30 



WATER-RELATION BETWEEN PLANT AND SOIL. 



Table 4. — Data for Pelargonium. 



'Irrigator colunin .50 cm. high in first series, 100 cm. in second. 



^Atinoiiicter readings have been corrected to the Livingston standard atmometer and are thus 

 comparable to other published readings obtained with his standardized cylindrical instrument. 



