IQI2] 



ST A RR— ANATOMY OF DUNE PLANTS 



289 



Leaf 



T... 



UE.. 



M 



152 M (136-168) 



8 



5 per cent 



11 



Mes. .133 =88 

 LE.. 



OW.. 



Cu.. 



7 



i-5 



thin 



SALIX 



NGIFOLIA 



X 



188 /t (162-212) 

 12 = 6 per cent 



165 =88 

 11 = 6 



3 



N 



F... 

 R.. 



s... 



Stem 



M 



X 



77 



66.5 



D... 36 (1(53) 43 m(55S) 

 W... 



24 

 2.8 



5-3 



24 



3 



6-7 



4 

 33 

 33 



32 

 48 



Equilateral; two rows of palisade on X. — Agreeing with the majority in the 



each side beneath a hypodermis, differ- 

 entiated as a special storage region; 



stomata on both surfaces, slightly sunken. 

 X. 



greater area of vessels and greater num- 

 ber and size of sclerenchyma masses in 

 the cortex; exceptional in the larger 



Upper palisade cells more elongated; lumen of the fibers and fewer growth 



sclerenchyma and collenchyma more 

 abundant in midrib. 



rings. 



Lianas 



CELASTRUS SCANDENS 





Leaf 



M 



T 101 m (92-123) 



UE ... 14 = ! 4 pej- cen t 



P 



25 



25 



X 



164/1(138-174) 

 = 14 per cent 



= 26 



Sp 49 =48 



LE. 



OW 

 Cu 



• - 



J 3 

 thin 



13 



22 



43 

 81 



18 

 4 



49 

 11 



i-7 



D.. 

 W.. 

 F... 



R.. 

 C 



-*• Coarse, often merely acute; 

 prominent on the under side. M. 



Stem 



M 



N... 36 



54 

 2.8 



49 



8.4 



i-3 



80 



M(78) 



X 



37 



45 • 5 M (69) 

 3-6 



4-5 

 7-5 



i-3 



76 



veins 



Chiefly an exception; M greater in 

 area of vessels, heavier fibers and cork. 



Smooth and fine, long acuminate; veins X follows the majority in having heavier 

 n ot prominent on under side; other sclerenchyma around the pith, thicker 



variations as usual. 



walls of the 

 in the fibers. 



