LIST OF CONTRIBUTORS. 123 



Meehan, Thomas. Continued. 



On the flowers of Asparagus. P 72, 138 



On the growth of an orange within another. P 72, 139 



On Agaricus campestris, etc. P 72, 214 



On the agency of insects in obstructing evolution. P 72, 235 



On difference in the growth of trees, etc. P 72, 239 



On a cylindrical mass of agate. P 72, 2(56 



On the fertilization of flowers. P 73, 16 



On the morphology of the apple. P 73, 99 



On the nature of vegetable hairs, and on the flowers of 



Viola and Impatiens. P 73, 100 



On change of structure in orchids. P 73, 205 



Double flowers in Epigaea repens. P 73, 276 



Influence of cohesion on change of characters in Orehideae. 



P 73. 276 



Movements in stigmatic lobes. P 73, 277 



Lilium washingtonianum. P 73, 279 



— — Fertilization of Pedicularis canadensis. P 73, 287 



Laws of sex in Juglans nigra. P 73, 290 



Sex in Rhus cotinus. P 73, 300 



Exceptional conditions in the vegetation of forest seed. 



P 73, 350 



— ■ Malformed red clover. P 73, 354 



— Obituary notice of Elias Durand. P 73, 355 



— Law of seed germination in swamp plants. P 73, 363, 369 



— Fertilization of Yucca. P 73, 414 



— Note on a fungoid root parasite. P 73, 414 



— On the expansion of the coma in Aselepiadacese. P 73, 415 



— Dimorphous flowers in Piassiflora. P 74, 9 



— Elevation of the trunks of trees. P 74, 22 



— Direct growth force. P 74, 80 



— The veins of beech and hornbean leaves. P 74, 80 



— Contraction of vegetable tissues under frost. P '83, 74 



— Growth of the Cnicus arvensis Hoff. P 74, 84 



— Habits of the orchard oriole. P 74, 84 



— Poisonous character of the flowers of Wistaria sinensis. 

 P 74. 84 



— Change of habit in Smilacina bifolia. P 74, 115 



— Dimorphism in the leaves of Acer pennsylvanicum. P 

 74, 138 



— Change of habit through fungoid agency. P 74, 146 



