Evans: Notes on genus Herberta 



211 



irregularity, is doubtless more or less abnormal. The same thing 

 may be said of the trifid leaves and of the blunt divisions which 

 occasionally come to light, when a large series of leaves is examined. 

 Although Dickson's original figures show perianths and 

 mature capsules, these organs seem to be very rarely produced. 



Figs. 14-20. Herberta adunca (Dicks.) S. F. Gray 

 14, 15. Leaves, X 40. 16. Cells trom the basal portion of a leaf, showing the 

 basal vitta on the right, X 225. 17. Dorsal base of a leaf, X 225. 18. Cells from 

 the upper part of a dorsal leaf-division, X 225. 19. Cells irom the apex ot the same 

 division, X 225. 20. Perigonial bract, X 40. FiGS. 14, 16-19 were drawn from 

 Norwegian specimens collected by E. Jorgensen and distributed in Schiffner's Hep. 

 Europ. Exsic. 464; Figs. 15, 20, from Norwegian specimens collected by B. Kaalaas 

 and distributed in the same exsiccatae 465. 



Hooker stated definitely that the only fruiting plants he had seen 

 were Scotch specimens furnished by Dickson. Pearson* did not 

 know fruiting plants at all ; his description and figures of the bracts 

 and perianths were drawn from Cuban specimens referred to 

 H. juniperina, his idea being that the reproductive parts in this 



* Hep. British Isles 100, loi. pi. 36,/. 11, 12. 1900. 



