14 



Table V it appears that at the end of July and the begiuning of August 1901 the 

 longest leaf was not generally the outermost leaf throughout Danish waters, thus 

 justifying the generalization of the results we liave come to from the measuremeuts 

 of the Nyborg material eoneerning the growtli of the grass-wrack. 



Table V. 



Length of Zostera leaves from different Danish waters. 



The leiigth oE all the leaves is given in cm; each line corrcsponds to one plant. 



Place, (lepth, nature of bottom and date. 



Measurement« in cm. 



Livø Bredning, 3'/., — 3 fm. Soft bottom. 

 "/, 01. 



Nissum Bredning, Hvidbjærg church in E. by N. 

 2'/., fm. Sand bottom. =7,. 



Nissum Bredning, E of Stenodden. 2'/., fm. Hard 

 bottom. -"/■,. 



Livø Bredning. E. of Livø Teglværk. 2'/.,— 2 fm. 

 Soft bottom. '■"'!,. 



Kattegat. Treaa Mølle in S. 4V> fm- Sand bottom. 



Kattegat. A little N. ot Mark on Østre Flak, South 

 of Læso. 6-4'/, fm. Hard bottom. '-7,. 



Kattegat. Mnldbjærge in W.S.W. Jydske Aas in 

 N.W. 7.> N. 4V., fm. Sand bottom. =7j. 



Kattegat. Als church in W.S.W. 9'/, miles. 5V2 fm. 

 Sand bottom. °'/7- 



Kattegat. Middle of Gjerrild Bugt. 4 fm. Sand 

 bottom. ^7?- 



North coast of Zealand.. Otf Hornbæk. 4 fui. Hard 

 bottom -■/,. 



North coast of Zealand. NekseløBay. 37, fm. Sol't 



Samsø Belt. Off Udsager Hage. 5 — 47., fm. Hard 

 bottom. 78- 



Samsø Belt. Nortli of IJallon. 57... fm. Stony 

 bottom. 7s 



Langelands Belt. Off Hou. 4'/,— 2 fm. Hard 

 bottom. 78- 



100 



- 110 100 50 3 

 90 93 75 20 



— 58 73 75 70 25 

 60 78 83 83 68 20 

 50 65 78 — 48 5 



105 



100 



160 165—20 

 108 110—40 



140 



225 233 210 180 115 33 



213 203 193 148 65 5 



215 215 190 160 100 25 



165 200 208 — 188 135 70 8 



50 — 78 83 83 60 60 



— 50 65 78 85 70 30 



20 28 35 45 48 35 3 

 28 35 43 55 65 50 13 

 33 40 55 63 53 18 



50 78 93 105 100 65 10 

 65 85 103 93 60 8 

 43 53 75 83 65 18 



55 63 70 73 75 55 20 

 50 65 78 85 80 60 28 

 55 65 70 70 65 48 15 

 60 65 68 Ii5 53 30 3 



35 45 60 70 75 45 8 

 35 45 43 60 60 40 10 

 40 53 — 85 93 63 18 



— 63 80 100 115 65 

 43 68 — 123 123 55 



78 83 100 110 93 43 



85 110 — 143 130 60 



— 113 115 120 115 73 



— 108 140 150 130 53 

 87 — 120 130 125 75 



30 43 55 68 75 53 15 

 30 35 38 40 35 13 

 45 58 — 70 60 25 



38 65 93 105 113 70 10 



35 118 135 125 GO 



43 73 — 118 123 70 



35 50 78 105 135 133 58 



— 73 93 108 125 103 30 



— 30 45 75 85 93 50 

 45 50 60 70 78 63 13 

 50 03 83 95 105 93 25 

 55 73 85 93 100 73 18 



