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Plate XL 



Page 

 Asbestopluma bihamatifera Cart, a — b styli from the axis, a from the upper part, b from 

 the lower part, c subtylostyli from the lateral branches, x 120, d spinulous tylostyli 

 from the stalk-coating, x 485, c the characteristic anisochela palmata, front view and 

 side view, x 1400, f anisochela palmata of the large form, front view and side view, 

 x 5 8 5< g sigmata, x 700 51 



Asbestopluma bihamatifera Cart. Transverse section of the axis in the ramigerous part, 

 the lateral branches rather short, spicula-bundles and canals are seen, x 32 51 



Asbestopluma furcata n.sp. a styli from the axis of different sizes, b subtylostyli from the lateral 

 branches, x 120, c head-end of a subtylostylus, x 485, d finely spinulous tylostrongyla 

 from the stalk-coating, x 485, e the characteristic anisochela palmata, front view and 

 side view, x 1400, f anisochela; palmatse of the large form, front view and side view, 

 partly with split, partly with intact small tooth, x 585, g sigmata, x 700, h subtylostyli 

 from embryo, x 255 54 



Asbestopluma cupressiformis Cart, a subtylostyli, b styli from the lower part of the axis, 

 x 120, c anisochela palmata, side view and front view, d seen from the small end, 

 x 1400, e forcipes, x 700, f spicula of different forms, from embryo, x 255 58 



Asbestopluma cupressiformis Cart. Embryo showing the spicula-bundle, x 100 58 



Asbestopluma lycopodium Levins, a styli of different sizes, b styli from the base of the 

 stalk, x 120, c anisochela palmata, side view and front view, x 1400, d forcipes, x 700 62 



Asbestopluma lycopodium Levins. Transverse section, showing the fibres of the axis, the 

 spicula of the lateral branches, and embryos in different sizes, x 32 62 



Asbestopluma hydra n. sp. a — c subtylostyli, a from the stalk, b from the branches, c an 

 intermediate form, x 120, d head-end of a subtj'lostylus from the stalk, c head-end of 

 a subtylostylus from the branches, x 485, / anisochela palmata, side view and front 

 view, x 1400 66 



Asbestopluma infundibulum Levins, a- — c styli and subtylostyli, a from the calyx and the 

 upper part of the stalk, b from the lower part of the stalk, c two of the projecting 

 spicules with distinct head-swelling, d from the refolded edge of the calyx, e two of the 

 long, fine spicules, projecting from the wall of the calyx, x 120, f anisoch else palmatse 

 of different sizes and with different dimensions, side view and front view, g half front 

 view, // seen from the small end, i tooth of the small end, seen from the inside, x 1400, 

 k forceps, x 700, / spicula of different forms from embryo, x 255, m chela from embryo, 

 x 1400 68 



