This Powerpoint reduction is designed to give you first-hand experience with histology slides of the heterosporic fern ally, Selaginella, also known as the spikewort.
Selaginella stem cross section (with leaf cross section and partial stem ls)
Selaginella rhizophore cross section
Selaginella leaf cross section
Selaginella strobilus longitudinal section
Selaginella sporeling whole mount
Selaginella sporeling whole mount w/ cotyledons and root
several views...including some closeups of the gametophytes.