SEn)D INSPECTION. 



55 



Marsh elder. 

 Mayweed. 

 Meadow fescue. 



Menzies peppergrass. 

 Mint,. Unidentified. 

 Moth mullein. 



Mouse-ear chickweed. 

 Night-flowering catchfly. 

 Orange hawkweed. 



Iva xanthifolia, (Fresen.) Nutt. 

 Anthemis Cotula, L. 

 Festuca elatior pratensis. 



Lepidium Menzesii, D. C. ? 



Verbascum blattaria, L. 



Cerastium vulgatum, L. 

 Silene noctiflora, L. 

 Hieracium aurantiaeum, L. 



Ox-eye daisy. 

 Pale persicaria. 

 Pennycress. 



Peppergrass. 



Pigweed. 



Pimpernel. 



Plantain. 

 Poppy. 



Poverty weed. 



Prickly poppy. 



Ragweed. 



Ribgrass. 



Rugel's plantain. 

 Sheep sorrel. 

 Shepherd's purse. 



Sedge. 



Slender crabgrass. 



Sow thistle. 



Stinging nettle. 

 Spurge. 

 Suckling clover. 



Tar weed. 



Tumbleweed. 

 Virginia three-seeded mercury. 



White vervain. 

 Wild buckwheat. 

 Wild carrot. 



Winged pigweed. 

 Witch grass. 

 Worm-seed mustard. 



Yarrow. 

 Yellow daisy. 

 Yellow foxtail. 



Yellow rocket. 

 Yellow trefoil. 

 Yellow wood-sorrel. 



Chrysanthemum Leucanthemum, L 

 Polygonum lapathifolium, L. 

 Thlaspi arvense, L. 



Lepidium, sp. (virginicum, L. ?) 

 Amaranthus retroflexus, L. 

 Anagallis arvensis, L. ? 



Plantago sp. 



Papaver sp. ? 



Iva axillaris, Pursh. 



Argemone hispida. Gray ? 

 Ambrosia artemesisefolia, L. 

 Plantago lanceolata, L. 



Plantago Rugelii, Dec. 



Rumex Acetosella, L. 



Bursa Bursa-pastoris, (L) Britton. 



Unidentified. 



Syntherisma filiformis (L) Nash. 



Sonchus oleraceus, L. 



Urtica dioica, L. 

 Euphorbia nutans, Lag. 

 Trifolium filiforme, L.? 



Madia sativa L. ? 

 Amaranthus grsecizans, L. 

 Acalypha virginica L. 



Verbena urticaefolia, L. 

 Polygonum Convolvulus, L 

 Daucus Carota, L. 



Cycloloma atriplicifolium (Spreng.) Coult. 

 Panicum capillare, L. 

 Erysimum cheiranthoides, L. 



Achillea Millefolium, L. 

 Rudbeckia hirta, L. 

 Chsetochloa glauca, L. ? 



Barbarea Barbarea, (L) MacM. 

 Trifolium dubium Sibth. ?? 

 Oxalis corniculata, L. 



