CRYPTOGAMOUS PLANTS OF DEVONSHIRE. 369 



of my own collecting, which illustrate the disco- 

 very. 



Vide PI. XV. 



Fig. 1. Plant of Fucus laciniatus, with the 

 common fructification. 



2. A portion of the frond with the fruc- 



tification, magnified. 



3. A tubercle highly magnified. 



4. Plant of F. laciniatus with the second 



mode of fructification. 



5. Portion of the frond with seeds mag- 



nified. 



6. Do. highly magnified. 



7. Seeds. 



(11.) Fucus rubens. 



Of this plant Mrs Griffiths gave me specimens 

 to examine, bearing very curious bodies on pe- 

 duncles, resembling some of the microscopic fungi, 

 and not unlike the urceolate pods of Fucus den- 

 tatus in their young state, (for at first they are not 

 urceolate). After the most minute scrutiny, I am 

 utterly unable to decide whether they are seed- 

 vessels or zoophytic productions. They vary in 

 their shape, some being obovate, some peziziform, 

 and some globular, sessile at first, afterwards sup- 

 ported upon peduncles, tapering downwards ; the 

 substance is cartilaginous, and a section shows no- 

 thing but an obscure radiated structure; when 



VOL. III. a a 



