1915] FRYE, RIGG, AND CRANDALL—KELPS 479 
found a maximum weight of 56 pounds at the season at which the 
sample was taken (fall). One of us (Ricc 12, 13) has found the 
weight of the fronds and pneumatocyst to be 18-35 pounds on 
Puget Sound. The maximum weight found by our expeditions-in 
Alaska was 55kg. ‘This included the fronds and 210cm. of the 
pneumatocyst. The fronds alone weighed 49 kg. This specimen 
was collected at Resurrection Bay. The same portions of speci- 
mens collected at other points weighed as follows: Smith Island, 
24 kg.; Sand Point, 16kg. The slender portion of a stipe collected 
near Seattle, Washington, was found by the writers to weigh 87 gm. 
per meter. A similar piece collected at Sand Point, Alaska, weighed 
227 gm. per meter. A holdfast at Sand Point weighed 3.4 kg. 
A summary of the measurements of the largest Nereocystis plants 
found by the writers is given in table IT. 
TABLE II 
i iameter of i 
Lec Decivet | Foe, | Deen) etc 
Pacific Grove, Cal., 1913......- 34.7 1.8 7.0 
Pacific Grove, Cal., EOES Sula es 360.5 3.6 137 13.6 
Pacific Grove, Cal., 1913....... 38.4 1.8 100 os 
Friday Harbor, Wash., 1911 er tad Gace ese ce rrr es Cee ye 
Seward, Alaska, May 1913...... 19.0 116 55-4 
Yakutat, Alaska, May 10913... -}. 062-225 cssfeeeseseeses OG Be ee eee 
Sand Point, Alaska, July 1913... ey 3.3 113.0 16.2 
Pt. Davidson, Alaska, May 1913. 20.6 MR es pak vile ce baa hes 
Meares Passage, Alaska, July 7, 
O 4 0e 6 2 ole HE ele ee 6 ee ee eee 
The following soundings include the deepest ones made by the 
writers in beds of Nereocystis: Resurrection Bay, Alaska, 5 fathoms; 
Kodiak Island, Alaska, 6 fathoms; Danger Bay, Alaska, 6.5 
fathoms; Pacific Grove, California, 9 fathoms. 
Alaria 
The other kelp forming large beds in Alaska is Alaria fistulosa 
(fig. 2). The maximum width mentioned by SeTcHELL and 
GARDNER (17) is 1m. and the maximum length is 25m. The 
number of sporophylls is given at about 200. 
