626 EXPLANATION OF PLATES. 



PLATE 87. AscLEPiAs verticillata (page 123). Fig. 1. a flower somewhat magnified i 

 Jig. 2. a follicle of the natural size. 



88. AcERATES viRiDiFLORA (page 124). Broad and narrow-leaved forms ; with 



the ripe follicles ; all of the natural size. 



89. FRAXtNus Americana (incorrectly named F. concolor in the plate) (page 



125) in fruit. 



9Q. Fraxinus tubescens? (incorrectly named F. acuminata in the plate) (page 

 126). 



91. Aristolochia Serpentaria (page 130). Fig. 1. capsule, natural size : 

 Jig. 2. transverse section of the same, a little magnified : Jig. 3. capsule 

 with one of the cells laid open : Jig. 4. a seed. 



j92. Asarum Canadense (page 131). Fig. I., a flower : Jig. 2. the same cut 

 through longitudinally, both natural size : Jig. 3. a stamen : Jig. 4. the 

 united styles : Jig. 5. transverse section of t-lie capsule ; the last three 

 magnified. 



•93. Amaranthus PUMit.rs •(page 144). Fig. 1. a fertile flower, natural size : 

 Jig. 2, the same magnified : Jig. 3. capsule, showing the transverse 

 dehiscence : Jig. 4. a seed. 



94. Phytolacca decandra (page 157). Fig. 1. a raceme of the fruit : Jig. 2. 



a flower magnified i Jig. 3. stamen. 



95. Ntssa multiflora (page 161) in fruit. Fig. 1. a fascicle of staminate 



flowers, natural size : Jig. 2. a staminate flower deprived of one sepal, 

 magnified : Jig. 3. a fascicle of pistillate flowers, natural size : Jig. 4. a 

 pistillate flower, magnified : Jig. 5. longitudinal section of the ovary. 



'96. Ulmus racemosa (page 166). Fig. 1. a branch in leaf : ^^. 2. flowers of 

 the natural size : Jig. 3. fruit : Jig. 4. corky bark of a branch. 



97. Saururus cernuus (page 168), with a separate flower a little magnified. 



98. Podostemum (Lacis) cERAToPHYLfUM (page 171). Fig. I. a flower 



magnified : Jig. 2. stamens, showing their united filaments : Jig. 3. 

 capsule : fig. 4. the same magnified. 

 Myriophyllum AMBiGUUM (vol. 1. page 243). Fig. 1. a flower : fig. 2. 

 the same seen from above, and expanded : figs. 3. 4. stamens : fig. 5l. 

 capsule : fig. 6. transverse section of the same : all magnified. 



99. Euphorbia <;oroi,lata (page 175). Fig. 1. staminate flower : fig, 2. 



pistillate flower : fig. 3. fruit, with one of the carpels laid open. 



100. Carya tomentosa, var. integrifolia (page 162) in fruit. 



101. Carva glabra (page 182) in fruit. 



102. OsTRYA ViRGiNicA (page 185) in fruit. Fig. a. fertile ament. 



103. Carpinus Americana (page 185) in fruit. Fig. 1. involucral scale and 



nut : fig. 2. the nut separate : all natural size. 



104. QuERCus Phellos (page 187) in fruit. 



105. QuERCus NIGRA (page 188) in fruit. 



