POI.YSTICUUM AXGULARE. 



171 



the superior basal pinnule is mucli longer than the rest of the 

 pinnules, but their basal lobes are not divided to the base, 

 being decurrcnt. T am indebted to Mr. Elworthy for fronds. 





Fig, 149. — Shewing form of Frond and middle pinna. 



DisPAR, Wollaston. (Fig. 149.) — Found near Nettlecoinbe 

 by Mr. Charles Elworthy. Length fifteen to eighteen inches, 

 width five inches and a half in widest part; vivid green above, 

 much paler beneath. Pinnee unequal in size, — some three inches 

 and a half in length, perchance the next only one inch. 

 Pinnvdes stalked, except near the apices of the pinnae, entire, 

 strongly auricular, deeply dentate, and spinous, the longest 

 spines being at the apex and apex of auricle. Superior basal 

 pinnule longest, and more deeply divided, the auricle being 

 divided almost to the costa, but decurrent. My thanks are 

 due to Mr. Elworthy for fronds. 



2 A 



