652 The Philippine Journal of Science 1922 
meters. The tops of the shaded plants averaged 6 centimeters 
longer than those of the unshaded. There was no important 
difference in the number of leaves. The leaves of those in the 
shaded chamber were longer, broader, thinner, and of better 
quality. 
TABLE 21.—Percentages of ash. 
lain Hr 
Shaded. Unshaded. | 
Plant No. 
In roots. |In stems. In leaves.| In roots. |In iat tk leaves. 
Pett. Pct, PF, tt. Po aly Pet. Fe Gt 
SEWENY Sateen Np eC Uae Or eer ae 9.81 7.59 9.20} 11.00 7.62| 6.99 
"REN TERE eSeminars 8.04 8.20| 10.54] 10.79 7.89| 17.52 
ONE Rg ne pereee 8.10 9.35| 10.40} 11.04] 9.40} 7.46 
Setiace vette i cay senthkew nee 8.18 8.04! 10.05] 10.87 7.55 | 7.54 
| Aaa Sh Paneer eae Sire gec ra eee 8.07 9.47 10.58 8, 54 10.00 8.389 
Sake SA an NER Ri oe pea 8.59| 10.19| 11.84 8.75 9.27| 7.82 
, AREY DES mee veneer 7.93|  10.80| 11.98 6.94} 11.01] 7.12 
RCSB SS Re aah ead RE Se 9.48| 10.16 9.69 9.25| 14.01] 7.60 
Pe a 9.08| 12.02| 11.81} 11.01] 10.89] 8.10 a 
, kas Recline eee ame mesma 11.33| 1348| 15.41| 10.85; 11.89] 6.46 
,: Cote eiaie cance: Peon auc eatin 8.55| 11.00} 14.02} 10.55] 11.59] 8.45 
a Ete SOS Ae ag eR an 8.43} 12.08| 16.18| 11.07| 10.87| 7.8 
Ae oa 8.80} 10.20] 11.80} 10.06] 10.17) 7.86 
Probable error of mean ..----------- | £0.26/ £0.89| +£0.59) 40.85) +0.51| +0.12 
TABLE 22.—Water transpired in four weeks, absolute dry weights, and 
percentages of total ash. : 
Shaded. Unshaded. 
tere ee t 
Plant No. | Se Redon 
spired in | hah spired in eek spe ee 
weeks. weeks. 
g. g. Pitti g- g. P, ct. 
Se po 161.2} 0.5080 9.10] 230.4] 0.5071; 7.59 
Sg ee Oe ene eae 162.8} 0.4691 9.72} 251.6} 0.6440| 8.29 
ee 172.0} 0.4707 9.83} 2780] 0.6714; 8.47 
sso eee ea es BS 178.0} 0.5054 9.43| 259.6] 0.6643} 8.36 
bees sits ae 180.0} 0.5407 9.35| 270.3| 0.7000; 8.54 
Ee Ra CR AR ORS iene ee 176.4} 0.4864 11.02 213.0} 0.4708 | 7.68 
ota ee 147.6| 0.3762] 11.08] 222.0] 0.5314| 7.49 
Bon tebe. RS ees 139.6 | 0.5171 9.70| 272.0| 0.6209; 8.63 
Die tecnica 136.0| 0.3744] 11,21] 276.0| 0.5715; 8.99 
i 95.21 0.2825 14.62 266.0| 0.6529} 717.76 
Woe 188.4 0.3444 12.57| 240.0} 0.5657 9.15 
We ig a 112.0} 0.2885; 14.11] 272.4/ 0.6230) 8.87 
Bitecnneh 
Sa a ee oer e sey 154.1| 0.4215| 10.98} 2542] 0.6019) 882 
Probable error of mean_......._._...|_...__.___ +0. 02 £6 io as +0. 02 £0, 15 
AS 
