 



Oxeye Daisy, Chrysanthemum Leucanthemum L. 



Scentless Camomile, Matricaria inodora L. 



Star Thistle, Ccntaurea solstitialis L. 



Sunflower, Iltlianthus ciliaris L. 



