526 EXPLANATION OF PLATES. 



PLATE 87. Asclepias verticillata (page 1 23). Fig. 1 . a flower somewhat magnified : 

 Jig. 2. a follicle of the natural size. 



88. Acer ates viridiflora (page 124). Broad and narrow-leaved forms; with 



the ripe follicles ; all of the natural size. 



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



125) in fruit. 



90. Fraxinus pubescens ? (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 ihe cells laid open : fig. 4. a seed. 



.92. Asarum Canadense (page 131). Fig. 1. a flower : fig. 2. the same cut 

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

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

 magnified. 



93. Amaranthus pumii.us (page 144). Fig. 1. a fertile flower, natural size : 



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

 dehiscence : fig. 4. a seed. 



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



a flower magnified : fig. 3. stamen. 



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



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

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

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



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



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



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



98. Podostemum (Lacis) ceratophyllum (page 171). Fig. 1. a flower 



magnified : fig. 2. stamens, showing their united filaments : fig. 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. 5. 

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



99. Euphorbia corollata (page 175). Fig. 1. staminate flower : fig. 2. 



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



100. Carva tomentosa, var. integrijolia (page 182) in fruit. 

 5 01. Carva glabra (page 182) in fruit. 



102. Ostrya Virginica (page 1S5) in fruit. Fig. a. fertile ament. 



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



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



104. Quercus Phellos (page 187) in fruit. 



105. Quercus nigra (page 188) in fruit. 



