62 



than those of tjie antarctic South American plant. Their pedicellar 

 rudiment of a third flower is strongly developed, whilst in some 

 specimina collected in Australia and New Zealand it bears glumelke, 

 rendering thus the spikelet truly triflorous. 



LYCOPODINE^. 



Lycopodium volubile. 



Poret. Prodrom. 482 ; Swartz, Synops. Filic. 180 & 404 ; Hook, et Greville, 

 loon. Filio t. 170 ; Spring, Memoir. Acad. Bruxell. xv. 105 ; J. Hook, 

 Flor. Nov. Zeel. ii. 55. 



Common on Chatham-Island. 



Lycopodium densum. 



Labillard. Nov. HoU. Plant. Specim. ii. 104, t. 251, fig! 1 ; Willd. Spec. Plant. 

 V. 22 ; E. Brown, Prodrom. 165 ; Spring, Memoir. Acad. BruxeU. xv. 87 ; 

 J. Hook, Flor, Nov. Zeel. ii. 53 ; Plor. Tasm. ii. 156. 



Found in Chatham-Island by Dr. Dieffenbach. 



Lycopodium Selago. 



Linne, Spec. Plant. 1565 ; J. Hook. Hor. Antarot. ii. 394 ; Flor. Nov. Zeel. ii. 

 52 ; Flor. Tasman'. ii. 155, tab. 170 A. ; L. Varium, E. Br. Prodr. 164 ; Hook. 

 & Grevill. Icon. Filic. 112 j J. Hook. Flor. Antarctica, i. 115 ; Flor. Nov. 

 Zeel. i. 52 ; Flor. Tasm. i. 155, tab. 170, B.-F. ; L. Flagellaria, Eicb. Voy. 

 de I'Astrolabe, i. 60 ; L. Billardierii, Spring in Memoir. Acad. Bnix. xv. 

 56 J J. Hook. Flor. Nov. Zeel. ii. 53. 



Variefas flagellaria. 



Pitt-Island, rare on rocks. 



Our collection contains from Stuart-Island specimina exhibiting 

 strictly bracteate and foliate spikes on the same individual plant. 



In Australia the typical L. Selago is restricted to the highlands ; 

 the elongated varieties are observed in deep moist forest-ravines 

 either on fern-trees or on mossy rocks. 



FILICES. 

 Gleichenia dicarpa. 

 E. Br. Prodrom. 161 ; Kunze, Farnkrseuter, 164, t. 70, fig. 2 ; Hook. Spec. 

 Filic. i. 3, t. 1, C. ; Exotic Ferns, 40 ; J. Hook. Flor. Nov. Zeel. ii. 5 ; 

 Flor. Tasm. ii. 131 ; G. alpina, E. Br. Prodr. 161 ; Hook, et Grev. Icon, 

 FU. t. 58, 



Chatham-Island. 



