176 LYCOPODEAN SPORES. 



and since the megaspores of cones of Lepidodendron are not known 

 to attain to such a size, he does not agree with Carrnthers in 

 regarding them as probably referable to Lepidodendron Pedroanum. 

 Zeiller has also described other spores from Brazil, some of 

 which he figures as microspores, 1 and others as possibly pollen- 

 grains. 2 



Lycopodean Megaspores from Brazil. 



V. 231. A piece of brownish shale showing a few detached 

 megaspores. 



Candiota, Rio Grande do Sul. Pres. by JSf. Plant, Esq., 1869. 



V. 231rt. Figured by Carruthers (69), pi. v, fig. 4. 



A detached megaspore. 



Candiota, Rio Grande do Sul. Pres. by N. Plant, Esq., 1869. 



V. 231c ? Figured by Carruthers (69), pi. v, fig. 2. 



A detached megaspore, probably one of those figured by 

 Carruthers. 



Candiota, Rio Grande do Sul. Pres. by JSf. Plant, Esq., 1869. 



V. 231^, V. 231 d-i. Several specimens showing megaspores 

 similar to those figured by Carruthers. 



Candiota, Rio Grande do Sul. Pres. by iV. Plant, Esq., 1869. 



Spores of Unknown Affinity. 

 [Tasmnnites punctatus, Newton.] 

 The nature of the minute discs occurring abundantly in the 

 Tasmanite and Australian White Coal of the Mersey River Beds 

 in Tasmania (Permo-Carboniferous), to which Newton 3 gave the 

 name Tamianites punctatus, has been much discussed by several 

 authors. 4 They have been regarded as sporangia, algae, spores, 

 and scales, but there is no doubt that they are of the nature of 

 spores, although of what particular type of plant there is no 

 evidence to show. They can, however, hardly be of Lycopodean 



1 Zeiller (9.5 2 ), p. 611, text-figs. 3-5. 



2 Zeiller (95 2 ), p. 612, text-figs. 6, 7. 

 :i Newton (75), p. 337, pi. x. 



4 For a lull bibliography on this subject see Etheridge (78), pp. 199, 200 ; 

 see also Feistmantel (90), p. 143. 



