36 EDITH SCHWARTZ CLEMENTS 



Elephantella groenlandica: leaf 300 p.. 



Alpine and subalpine meadows: light i; available water 12- 

 17%; humidity 30-65%; temperature 4O-75. 



VERONICA WORMSJOLDII: diphotophyll 210/1; epidermis 15/1; 

 cuticle 2 /i; chlorenchym (180/1) 2-3 loose rows prolate palisade 

 cells 40 p.', loose irregular and oblong sponge cells. (Plate III, 

 fig. 6.) 



Spergula sp. : leaf 300 p. ; epidermis 20 /t ; palisade cells 50 p.. 



Cerastium strictum: leaf 250/1; epidermis 25/1; palisade cells 

 50 /i. 



Primula angustifolia: leaf 250/4; epidermis 25/1; palisade 

 cells 50 /i. 



Pedicularis parryi: leaf 250 p. ; epidermis, upper 30 p., lower 20 /i 

 with papillae. 



Alsine baicalensis: epidermis, upper 25 /*, lower 20 p. ; subglobose 

 sponge cells. 



Halerpestes cymbalaria: leaf 250/1; epidermis 25/1; palisade 

 cells 50 /x. 



Pedicularis canadensis: epidermis, upper 25 p. ; lower 20 p. with 

 papillae. 



Alsine longipes: leaf 175/1; epidermis, upper 25/1, lower 20/1; 

 1-2 rows of palisade cells, the second more indefinite. 



CAMPANULA UNIFLORA: diphotophyll 225/1; epidermis, upper 

 50/1, lower 25/1; chlorenchym (150/1) I compact row prolate 

 palisade cells 50/1; close subglobose sponge cells. 



AGOSERIS AURANTIACA : diplophyll 300 p. ; epidermis 25 p. ; cuticle 

 3/1; chlorenchym (250/1) I lacunose row prolate palisade cells 50- 

 75 p, next to either epidermis ; central loose irregular sponge cells. 

 (Plate III, fig. 7.) 



Agoseris glauca: leaf 350/1; epidermis 35/1. 



Senecio chloranthus : leaf 350 p. ; cuticle 5 /i ; epidermis 35/1. 



Pericome caudata: leaf 250/1; epidermis 20/1; cuticle 2 p.. 



Erigeron minor (sub-type available water 9-14%) : leaf 250/1; 

 epidermis 25/1; cuticle 5/1; chlorenchym (200/1) 2 loose irregular 

 rows prolate palisade cells 30-40 p. next to either epidermis ; central 

 subglobose cells. 



Erigeron subtrinervis: tissues closer. 



Erigeron conspicuus. 



DRABA STREPTOCARPA : diphotophyll 400 /i ; epidermis 25 /i ; cuticle 



