438 Index. 



PAGE 



Ice Storms, Harshberger on 345 



Internal Phloem in Gelsemium 41 



Macfarlane on Current Problems in Plant Cytology 183 



Macfarlane on Drosera Hybrids 87 



Macfarlane on Sarracenia Catesbai 426 



Macfarlane on the Beach Plum 216 



Macfarlane on University Botanical Publications 435 



Maize and Teosinte, Hybrids of 231 



McKenney on Embryo-sacs 80 



Nelumbo, Phyllody in 350 



Observations on Aphyllon uniAorum iii 



Observations on Conopholis Americana 3 



Observations on Drosera Hybrids 87 



Observations on Epiphegus Virginiana 352 



Observations on Growth and Cell Division in Vicia Faba 150 



Observations on Some Embryo-sacs 80 



Phillips on Cytology and Movements of Cyanophyceae 237 



Phloem in Gelsemium 41 



Phyllody in Nelumbo 350 



Plastid, Structure and Relation of the 336 



Polygala, Structure of Flowers of 122 



Recent Observations on Amphicarpaa 20 



Relation of Ice Storms to Trees 345 



Sarracenia Catesbcei. History, Structure and Distribution of 426 



Schively on Amphicarpaa Monoica 20 



Schively and Cooke on Epiphegus 352 



Senecio prceco.v, Water Storage and Conduction in 31 



Shaw on Flowers of Polygala 122 



Simons on Rate of Circumnutation 66 



Smith on Aphyllon UniAorum Ill 



Statement Regarding University Botanical Publications 435 



Statistical Information on Fruits and Seeds 100 



Structure and Relation of the Plastid 336 



Structure of Cork Tissues in Rosaceous Roots 54 



Structure of Internal Phloem in Gelsemium 41 



Studies on Rate of Circumnutation 66 



Sweet Potato Fasciation 205 



Thompson on Internal Phloem in Gelsemium 41 



Vicia Faba, Gardner on Growth and Cell Division in 150 



Water Storage and Conduction in Senecio pracox 31 



Watson on Structure and Relation of the Plastid 336 



Wilson, Lucy L., on Conopholis Americana 3 



