via THE PLANT WORLD INDEX, VOL. II. 



PAGE 



Rubus argustus, var. Randii Bailey on Knight's Island, Lake 



Champlain 122 



Russian Thistle, Spread of 70 



Salvinia natans 69 



Saprophytism 23 



Science of Plant Ecology 158 



Seeds Produced by Russian Thistle 7 



Scrophularia aporella on Knight's Island, Vt 122 



Scutellaria parvula 186 



Serenoa arborescens 139 



Skeletonizing of Leaves 87 



Skunk Cabbage, Peculiar Freak of 154, 190 



Smothering of Evergreens by Usnea 169 



Solanum Carolinense, Poisonous Properties of 175 



Some Floral Monstrosities 64 



Some Local Common Names 14, 198 



Some Rare Vermont Ferns 119 



Southern Bluets (Houstonia serpyllifolia) in Southwestern 



Pennsylvania 113 



Spring in the Shinnecock Hills 53 



Stagger Bush in Bloom on October ist 71 



Studies Among the Common Hepaticae, IV 78 



Study of Algae in High Schools 59 



Subterranean Growths 151 



Sweet Woodruff 170 



Thirty Poisonous Plants of the United States 103 



Torch Tree, The 12 



Tragia macrocarpa, Poisonous Properties of 175 



Trailing Arbutus in Bloom on L. I. in June 20 



Trip to Mt. Mansfield in June 105 



Tuna and Its Uses 98 



Typha latifolia, Growth of After Being Cut 69 



Ulmus serotina 139 



Union of Societies 171 



Violets, Pollard on 69 



Washington Elm, the 125 



Water Hyacinth 88 



Water Hyacinth in Pennsylvania 122 



Water Lilies of Egypt 25 



Water Lilies, Opening of Flowers of 19 



What are the Habits of Scutellaria parvula of Michaux ? 128 



Wild Columbine, the Habitat of i93 



Wisconsin Field Notes. 37 



Zanthoxylum Americanum, Volatile Oil of 155 



