I 



PLATE 87. 



Hyalonema (Oonema) sequoia Lendenfeld. 

 Figures 1-7. 



1-7. — Parts of large superficial pinules, and a whole one; magnified 300: 



1, a portion of the middle-part of one, where the spines are straight and upwardly directed; phot. 

 Zeiss, apochr. 8, compens. oc. 12; 



2, a portion of the middle-part of one, where the spines are strongly oblique, all twisted in the same 

 direction; phot. Zeiss, apochr. 8, compens. oc. 12; 



3, a whole one; phot. Zeiss, apochr. 8, compens. oc. 6: 



3a, the distal part; 



3b, the proximal part (there is no overlapping and nothing missing; the upper end of fig. 3b 

 fits exactly on the lower end of fig. 3a). 



4, 5, the distal end of one, with the spines very irregular at one point of the upper surface; phot. 



Zeiss, apochr. 8, compens. oc. 12: 

 4, focu,ssed higher; 5, focussed lower. 

 6, 7, the distal end of one, with the spine very irregular at one point of the side (profile); phot. 



Zeiss, apochr. 8, compens. oc. 12: 

 6, focussed higher; 7, focussed lower. 



