CRYPTOGAMIA ALG^. 551 



lefs than the fmalleft pin's head, fcattered with- 

 out order on the furface of the leaves. 



Thefe warts, when highly magnified, appear to 

 be the curled rudiments of young leaves ; which 

 in due time either drop off and form new plants, 

 or continue on and germinate upon the pa- 

 rent. 



The plant is very much infefted with the FLU- 

 STRA pilofa. Lin. Syfi. nat. ^ 1301 ; the MA- 

 DREPORA verrucaria^ p. 1272 •, and other 

 Corallines, which make it appear as if covered 

 with white fcabs. 



31, F. frondibus membranaceis fubdichotomis coftatis, 



laciniis alternis decurrentibus bifidis. Lin. Syji. 



nat. edit. 13. p. 816. Mantijf. p. 135. n. 42. 



Hudf. Fl. Ang.p. 473. ». 33. (Gmel. hiji. fucor, 



p. 187. /. 25./. I. bona^ et ejus 'varietates f. 2, 



et 3. Oed. Ban. t. 352. opt.) 

 Winged Fucus. Anglis, 

 Upon the fea rocks frequent, in bafons of water 



left by the recefs of the tides. 

 The color is a bright red, or pale purple; the fub- 



ftance membranaceous, thin, and tranfparent. 



The height three or four inches ; and the 



breadth, when fully expanded, rather more. 

 The ftalk is flat, about a line in width, and very 



much branched. The branches grow alter- 

 P p p 4 natc. 



