Illustration from 1911 Encyclopædia Britannica, article BRYOPHYTA.

Species is currently named Andreaea rupestris, having been synonymized from A. petrophila.

Original caption: FIG. 14.—Andreaea petrophila. Plant bearing opened capsule.

(k) ps, Pseudopodium.

c, Calyptra.

spf, Foot of sporogonium.

From Strasburger's Textbook of Botany

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