132 MICHIGAN ACADEMY OF SCIENCE. 



22. Linaria Canadensis, Dumont. Tops of dunes. 



23. Corispermum hyssopifolium, L. Aug.-Sept. 



24. Polygonella articulata, Meisn. Sept. 



25. Euphorbia polygonifolia. L. All sandy wastes. 



26. Cyperus Schweinitzii, Torr. Sandy levels. 



27. Carex umbellata, Schkuhr. Tops of dunes. 



28. Cenchrus tribuloides, L. A weed in all sands. 



29. Andropogon scoparius multiramea, Hack. 



30. Calamagrostis longifolia, Hook. 



31. Ammophila arundinacea. Host. Tops of dunes. 



32. Hordeum jubatum, L. All sandy places. 



33. Selaginella rupestris, Spring. Tops of dunes. 



C. — Sandy banks of Lake Michigan. 



34. Ceanothus ovatus, Desf. Rare. 



35. Vitis riparia, Michx. Common in dry soils. 



36. Ampelopsis quinquefolia, Michx. All soils. 



37. Rhus Toxicodendron, L. All soils. 



38. Lathyrus maritimus. Big. Also on the beach. 



39. Prunus pumila, L. Very rare. 



40. Rubus strigosus, Michx. Also low grounds. 



41. Cornus circinata, L'Her. 



42. C. sericea. L. Also very frequent in swamps. 



43. C. asperifolia, Michx. Also on dunes. 



44. C. Baileyi, C. & E. Also on dunes. 



45. C. stolon if era, Michx. Also on dunes. 



46. Symphoricirpos racemosus, Michx. Foot of bank. 



47. S. racemosus pauciflorus, Robbins. 



48. Lonicera glauca. Hill. Also on dunes, etc. 



49. Solidago humilis, Pursh. Also clay banks. 



50. S. humilis Gillmani, Gray. Also clay banks. 



51. Shepherdia Cauadensis, Nutt. Also clay banks. 



D. — Swarded and wooded dunes. 



52. Aauilegia C'^nadensis. L. Also sandy woods. 



53. Helianthemum Canadense, Michx. Also pine barrens. 



54. Geranium Carolinianum, L. One plant on dunes.' 



55. Celastrus scandens. T.. Also on banks. 



56. Polygala paucifolia, Wilkl. Also pine woods. 



57. Prunus Pennsylvanica, I,, f. Also timber lands. 



58. P. Virginiana, I... Common in all thickets. 



59. Amelanchier Canadensis, T. & G. 



60. Hamamelis Virginiana. I^. Also al! soils. 



61. Aralia racemosa, L. 



62. Viburnum acerifolium, L. Also oak woods. 



63. V. pubescens, Pursh. Also oak thickets. 



64. I innsa bor^^lis, L. Ravines amons: dunes, etc. 



65. Diervilla trifida, Moench. All sandy soils. 



66. Solidage nemoralis. Ait. Also pine barrens. 



67. Hieracium Canadense. Michx. 



68. H. scabrum, Michx. 



69. Campanula rotundifolia. L. All dry places. 



70. Gaylussacia resinosa, T. & G. All barrens. 



71. Gerardia pedicularia, L. Also sandy woods. 



72. Verbena bracteosa. Michx. Sands nenr Manistee R. 



73. Calamintha Clinopodium, Benth. All barrens. 



74. Jliniperus communis, L. Tops of dunes. 



75. Deschampsia flexuosa, Trin. Also barrens. 



76. Kceleria cristata, Pers. Also dry barrens. 



77. Festuca tenella. Willd. 



78. F. ovina, Ij. Also dry woods. 



79. F. ovina rubra. Gray. Also dry woods. 



