Text-fig. 2.-Asterella australis. Fig. 16.- Vertical section of a sporogonium at the spore-mother-cell stage. X 75. Fig. 17.-Spore and elater. X 225. Fig. 18.-Germinating spore. X 200. Fig. 19—Young sporeling with the thallus shown in surface view. X 200. Asterella tenera. Fig. 20.—Habit drawing. X 1. a, antheridial receptacle. Fig. 21.-Ventral scale. X 75. a, appendage; m, mucilage cell; s, scale. Fig. 22. Vertical section of a young antheridium showing transverse walls. X 400. Fig. 23.—Vertical section of a young antheridium showing vertical walls. X, 400. Fig. 24.- Vertical section of a young antheridium showing periclinal walls. X 400. Fig. 25. Vertical section of a mature antheridium. X 180. Fig. 26.—Vertical section of a young archegonium. X 380. Fig. 27.- Vertical section of a mature archegonium. X 400. Fig. 28.—Head of the archegoniophore viewed from below. X 5.

Transactions of the Royal Society of New Zealand : Botany, Volume 3, Issue 5, 16 September 1965, Page 104

Text-fig. 2.- Asterella australis. Fig. 16.- Vertical section of a sporogonium at the spore-mother-cell stage. X 75. Fig. 17.-Spore and elater. X 225. Fig. 18.-Germinating spore. X 200. Fig. 19—Young sporeling with the thallus shown in surface view. X 200. Asterella tenera. Fig. 20.—Habit drawing. X 1. a, antheridial receptacle. Fig. 21.-Ventral scale. X 75. a, appendage; m, mucilage cell; s, scale. Fig. 22. Vertical section of a young antheridium showing transverse walls. X 400. Fig. 23.—Vertical section of a young antheridium showing vertical walls. X, 400. Fig. 24.Vertical section of a young antheridium showing periclinal walls. X 400. Fig. 25. Vertical section of a mature antheridium. X 180. Fig. 26.—Vertical section of a young archegonium. X 380. Fig. 27.Vertical section of a mature archegonium. X 400. Fig. 28.—Head of the archegoniophore viewed from below. X 5.