﻿260 Transactions. — Botany. 



H. unilaterale, W\\\d. Distribution — Novth and South Islands ; local and 

 sub-alpine. Local in Britain, but moi-e frequent than the preceding, and 

 ascending to a much greater altitude. 



Gystopteris fragilis, Bernh. Distribution — North and South Islands, but 

 local and sub-alpine. In Britain general. 



Pteris aquilina, L., var. esculenta. Distribution — general. Of more rigid 

 habit than the typical form. 



Asplenium Trichomanes, L. Distribution — North and South Islands ; local 

 and sub-alpine. General in Britain. 



Aspidium aculeatum, Swartz. Distribution — General from the Thames 

 southward. Our plant is often non-indusiate, and differs from any of the 

 British forms. 



Nephrodium thelypteris^ Schl., var. squamulosuTni. Distribution — North 

 Island j extremely locaL Differs from the typical form in the bullate scales 

 only. 



Ophioglossum vulgatum, L., var. lusitanicum. Distribution— general. 0. 

 lusitanicum is not found in Britain proper, cqnfined to one of the Channel 

 islands. 



LYCOPODIACEiE, 



Lycopodium Selago, L. Distribution — South Island ; siib-alpine, 



L. clavatum, L., var. magellanicum. Distribution — -North and South Islands ; 



sub-alpine. Differs from the British form in the slender habit and spreading 



leaves, which are never hair-pointed, 



Art, XLV.- — On the New Zealand Species of Pittosporum, with Descri2)tions of 

 Nevj Species. By T. Kirk, F.L.S. 



[^Read he/ore the AticMand Institute, 2nd October, 1871.] 



Amongst the genera of New Zealand plants which occupy a prominent position 

 in the Flora, alike from their wide range of distribution, relative abundance, 

 and number of species, the genus Pittosporum takes an important plnce. 

 Although rarely of social character, its members form a considerable portion of 

 the woodland Flora, and from their great variety in habit, stature, and inflor- 

 escence, present special features of interest. 



In the " Flora Novae Zelandise " ten species are described ; in the " Hand- 

 book of the New Zealand Flora " the number is increased to thirteen, one of 

 the additional forms having been described as a variety in the first-named work. 

 Since the publication of the " Handbook " the number of species or sub- 

 species has been increased by more than one-half, and the doubts expressed by 



