i8. 1918 Physiological Studies of Normal and Blighted Spinach 387 



Table I. — Moisture content of air-dried healthy and diseased spinach 



HEALTHY SPINACH 



No. 



Date collected. 



Dec. I, 1915. 



and Jan. 21, 



1916. 



....do 



....do 



.do. 

 .do. 



.do. 

 .do. 



.do. 



.do. 



.do. 

 .do. 



Kind of material. 



.do. 

 do. 



.do. 

 do. 



.do. 



.do. 



.do. 

 .do. 



.do. 

 .do. 



.do. 

 do. 



.do. 



do 



May 6, 1916. 



.do. 

 .do. 

 .do. 

 .do. 



Entire plant. . 



.do. 

 .do. 



.do. 

 .do. 



.do. 

 .do. 



.do. 



.do. 



....do.. 

 Leaves . 



.do. 

 .do. 



Treatment of materials. 



Dried in electric drying oven 

 at 50° C. for 48 hours. 



do. 



Remained in covered jars for 



about four weeks. 



....do 



Exposed to air in thin layers 



for 24 hours. 



do 



Exposed to air in thin layers 



for 24 hours longer. 

 Exposed to air in thin layers 



another 24 hours (total, 72 



hours). 

 Remained in covered jars for 



about two weeks. 



do 



Dried in electric drying oven 



at 50° C. for 48 hours. 



.do. 

 .do. 



.do. 



do. 



...do 

 Roots . 



.do. 

 .do. 



Remained in covered jars for 

 about three weeks. 



....do 



Exposed to air in thin layers 



for 48 hours. 

 Exposed to air in thin layers 

 another 24 hours (total, 72 

 hours). 

 Remained in covered jars 

 about two weeks. 



....do 



Dried in electric drying oven 

 at 50° C. for 48 hours. 



do 



Remained in covered jars for 

 about three weeks. 



do 



Exposed to air in thin layers 



for 48 hours. 

 Exposed to air in thin layers 

 I another 24 hours (total, 72 

 hours). 



do Remained in covered jars for 



about two weeks. 



do do 



Leaves Exposed to air in thin layers 



for several days. 



. ..do I do 



....do ' do 



Roots I do 



do do 



.do. 

 .do. 



.do. 



Quan- 

 tity of 

 air-dry 



sub- 

 stance 



used. 



Water lost (at 100° C). 



Observed. 



Aver- 

 age. 



Gm. 



0.8944 



1.1323 

 I. 0000 



1. 0000 

 •7653 



1.0338 

 .6197 



. 9208 



.8756 



.9272 

 1. 0000 



I. 0000 

 1. 0000 



I. 0000 

 •9731 



. 8422 



.7850 



.9097 

 I. 0000 



1. 0000 

 1. 0000 



1. 0000 

 .6825 



.9164 

 .9196 



1.0508 

 .6820 

 .8288 

 .6087 



Gm. 

 o. 0346 



.0436 

 •0437 



.0426 

 •0371 



•0499 

 .0316 



.0436 

 .0372 



•0383 

 .0416 



.0419 



.0484 



.0381 



.0405 



.0477 



•0473 

 .0529 



• 0528 

 •0349 



.0456 



.0448 

 •0547 



.0623 

 .0412 

 •0593 

 .0431 



DISEASED SPINACH 



Dec.i,i9i5.and 

 Jan. 21,1916.* 



....do ■.. 



....do 



.do. 



.do. 



.do. 

 .do. 

 .do. 

 .do. 



Entire plant . 



.do. 

 .do. 



.do. 



.do. 



....do.. 

 Leaves . 

 ....do., 

 do.. 



Dried in electric oven at 50° C 



.do. 



Exposed to air in thin layers 



for 48 hours. 

 Exposed to air in thin layers 



for 24 more hours (total, 72 



hours). 

 Remained in covered jars for 



about two weeks. 



do ^... 



Dried in electric oven at 50° C. 



do 



Exposed to air in thin layers 



48 hours. 



Per 

 cent. 

 3.87 



3.8s 

 4-37 



4. 26 

 4.85 



4.83 

 5- 10 



4.70 

 3-72 



3.83 

 4. 16 



4.19 

 4-97 



4-45 

 4-77 



4-73 

 5-29 



5. 28 

 5. II 



4.89 

 5-95 



5-93 

 6.04 



7- in 

 7.08 



Per 



cent. 



3.86 



4-31 



4.84 

 S-IO 



4-57 



4-63 



3-78 



4.17 

 4-97 

 4-52 



4-45 



4-7S 



5.29 

 S-ii 

 5-01 



} '■■ 



4. 20 



S.38 



4-77 



4.96 

 5-82 

 5.80 

 S-53 



4.18 

 S-38 

 4 73 



4.86 



5- 81 

 5-53 



