4-O EDITH SCHWARTZ CLEMENTS 



35 /i, lower 25/1; cuticle 2 p.; chlorenchym (290/11) 2 regular close 

 rows prolate palisade cells 60 /i; close irregular sponge cells. 



Carduus scopulorum: leaf 300 p. epidermis, upper 30/1, lower 

 20 /x ; palisade cells 50 /A. 



CASTILLEIA OCCIDENTALIS : spongophyll 200 /i ; epidermis 25 /A ; 

 cuticle 2/1; chlorenchym (150/4) close subglobose cells. 



TOUTEREA MULTIFLORA : diplophyll 500 /x ; epidermis 25 /x ; cuticle 

 2 /A ; chlorenchym (450 /i) 2 compact rows overlapping prolate 

 palisade cells next to either epidermis 100 \L, central close oblong 

 cells. (Plate IV, fig. 9.) 



Mentzelia nuda : leaf 400 /i ; palisade cells 75 /i. 



Physaria acuti folia: central compact subglobose cells. 



Tetraneuris lanata: cuticle 5 /i ; palisade cells 75 /*. 



Tetraneuris glabriuscula: epidermis 60 /*, ; cuticle 10 p.. 



Aragalus multiceps: leaf 425 /i; epidermis 35 p.; cuticle, 15 /i. 



Mentzelia albicaulis (sub-type): leaf 400/1,; 1-2 rows palisade 

 cells next to either epidermis, the second row oblobate and merging 

 into the central loose star-shaped cells. 



SOLIDAGO PALLIDA i diplophyll 275 fi ', epidermis 25 it ; cuticle 5 /* ; 

 chlorenchym (225 /i) 2-4 close rows prolate palisade cells 30 /A, next 

 to either epidermis ; central subglobose to oblate water-storage cells 

 35% of chlorenchym. (Plate V, fig. i.) 



Artemisia dracunculoides: cuticle 7 /*. 



Machaeranthera cichoracea: leaf 325/1,; epidermis 30/4. 



Pseudocymopterus montanus: cuticle thin; I row prolate cells 

 next to lower epidermis. 



Erigeron pinnatisectus (sub-type): diplophyll 375 /* ; epidermis 

 25 p; cuticle 7/4; chlorenchym (325 /x) 2-4 compact irregular rows 

 prolate palisade cells 50-75/1, next to either epidermis; central 

 water-storage cells 25% of chlorenchym. 



Artemisia scouleriana. 



Sideranthus spinulosum: leaf 325/1; epidermis 30/1; cuticle IO/A. 



Erigeron multifidus: leaf 500 /*,. 



Thelesperma gracile: leaf 500/1; epidermis 40/1; water-storage 

 tissue 35% of chlorenchym. 



Laciniaria punctata: leaf 500/1; epidermis 40/1. 



Gilia aggregata: leaf 500 /i ; epidermis 50 p. ; cuticle 4 /i. 



Hymenopappus luteus (sub-type): leaf 500/1; epidermis 25/1; 

 cuticle 7/1; edges of leaf rolled towards each other, inner surface 

 showing great reduction of palisade. 



