68 



THE MONTANA EXPERIMENT STATION. 



Avena, 16, 28, 29. 



JtJrassica, 14, 16, 30, 31. 



Bromus, 14, 16, 31. 



Camelina, 16, 31. 



Capsella, 14, 16, 32. 



Cerastium, 12, 20, 32. 



Chenopodium, 11, 12, 14, 16, 32, 33. 



Chrysanthemum, 33. 



Cichorium, 34. 



Cleome, 9, 11, 12, 14, 16, 35. 



Cnicus, 11, 12, 14, 15, 16, 35, 36, 37. 



Convolvulus, 19, 37. 



Cuscuta, 38. 



Cynoglossum, 38. 



Draba, 11, 16, 38. 



Dracocephalum, 11, 38. 



Echinospermum, 9, 11, 12, 14, 39, 44. 



Ellisia, 11, 14, 39. 



Epiiobium, 12, 14, 16, 19, 39. 



Erigeron, 7, 13, 14, 16, 40. 



Erodium, 66. 



Euphorbia, 11, 12, 14, 17,40. 



Franseria, 11, 12, 14, 40. 



Gaura, 11, 12,17,40, 



Geranium, 41. 



Glycyrrhiza, 12, 16, 19, 41. 



Grindelia, 11, 12, 15, 20, 41. 



Helianthus, 11, 12, 14, 16, 17, 41, 42. 



Hordeum, 11, 12, 14, 15, 42, 43. 



Hyoscyamus, 43. 



Hyssopus, 43. 



Iva, 7, 9, 11, 12, 14, 16, 17, 19, 43, 44. 



Krinitzkia, 9, 11, 12, 44. 



Lactuca, 12, 14, 16, 17, 19, 44, 45. 



Lamium, 45. 



Leonurus, 45. 



L.epachys, 12, 15, 45. 



Lepidium, 11, 12, 14, 16, 45, 63. 



Lupinus, 12, 16, 19, 46. 



Lygodesmia, 12, 16, 19, 46,47. 



Madia, 12, 14, 46. 



Malva, 46. ■ 



Malvastrum, 9, 11, 48. 



Marrubium, 14, 48. 



Matricaria, 12, 14, 48. 



Melilotus, 48. 



Monolepis, 11, 12, 14, 16, 33, 48. 



Nasturtium, 49. 



Nepeta, 49. 



(Enothera, 11, 49. 



Onagra, 49. 



Panicum, 7, 12, 14, 49. 



Pastinaca, 49. 



Plantago, 9, 11, 12, 14, 15, 49, 50. 



Poa, 50. 



Polygonum, 14, 16, 17, 50, 51. 



Portulaca, 26, 51. 



Kumex, 12, 15, 17, 20, 51, 52, 53. 



Salsola, 7, 15, 53, 54, 55, 56. 



Saponaria. 17, 25, 56, 57. 



Senecio, 56. 



Silene, 56. 



Sisymbrium, 7, 11, 12, 15, 58, 59. 



Solanum, 11, 12, 13, 15, 16, 59, 60, 61. 



Souchus, 16, 60. 



Spergula, 60. 



Stellaria, 60. 



Suckleya, 60, 62. 



Symphytum, 62. 



Taraxacum, 15, 62, 63. 



Thlaspi, 63. 



Tragopogon, 15, 63. 



Urtica, 15, 63. 



Yerbascum, 15, 04, 



Verbena, 12, 15, 64. 



Veronica. 64. 



Vicia, 66. 



Xanthium, 12. 13, 15, 41, 64, 65. 



