108 Dr. H. T. Brown and Mr. F. Escombe. [Jan. 9, 









Table X— 
|g 
Meteorological data. pee 
3S 
. a 2 
o os 8 a 
S| nes = 2 2 
4 remeeeee | 
No. of q = CataeranoS | - Fy 
Species of plant and general a Bc) So |. b> | pele 2 
AN conditions of iment = Be | 2 Gene SH 8s 
Sa date. ions of experiment. vi A : Bra be I | z Bl gs 
4 = S e 
° Bl & (2° 8| oa) Poe 
: a 2 |S88n/aan lus | os 
Ors 3 2 | £7 6, | eon oman 
is = a | BBLS S | pee 
BS | 2 | S je38| ee | See 
58 i +2 S 32 x 3 5 2 os 
ie bs ® Hp) &m | ag eS 
o as os] o oO! 4 
px ey eae A | eae 
(1) (2) (3) (4) ) ©) | ©) | Oo Oe ie. 
XXI. Helianthus annuus— | z ete ~ ! 
July 24, Leaf A received full solar (A) 13/ 17°4 | 16°2 , 12°89 | 87 | 20°9 |+0°25 
( 
1901 radiation |(B) 18| 17°4 | 16:2 | 12°89 | 87 | 20°9 |+0:09 
Leaf B received five-eighths 
full solar radiation 

XXII. Senecio grandifolius— 
July 21, Leaf A full solar radiation...... (A) 52] 22°5 | 17-2 | 11°52 | 79 | 15°5 |4+0°96 
1901 Leaf B one-half full solar) (B) 52} 22°5 | 17-2 | 11°52 79 15°5 |—0°41 
radiation 

XXIII. Senecio grandifolius— 
June 24, Leaf A full solar radiation...... (A) 66/ 18°3 | 11:4] 6°89 | 44 | 18°9 |+1-02 
1901 Leaf B one-half full solar (B) 66/ 18°3 | 11°4| 6°89 | 44 | 18°9 |—0°02 
radiation 



OG INE Senecio grandifolius— 
June 25, Leaf A full solar radiation...... (A) 46] 19°4 | 18:2 | 8°10 | 48 | 12°8 |+0°40 
1901 Leaf B one-half full solar) (B) 46; 19°4|13°2|) 8:10 | 48 | 12°8 |—0:28 
radiation | | 




N.B.—In the case of experiments marked thus * the 

