THE PLANT WORLD INDEX, VOL. ILL ix 



PAGE 



Seed Distribution, Coloration of Leaf for 22 



Snake-Mouth Pogonia, Root System of the 123 



Some Local Common Names of Plants 132 



Some Nameless Plants 105 



Southern Limit of Juniperus Sahina, The 140 



Southwestern United States, Plant Names of the 137 



Spot Disease of the Violet 191 



Study of Mosses, Notes for the Beginner in the 145 



Stucture of the Wild Gourd [Cucurlita fcetidissima) Radiate 153 



Tennessee, The Hart's-Tongue in New York and 129 



The Douglas Spruce (^I*seud<Asiiga taxifolici) 65, 86 



The Hart's-Tono;ue in New York and Tennessee 129 



The Making of an Herbarium 54 



The Passing of the Wild-VA'ood 72 



The Preservation and Protection of Native Vegetation 108 



The Small Mistletoe in Pennsylvania 60 



The Southern Limit of Juniperus Sahina 140 



The Tall Green Orchis {ITahenaria hyperhorea) visited by 



Mosquitoes 6 



The Twin-Flower [Linncea horeaJw) in Pennsylvania 133 



The Twin Leaf (^Jefersonia dpliyUci) in Iowa. . .• 41 



The Velvet Doo-bane in Ohio 40 



The Violets on Long Island 91 



The Water Hyacinth in Florida 38 



Trees, When Increase in Thickness Begins in our 113 



Twin-Flower (^Linncea horeali'^') in Pennsylvania, The 133 



Twin-Leaf {■Jeffersonia diphylhi) in Iowa, The 41 



Varietal Fruit Characters of Plants, The 168 



Velvet Dogbane in Ohio, The 40 



Violet, Spot Disease of the 191 



Visit to the Home of Noviusia, A 136 



Violets on Long Island, The ■ 91 



Vitality of Wdlows 89 



Water Hyacinth in Florida, The 38 



Water-Shield [Brasenia peltata), An Observation on the. ... 153 



Weeds, American and English, Compared 171 



