TABLE 2 (continued) 



CONCENTRATION OF STOMATA AND LAMINA THICKNESS IN INTERRIDGE AREAS.* 



<x 



A. aff. A. moritziana 



A. sp. nov. aff. A. 

 multistaminata 



A. peruviana 



A. pycnantha 



A. quinindensis 



A. sp. nov. aff. 

 A. rhodea 



A. rigida 



A. tetragona 



A. urophylla 



A. aff. A. vaupesiana 

 (coll. A) 



A. aff. A. vaupesiana 

 (coll. B) 



A. (Asplundia) 

 sp. nov. 



No. of stomata mm ; in the 



abaxial epidermis, adaxial 



epidermis, and both 



epidermides 



269 



144 

 167 

 166 



156 

 132 

 140 

 207 

 188 



107 



104 



1.2 



12 



8.3 

 4.0 



0.93 

 5.6 

 5.6 

 8.1 



II 



8.4 



3.4 



270 



156 

 175 

 170 



157 

 138 

 145 

 215 

 199 



116 



107 



Ratio of nos. of 

 stomata mm : - 

 abaxiahadaxial 



216 



12 

 20 

 41 



167 

 24 

 25 

 26 

 17 



13 



30 



Lamina thickness - 

 general range and 

 midpoint of range 



(mm) 



0.20-0.26; 0.23 



0.21-0.27; 0.24 

 0.21-0.27; 0.24 

 0.30 0.37; 0.33 

 0.19 0.26; 0.23 



0.20-0.23; 0.22 

 0.28-0.37; 0.32 

 0.19-0.24; 0.22 

 0.24-0.32; 0.28 

 0.23-0.29; 0.26** 



0.30-0.34; 0.32 



0.32-0.41; 0.36 



Lamina thickness - 

 in nos. of ce 

 layers 



11-14 



11-13 

 11-12 

 16-20 

 11-13 



11-12 



14-15 



12-15 



15-18** 



12-15** 



13-15 



12-14 



