46 William J. Hodgetts. 
dead tree-stump in a bog near Birmingham. Many of the plants, 
none of which possessed any capsules, had the usual terminal crown 
Fio. 1. Tetyaphis pellucidu. A, stem showing three thalloid protonema 
(a, b, c) growing from it, a little above the insertion of leaves. B, gemma ( g) 
germinating and producing a young thalloid protonema (p). C, an independent 
(stem-formed) protonema which has produced numerous rhizoids and a basal 
bud. D, a young leafy stem which has been formed from a thalloid protonema. 
E, F, G, successive early stages in development of thalloid protonema from 
superficial cells of the stem. A x 30 ; B x 150 ; C to G x 40. 
