21- 22 Achillea - common - 23 Polygonum. Very common in shrubs, Rooting by long, thick stems 24, 25, Mentha - strong odour of Penny Royal 26. Gaifolium - meadows 27. Common on the Sierra. Rather uncommon after entering Nevada. Found Put one specimen about the camp. Gilia pulchella 28. Arnica Chamisson 29 Epilobium 30. Grass near the river - clammy to the touch - or rather viscid, sandy soil. 31. Common in roads and sandy places - in fields 32, 33. Vicia - overhanging the river - entwined about other plants 34. Chenopodium. Sphaerocarpa - Very common in the meadows 35 Polygonum- 36 Potentilla, Common in sandy places - wide spreading like the P. oleracea at the East. 37 Lobelia (?) Common also in Sacramento 38 Geum - in meadows 39. Erigeron - In hay fields 40. In Flax - Hughs - Alisma 41- 42 Grass 43 In sand, 44 Near a road - Bordeiopfa olivacea Hughs 45 Helianthus umbellatus | 46 Geum (?) 47 Myosotis