156 



but the form of the ramuh is about the same and the hkeness seems 

 to me on the whole very great. 



As pointed out by M™^ Weber, var, Isetevirens may show 

 a not inconsiderable hkeness with var. corynephora as SonderI) 

 has already mentioned. What is most characteristic of this variety 



is that the ramuli are disti- 

 chous and opposite but some- 

 times one can find an erect 

 shoot with multiseriated ra- 

 muli. An otherwise normally 

 developed specimen from Ce- 

 lebes in the herbarium of 

 jVjrae Weber-van Bosse has 

 just a single assimilator with 

 multiseriated ramuli (cfr. M™** 

 Weber-van Bosse's Mono- 

 graph, tab. XXXIII, fig. 14) 

 and the likeness with var. 

 Ixievirens is thus very great. 

 That var. Isetevirens also shows 

 a great resemblance to the 

 above-mentioned var. occiden- 

 talis I have already shown. 



To the var. Lamonroiiiii 

 I have referred some few 

 specimens growing in deeper 

 Waaler. They are characterized 

 by having the ramuli distich- 

 ous; sometimes also many- 

 sided occur (see Fig. 126). 

 The ramuli are distichous not 

 oppositely placed, somewhat 

 upward bent, and the upper- 

 most swollen part is broadly convex. My specimens agree well 

 with the figures given by Turner (32, tab. 229) and Kutzing (20, 

 Bd. 7, tab. 14). Just as these figures show, the ramuli are some- 

 what flattened on the upward turned side; for my specimens, liv- 

 ing as they did in deeper water, this can perhaps have some 

 importance, the ramuli turning by this fact a proportionally broad 

 surface towards the light. 



Fig. 126. Cmderparacemosa (Forsk.) Weber- 

 van Bosse var. Lamonrouxii (Turner) 

 Weber-van Bosse. From deeper water off 

 Hermitage (St. Jan . (About 1 : 1.) 



') SoNDER, W., Die Algen des tropischen Australiens, p. 65. Hamburg 1871. 



