Studier öfver svensk tång, företrädesvis från Öresund 
53 
Laminaria: Table XXIV. Leaf and stalk at different times in an air-dried condition. 
Table XXV. Quantities of N, P 2 0 5 and Fe 2 0 5 in the green and yellow part of the leaf. 
Enteromorpha and Pylaiella: Table XXVI. Composition at different times, in an air-dried con- 
dition. 
Washed out seaweed: Table XXVII. 100 parts of Ulva washed out with distilled Avater. Loss in 
percentage of N, ashes, P 2 0 5 and K 2 0. 
Table XXVIII. Fucus ves. washed out during ten days Avith distilled water. Loss in per- 
centage of dry substance, organic matter, N etc. 
Table XXIX. Composition of Fucus v. and Zostera, washed out by rainfall during 4 months. 
Table XXX. Analysis of old Zostera , 1 has been piled up ‘25 years at least, 2 — 3 for 
several months. 
Table XXXI. Manure-water run off a pile of seaAveed, rich in Ulva. 
(Tryckningen avslutad den 10 april 1919.) 
