70 EDITH SCHWARTZ CLEMENTS 



Scutellaria brittonii 



GRAVEL: light i; available water 2.5-5.5%; humidity 30-65%; 

 temperature 55-76 : diphotophyll 250/4; epidermis, upper 25/4, 

 lower 20 p.; cuticle 5/4; chlorenchym (205/0 2-4 close irregular 

 rows prolate palisade cells 25-50/4; close subglobose sponge cells. 

 (Plate VIII, fig. 40.) 



THICKET: light 0.012; available water 12-15%; humidity 40- 

 70%; temperature 48-72 : diphotophyll 135 /*; cuticle 2/4, lower 

 surface undulating ; chlorenchym (90 ti) 2 loose irregular rows pro- 

 late palisade cells 30/1,; loose subglobose to oblate sponge cells. 

 (Plate VIII, fig. 4 &.) 



Gravel . . G 205 M P. 2-4 rows, 105 M S. 100 M 



Thicket . C. 90 M P. 2 rows, 60 M S. 30 P 



HSM i-2 rows, 45/i (43%) 70M (70%) 



Light 1/80; water -f- 10% ; humidity -(-(5-10%); temperature 



(4-7). 



Therophon jamesii 



ALPINE GRAVEL: light i; available water 2.5-5.5%; humidity 

 30-50% ; temperature 4O-65 : diphotophyll 240/4; epidermis 20 /* ; 

 cuticle 2/4; chlorenchym (200/1) 2-3 close rows prolate palisade 

 cells 40/4; close subglobose sponge cells. 



ROCK-CLEFT : light 0.05 ; available water 8% ; humidity 40-60% ; 

 temperature 3O-55 : diphotophyll 235/4; epidermis, upper 40/4, 

 lower 15/4; cuticle thin; chlorenchym (175/4) i loose row funnel 

 palisade cells 50/4, and i row subglobose cells 30/4; loose oblate 

 sponge cells. 



Gravel ... G 200 / P. 2-3 rows, 115^ 8.85/4 



Rock-cleft G 175 M P. 2 rows, SOM S. 95 M 



25 M i row, 35 M (30%) +IOM (12%) 



Light 1/20 ; water +4% ; humidity + 10% ; temperature 10. 



Dasyphora fruticosa 



ALPINE GRAVEL: light i; available water 2.5-5.5%; humidity 

 30-50% ; temperature 4O-65 : diphotophyll 160/4; epidermis 25 /4j 

 cuticle, upper 3/4, lower 2/4; chlorenchym (110/4) 3 compact rows 

 prolate palisade cells 30/4; close globose sponge cells. 



BOG: light i ; available water 58% ; humidity 50-70% ; tempera- 



