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ADDITIONS, CORRECTIONS, ETC. 
Page 
386. Ophioglossum vulgatum. — Sometimes 3 and even 4 scapes arise from 
the root. 
387. Botrychium eicutarium Chatham Island, W . Travers. 
389. Lycopodium varium. — Chatham Island, TF. Travers. 
389 . L. Billardieri. — Chatham Island, TF. Travers. 
389. L. densum. — Chatham Island, TF. Travers. 
391. L. volubile. — Chatham Island, W. Travers. 
391. Tmesipteris Porsteri. — Colenso distinguishes between T. Forsteri, with 
acute or acuminate segments, and T. truncation, Br., with truncate emarginate 
segments, both of which grow in the islands, and which he affirms are distinct 
in habit and habitat. In the herbarium I am quite unable to distinguish 
the numerous intermediate forms. 
391. Psilotum triquetrum. — Bangitoto Island, near Auckland, on Metro- 
sideros tomentosa , Colenso. 
Order IV. MUSCI. 
437. Mielichoferia longiseta. — Mitten informs me that the New Zealand 
differs from the American plant, and is this — 
1. M. tenuiseta, Mitten. Stems J-l in. long. Leaves glossy, on the 
sterile branches oblong-lanceolate acute ; nerve percurrent ; apex serrate ; 
cells narrow elongate; pericluetial ovate, acute, serrulate, ^-nerved. Fruit- 
stalk elongate, red. Capsule pyriform ; operculum large, mamillate ; teeth 
(inner) narrow, smooth, united into a short membrane. Inflorescence 
monoecious, Mitten. 
Middle Island : Alps of Canterbury, Sinclair and Haast. — Differs from the Andean 
plant in the narrower leaves and smooth teeth. 
Order V. HEPATICiE. 
The following is a new arrangement of the New Zealand genera of Ilepaticce, 
by Mitten, which will be of great use in aiding the student in determining 
the genera of this most difficult Order : — 
A. Polios® — Leaves distinct. 
# Leaves succubous ; base with the lowest angle on the upper side of the stem. 
a. Perianth leafg. 
1. Fruit terminal. 
3. Plagiochila. Perianth compressed ; stems erect or ascending ; stipules 0. 
4. Leioscyphus. Perianth compressed ; stems procumbent, stipulate. 
2/1. Temnoma. Perianth above 3-gonous, truncate. 
2/2. Chandonanthus. Perianth tubular, many-plicate ; mouth open ; stems erect or 
ascending. 
5. Lophocolea. Perianth 3-quetrous ; angles often alate; mouth 3-lipped, closed ; 
stems procumbent, stipulate. 
5/1. Trjgonanthus. Perianth 3-gonous ; mouth contracted ; stems procumbent, stipu- 
late near the fruit. 
