Mr. Turner's Calendarium. Plantarum marinorum, — 327 
the habit.of occafionally vifiting the fea, and collecting its produce 
- tions, are led to expect: that whatever they find they will find in per- 
^ fe&ion; which has not unfrequently been the caufe of error asi well 
. to.themfélves as to others. For, to mention one inftance among 
many; the Fucus fubfufcus; which is one of the moft com mon fpecies- 
upon the, Norfolk. (bore, ar gofruGifies only in the ;earlieft, months 
of fpring, is generally gathered in September; and often;throughout 
the whole winter, with its ftem»and branches fwollen-in. various 
parts; which fwellings mány very learned: botanifts have miftaken 
for fruit, and conceived themfelves;difcoverers of either, what they 
called, diamorphous fructification, or new fpecies y although from 
having-again and again; in-companyawith my worth y friend’ Me, Wiggs, 
A. L. S. examined thefe tumours, I can; fafely pronounce; them, no- 
— thing more than.the fubftance! of the, frond fwollen, and canfeds)as 
I imagine, by fome marine infe: sthe fame being, though;not fo fre- 
quently, obfervable upon other Fuci; It were eafy to, palange upon 
this fubjeét, and produce many fimilar inftances of error; but as this: 
one is fufficient to eftablifh my point, I fhall refrain from faying more. 
at prefent, as I may probably at fome future time lay beforé this So- 
ciety a few remarks more particularly relating to tbe rhodé of fui 
Rcation that obtiins f chee cep 9 oan onu co 
Ried, bn the feres atcomis bet oig elfe df e 
‘greater facility which would attend our inveftigation of the marine 
‘Alga, could we, fx with tolerable precifion the, times when we might 
- expect. to gather them: at; piaturijy,L have. conftantly-.habituated 
myfelf to commit to writing at what months I have found the dif». 
ferent fpecies in fruit; and though my lift muft neceífarily be im-- 
perfect, as well becaufe I. am obliged to truft to the winds and waves, 
. the nature of our fhore not allowing us to vifit them in their places. 
of growth, as becaufe we find upon our coait only a limited num- - 
; 2 E ZUM - ben. 
m 
TYTYA x x 
iy AY 
DEI 
