94 



A. H. Graves. 



TABLE 



of 



compaeati\t: le:n^&th or sheath 



IK THE VAP.IOES STAGES OE LEAE DEVELOPMENT. 



Description of specimen 



V. 



1 ? 



Length of 

 entire leaf 



Length 

 of sheath 



Approximate 



percent, of 



sheath to leaf 



length 



Dissected from living plant 



1 



.14 mm. 



.0525 mm. 



37.5 o/o 



,. 



o 



.341 .. 



.0875 .. 



25 6 .. 



Erom prepared slide 



o 



o 



.586 ,. 



.0875 ,. 



14.9 „ 



,. 



4 



.735 .. 



.11 



14.9 .. 





5 



.8137 .. 



.1487 .. 



18.2 .. 





6 



.8137 „ 



.1225 ,. 



15. .. 



•■ •• 55 



7 



.8575 .. 



.1575 ,, 



18.3 .. 



,. 



8 



1.137 ,. 



.096 .. 



8.4 .. 



Living specimen 

 From prepared slide 



9 



10 

 11 



1.382 .. 



1.41 



1.47 



.096 



.122 „ 

 .19 '.. 



6.9 .. 



8.6 ,, 



12.9 .. 





12 



1.54 



.11 ,: 



7.1 .. 





13 



1.80 



.17 „ 



9.4 „ 



Living specimen 



14 



2.275 ,. 



.262 „ 



11.5 „ 



Erom prepared slide 



15 



2.362 .. 



.227 



9.6 .. 





16 



2.458 ,. 



.166 



6.7 .. 





17 



3.745 ,. 



.105 



2.8 ,. 



Living specimen 



18 



11.14 



.315 



2.8 .. 





19 



11.81 



.525 



4.4 , 





20 



22. 



1. 



4.5 „ 



,. ., 



21 



31. 



1. 



3.2 ,. 





22 



38.6 



3.6 



9.3 .. 



.. ,, 



28 



61.9 



9. 



14.4 .. 



55 55 



24 



66.6 



4.6 



6.9 .. 



55 55 



25 



70.4 



1.4 



1.9 ,. 



,, ,. 



26 



70.9 



2.9 



4- 5, 



Living matured specimen 



27 



102. 



14: 



18.7 „ 



55 5- 



28 



109. 



15. 



18.7 „ 



55 55 5- 



29 



116. 



18. 



15.5 „ 



55 55 55 



30 



116. 



28. 



19.8 .. 



55 55 55 



31 



118. 



20. 



16.9 ,. 



■>■) 55 55 

 55 55 55 

 55 55 55 

 55 55 55 

 55 55 55 



32 

 33 

 34 

 35 

 36 



125. 

 130. 

 130. 

 133. 

 134. 



25. 

 25. 

 25. 

 25. 



24. 



20. „ 

 19.2 „ 

 19.2 „ 



18.7 „ 

 17.9 .. 



55 55 55 

 55 55 55 



37 

 38 



144. 

 163. 



22. 

 27. 



15 2 „ 

 16.5 „ 



