BY E. A. BASTOW, F.L.S. 2V9 



lower. Involucre at the apex of the frond, 2-valvecT. 

 Perianth 0. Calyptra persistent, enclosing the capsule, 

 breaking away from over it, its bulb immersed in the 

 frond ; style deciduous. Capsule on a very short fruit- 

 stalk, membranous, irregularly torn ; elaters with 2 or S 

 spiral fibres. Antheridia in lateral disc-like receptacles, 

 on proper branches. Gemmge 0. 



T. HYPOPHYLLA, Li7tn. sp. pi. ii., 1,604. T. Michelii, Carda ; 

 Syn. Hep. 574. Frond linear-obovate, or cuneate, 

 rigid, with an undefined midrib, pores equal; scales 

 densely imbricate, outer reaching the margin. Hook. 

 Handbook Fl. JST.Z. 547. PL xxxiv. 



Fronds forming large patches, overlapping and flat, 

 very deep green, purplish at the edges, oblong, with 

 numerous radicles on the under surface. Fruit origi- 

 nating from the underside of the frond near the 

 exti-emity. Capsule never elevated beyond the globose 

 calyx, splitting into several unequal segments. Banks, 

 in moist exposed situations. Cook's Britt. Hep, 26, 



Brown's Eiver, Oldfield. Cheshunt, Archer. Tamar 

 Heads, Miss E. Oakde?i. (Australia, New Zealand, 

 Europe, N. Africa, N. America.) 



39. MAECHANTIA, Linn. 



Fruit in stalked peltate receptacle. Perianth opening downwards. 



Frond broad, growing flat on the ground, branched, thick, 

 with a broad ill-defined midrib or none, covered below with 

 coloured imbricating scales and tubular rootlets. Inflo- 

 rescence dicecious, on the surface of the frond. Eeceptacles 

 pelate, stalked, rayed, fruiting on the under surface. 

 Involucres pendulous, alternate with the rays, 2 valved, 

 lacerate, each with 3-6 3-cleft perianths. Capsules stalked, 

 pendulous, dehiscing at the apex by revolute valves ; elaters 

 slender ; sj^ores smooth. Antheridia immersed in the 

 under surface of male receptacles. Gemmae occur abun- 

 dantly in sessile cups on the surface of the frond. 



1. M. TABULAEis, Nees. PL N.Z. ii., 168. Patches large, 

 oblong, lobed; terminal lobes toothed, nerveless, 

 peduncles l-4in. long. Female receptacles with 8-9 

 star-like rays ; involucres with 2-4 perianths, l-4th 

 shorter than the ray, tumid, white, 4-fid ; segments 

 lacerate ; central beard slender, fibrillose ; f ruitstalk 



