230 Transactions. — Botany. 



H. unilaterale, Willd. Eare and local. Steep banks of a stream near head 



of Paterson's Inlet. 

 H. minimum, A. Kick. On rocks, trunks of trees, etc., near tke sea, not 



unfrequent. Fronds witk from two to six pairs of lobes. 

 H. bivalve, Swartz. Common on mossy banks, in damp situations, and in 



forests, a. Fronds rigid, decurved. b. Fronds slender, flat, sometimes 



nearly 1' in lengtk. 

 H. multifidum, Swartz. Common tkrougkout tke island, ascends to fully 



2,000 feet. 

 H. varum, Br. Remarkably local. Ulva. Port William. 

 H. pidcherrimum, Col. Observed only at tke Arckdeacon's Cove, Paterson's 



Inlet. Fine pendulous fronds measured nearly tkirty inckes in lengtk. 

 H. dilatatum, Swartz. Common tkrougkout tke island at low levels. 

 H. javanicum, Spr. A solitary specimen of tins species was collected on 



Ulva. 

 H. polyanthos, Sw., var. sanguinolentum. Most abundant, and exhibiting 



a wide range of variation in tke skape of tke fronds, caused by tke 



unequal development of tke pinnae. Occasionally tke lateral pinnae are 



less tkan kalf an inch in length, while the apical portion of the frond is 



greatly elongated, sometimes being over a foot in length. Again, the 



lateral pinnae alone are elongated so as to form a broadly flabellate 



frond. A diminutive form with fronds less than half an inch in length 



is found on the mountains. 

 H. villosum, Col. Mount Anglem, 3,000 feet. 

 H . demissum, Sw. Abundant below 1,800 feet. 

 H. fiabellatum, Br. Epiphytic, not uncommon, ascends to 2,000 feet on 



Mount Anglem. 

 H. rufescens, T. Kirk. Rakiahua, Messrs. Hamilton and Goyen ! 

 H. mruginoswn, Carm. Abundant on trunks of tree-ferns. Extremely 



luxuriant at Port William. 

 Trichomanes reniforme, Forst. Paterson's Inlet and Halfmoon Bay. 



Restricted to a few square yards above high water-mark in each 



locality. For my knowledge of these habitats I am indebted to Mr. 



Walker. 

 T. lyallii, Hook. On inclined trunks of Metrosideros lutida, Mount Anglem, 



1,500 to 2,200 feet. I was much surprised at the discovery of this 



species on Stewart Island. 

 T. strictum, Menzies. Extremely rare and local. Ulva. Discovered by 



Miss Traill. 

 T. venosum, Br. On stems of tree-ferns, etc. Port William, Ulva, and 



other localities, not uncommon. 



