Experiment U — Greenhouse. 



•S^ erg 



S fe d t. I-. 

 2>c>7' <" "^ 

 tt>^ p. p. 



.12 



.12 



.12 



.12 



.12 



.12 



.27 



.62 



.96 



1.11 



1.88 



1.67 



2.30 



1.67 



2.10 



1.25 



.16 



.16 



.16 



.16 



.16 



.16 



.16 



.16 



.2b2q 



■S So r. 



TO fj . I-t 



.25 

 .25 

 .25 

 .25 

 .25 

 .30 

 .49 

 .71 

 1.13 



58 



18 



,18 



38 



1.99 



1 



.18 

 .59 

 .37 

 .25 

 .25 

 .25 

 .25 

 .25 

 .25 

 .25 



•2S2| 



M j3 "■ m X! 



H" 



ca c. 



.24 

 .24 

 .24 

 .24 

 .30 

 .44 

 .65 

 .78 

 1.10 

 75 

 40 

 13 

 40 

 40 

 66 

 ,88 

 .91 

 .45 

 .45 

 .45 

 .45 

 .45 

 .45 

 .45 



O u 



4.0 



3.5 



> l> 





A 

 .4 

 .4 

 .4 

 .4 

 .4 

 .5 

 .8 

 .8 

 .4 

 .5 

 .7 

 .9 

 .8 

 1.7 

 2.1 

 .4 

 .6 

 .6 

 .5 

 .6 

 .6 

 .6 

 .6 



> I > 





.5 



.5 

 .5 

 .5 

 .4 



.2 

 .4 

 .7 

 .8 

 .6 

 .7 

 .7 

 .9 

 .6 

 .7 

 .6 

 .1 

 .3 

 .3 

 .3 

 .3 

 .3 

 .3 

 .3 



Note: Verbascum No. 1, normal. 



Verbascum No. 2, hairs removed from upper leaf surfaces. 

 Verbascum No. 3, hairs removed from lower leaf surfaces. 



Experiment 12 — Greenhouse. 



o 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



E 



^fc 



0) a 



62 

 61 

 61 

 60 

 60 

 60 

 70 

 65 

 62 

 71 

 68 

 72 

 72 

 70 

 70 

 66 

 60 

 58 

 60 

 58 

 60 

 60 

 60 

 ^0 



o&? 





47 

 47 

 47 

 47 

 47 

 47 

 47 

 55 

 65 

 67 

 67 

 70 

 75 

 75 

 75 

 75 

 65 

 61 

 58 

 58 

 50 

 48 

 48 

 -47. 



Wo 



!5 o 2 



c ™ *-< 

 a) ■ 



W 



I O P. 



1.43 



1.43 



1.43 



1.43 



1.43 



1.43 



.72 



1.19 



1.93 



.96 



1.93 



1.42 



2.90 



1.93 



2.41 



1.10 



.77 



.77 



.76 



.58 



.58 



.58 



.58 



,58 



2« 



>%^ 



.2 --^ 



C«.2 OJ 



00 

 25 

 26 

 37 



48 

 48 

 96 

 96 

 48 

 45 

 34 

 17 



^ .-A 



i-i 5 c 



00 



00 



80 



100 



100 



100 



100 



100 



100 



20 



00 



00 



c rt E 

 .2 SAQ 



■% go'-' . 



2 " • tj 

 .is M . c 3 



.20 



.20 



.20 



.20 



.20 



.20 



.36 



1.22 



2.18 



1.58 



2.18 



1.98 



2.18 



1.98 



2.18 



1.03 



.23 



.22 



.18 



.18 



.18 



.18 



.18 



.18 



= is 

 .2E tO 



>>Z p,o. 



.15 



.15 



.15 



.15 



.15 



.21 



.70 



1.33 



1.68 



2.43 



1.68 



2.04 



1.49 



2.99 



1.49 



.66 



.39 



.28 



.27 



.23 



.23 



.23 



.23 



.23 



= is 



■SESq 

 5 !rl d t^ ii 



.22 

 .22 

 .22 

 .22 

 ^23 

 .23 

 .81 

 55 



.88 

 .82 

 .30 

 .88 

 .36 

 .09 

 .45 

 .46 

 .31 

 .22 

 .22 

 .22 

 .22 

 .22 



> l> 





.9 

 .9 

 .9 

 .9 

 .8 

 .8 

 .4 

 .7 



1.1 

 .8 



1.1 

 .7 

 .6 



1.0 

 .9 

 .9 

 .5 

 .4 

 .5 

 .8 

 .8 

 .8 

 .8 

 .8 



Note: Verbascum No. 1, normal. 



Verbascum No. 2, hairs removed from upper leaf surfaces. 

 Verbascum No. 3, hairs removed from lower leaf surfaces. 



81 



