HoLLOWAY. — Studies in the New Zealand Species of Lycopodijum. 219 



and figs. 56-60 prothalli of the compact, massive build. Some of these 

 figures were given in Part I of the present series of papers, but are here 

 reproduced in greater detail. Photos of three elongated prothalli of this 

 species in general view are also given in Plates XII, XIII, and XIV, and 



Fig. 51. — L. ramulosum. Complete mature prothaUus of elongated 

 form in general view, showing several fimgal regions^and 

 a young plantlet. x 30. 



a photo of a more massive prothaUus with its young plantlet is given in 

 longitudinal section in Plate XV. The prothaUus shown in Plate XII is the 

 same as that given in fig. 50. 



In the elongated forms the fungal regions may be swollen so as to 

 present the form of rounded tubercles, or, again, they may be scarcely 

 swollen at all. Each fungal region invariably bears a group of rhizoids. 

 In the massive forms the prothaUus may be compact and show a certain 



