Colenso. — On new Cryptogams. 253 



purple rootlets. Leaves large, 3^-4 lines broad, imbricate, 

 pellucid, waved and crumpled, semi-amplexicaul, margins 

 sinuate ; the upper leaves sub-reniform, sub-rosulate at top of 

 stem ; the lower, sub-quadrate and largely decurrent. Cells 

 very large, of various shapes and sizes, broadly hexangular, 

 oblong, sub-quadrangular and sub-orbicular. Perianth terminal 

 and sub-terminal, broadly campanulate, 2i lines long, 2 lines 

 broad, mouth opeu, spreading, much waved, margin sinuate, 

 entire ; colour and cells as in leaves. Seta 9-15 lines long, 

 erect, stoutish, white. Capsule oblong, very obtuse, minutely 

 reticulate, dark-brown ; valves 4, split to base, but breaking 

 up into quadrangular bits after the manner of Petahphyllum. 

 Elaters brown, cylindrical, flexuous, bi-spiral, forming an un- 

 broken curve or loop at one end, and returning, so that the 

 two ends equally meet at the opposite end ; tips truncate. 

 Spores orbicular, echinulate. 



Hah. Woods at Tarawera, hilly country north of Napier; 

 1886 : Mr. H. Hill. 



Obs. A very peculiar species, from its erect and densely gre- 

 garious habit of growth, so different from that of its known con- 

 quers. In determining the curious elaters of this species I have 

 been generously and largely aided by Dr. W. I. Spencer, F.L.S. 



Genus 27. Zoopsis, Hook. f. and Tayl. 



1. Z. tenuicaulis, sp. nov. 



Plant minute almost capillary, straight and flexuous, pale 

 green ; frond prostrate, delicate, highly cellular, transparent, 

 few-branched, 1-li inches long, ^th inch broad ; midrib 

 strong and dark, a single row of large sub-oblong-quadrate cells 

 on each side, with 2 fascicled claw- (or finger-and-thumb-) like 

 lobes, alternately and pretty regularly disposed on both sides, 

 the upper lobe of 3 (rarely 4, 5,) cells always the longest and 

 sub-acute, the lower lobe of 2 (rarely 3) cells stouter and obtuse ; 

 the cells of the lobes oblong-orbicular, the lowest one being 

 much larger, the upper (of the 3-celled lobe) very small and 

 curved ; the lobes on the lower part of the stem distant, those 

 on the upper portion and on the branchlets are much closer. 

 Flowers and fruit not seen. 



Hab. Among Symphyoyyua, and other low close-growing 

 Hepaticce, from base of Tongariro Mountain Eange, County of 

 East Taupo ; 1887: Mr. H. Hill. 



Obs. A very minute microscopical plant, picked out from 

 among other Hepaticce ; allied to Z. argentea, Hook. f. and 

 Tayl., but much more slender and very distinct. 



2. (?) Z. ciliata, sp. nov. 



Plant small, tufted, delicate, flaccid, erect, \-% inch high, 

 bright grass-green. Fronds fiat, a little waved, T V - 4 inch 



