66 



EDITH SCHWARTZ CLEMENTS 



cuticle 2 /4j chlorenchym (300/4) 2 compact rows prolate palisade 

 cells 75 /4, and a partial third row 50 p, definite or lacking entirely 

 and usually of oblobate cells ; close irregular sponge cells. 



THICKET: light 0.13; available water 10-13%; humidity 40- 

 70%; temperature 48-72 : diphotophyll 175/4; epidermis 20/1; 

 cuticle thin; chlorenchym (135/0 i loose row prolate palisade cells 

 60 /A, and i looser row of oblobate cells 40/1; loose oblate sponge 

 cells. 



Half gravel 

 Thicket ... 



C. 300 M 

 C. 135 M 



P. 2$ rows, 

 P. i$ rows, 



200ft 

 100 M 



S. loo M 



S. 35 M 



i65M i row, IOOM (50%) 6s/* (65%) 



Light 1/77; water -(-5.5%; humidity +(5-10%); temperature 



Drymocallis fissa 



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

 temperature 55-76 : diphotophyll 185/4; epidermis, upper 20/4, 

 lower 15/4; cuticle 3/4; chlorenchym (150/4) 2 compact rows pro- 

 late palisade cells 40 /4, and a third looser row 25 /4 ; loose more or 

 less prolate sponge cells. 



SUNNY BROOK BANK: light i ; available water 19% ; humidity 50- 

 70%; temperature 5O-75 : diphotophyll 175/4; chlorenchym 

 ( 140 ti) 2 loose rows prolate palisade cells 35 /*, a third lacunose or 

 lacking row 15/4; lacunose subglobose sponge cells. 



Gravel 



Brook bank 



C. 150 n 

 C. 140 ft 



P. 3 rows, 105 ft 



P. 2j rows, 85 ft 



i row, 20 ft (19%) 



S. 45 M 

 S. 55/* 



(22%) 



I0ft i rOW, 20M (19/0) + 10 ft (22/ ) 



Light i; water +15%; humidity +(5-20%); temperature 



SPRUCE : light 0.03 ; available water the same ; humidity 40-70% ; 

 temperature 48-72 : diphotophyll 105 /*; cuticle thin; chlorenchym 

 (70/4) 2 close rows prolate palisade cells 20/4; loose triangular 

 sponge cells. 



C. 150 A* 



C. 70 A 



P. 3 rows, 

 P. 2 rows, 



105 A* 

 40 M 



S. 45 M 

 S. 30 it 



Gravel . 

 Spruce . 



Soft _! row, -65M (62%) ISM (33%) 



Light 1/33; water the same; humidity +(5-10%) ; temperature 



