428 SUBANTARCTIC ISLANDS OF NEW ZEALAND. [Systematic Botany. 



Two specimens collected by Mr. Aston are all that I have seen. These are 

 very immature, but there is no reason for doubting the identification of the species. 



Caladenia Lyallii, Hook. f. 



Caladenia sp. (4), Hook, f., Fl. Antarct., i, 70 (1844). G. Lyallii, Hook, f., 

 Fl. Nov. Zel., i, 247 (1853). 



Auckland Islands : " Amongst moss in the woods near the sea " ; Hooker. 

 (New Zealand, subalpine localities from Nelson southwards.) 



I have seen no specimens. The colour of the flowers, as quoted in the " Flora 

 Antarctica," hardly corresponds with New Zealand specimens. 



Caladenia bifolia, Hooker, f. 



Caladenia sp. (5), Hook, f., Fl. Antarct., i, 79 (1844). C. bifolia, Hook, f., 

 Fl. Nov. Zel., i, 247 (1853). Chiloglottis Traversii, F. MuelL, Teg. 

 Chath. Is., 51 (1864). 



Auckland and Campbell Islands : Amongst moss, &c., not uncommon ; Hooker, 

 Laing ! Antipodes Island : Kirk. (New Zealand, upland districts from Lake Taupo 

 southwards.) 



Two immature specimens collected by Laing are all that I have seen. So far as 

 a comparison can be made, they agree fairly well with New Zealand specimens. 



Chiloglottis cornuta, Hook. f. 



Chiloglottis cornuta, Hook, f., Fl. Antarct., i, 69 (1844). 



Auckland and Campbell Islands : Mossy sheltered places, not uncommon ; 

 Hooker, Kirk ! Aston ! Laing ! Antipodes Island : Kirk. (New Zealand, from Kai- 

 taia southwards.) 



An examination of some flowers preserved in formalin, collected by Mr. Laing, 

 proves that the calli on the labellum vary in number from 6 to 12, the shape and 

 size also being very inconstant. Not one of the specimens exactly matches the 

 description given in the " Flora Antarctica." I find that the calli are equally vari- 

 able in New Zealand specimens. 



Corysanthes rivularis, Hook. f. 



Acianthus rivularis, A. Cunn., Precur., n. 312 (1836) ; Hook, f., Fl. Antarct., 

 i, 71 (1844). Nematoceras rivularis. Hook, f., Fl. Nov. Zel., i, 251 

 (1853). Corysanthes rivularis. Hook, f., Handb. N.Z. FL, 266 (1864). 

 Auckland Islands: Locality not stated; General Bolton: Norman's Inlet; 

 Aston ! (New Zealand, wooded ravines from the North Cape southwards.) 



Mr. Aston sends numerous fine specimens of this, agreeing exactly with the 

 New Zealand specimens, 



Corysanthes rotundifolia, Hook. f. 



Nematoceras rotundifolia. Hook, f., Fl. Nov. Zel., i, 251 (1853). Cory- 

 santhes rotundifolia. Hook, f., Handb. N.Z. FL, 266 (1864). 

 Auckland and Campbell Islands : Hooker, Laing ? (Throughout New Zea- 

 land.) 



Two specimens in formalin, collected by Laing, apparently belong to this species. 



