g. Cortex of stout spines which fall away and leave a tomentose or furfuraceous surface to the inner peridium. Page 599.
h. Cortex of long spines, curved and convergent at the apex, which fall away and leave a smooth surface to the inner peridium. Page 600.
i. Cortex of minute spinules and granules or furfuraceous scales. Terrestrial. Page 602.
k. Cortex of minute spinules, scales or granules. Lignatile. Page [603].
B. Peridium Very Small, Globose, the Subgleba Nearly Obsolete.
l. Cortex a thin coat of minute spinules, scales or granules. Page [604].
Morgan.
I.—Purple-spored Series.
(a) Cortex consisting of very long convergent spines; denuded
peridium smooth.