ABNORMAL ’ SPORANGIOPHOBES OP PSILOTAOB^l
(Upload an image to replace this placeholder.)
Fig. 2.
Fig. 8—1, II : different views of the first abnormality. The neighbouring appendages (a, b, c, d) have been removed. ^
8 er i al transverse sections (at the levels indicated by arrows) to
show the vascular supply to the normal (a b, o, d) and abnormal (A B) PP&h ages. The supply to the latter arises as a single unusually large- strand nipped off tangentially from one of the main stelar bundles and soon dividing tangentially into two (VI, A, B). The remnant of the original s S bundle soon disappears, leaving a gap in its place (V).
of all : dlfferent J iewa ° f the second abnormality. VII, profile view of abnormal sporangiophore with a normal sporangiophore nearit VIII face view of abnormal sporangiophore. * ViU
