REPORT ON THE BOTANY OF THE ISLANDS OF THE SOUTHERN OCEAN. 267 



be a great obstacle to travelling. Mr Velain states that there is a belt of this plant around 

 the mountain, commencing at an elevation of about 100 feet, and extending to nearly 900 

 feet ; and it took him and his companions more than a day to traverse it. 



Uncinia brevicaulis, Thouars, var. robustior. (Plate XLV.) 



Uncinia brevicaulis, Thouars, var. robustior, Hemsl. ' 



Uncinia rigida, Bceckl. in Flora, 1882, p. 64? 



Uncinia gracilis, Thouars, /3. gracilis [sic], C. E. Clarke in Journ. Linn. Soc. Lond., xx. p. 400. " 



St Paul and Amsterdam. De Vlsle, 7 and 44. 



Also in Tristan da Cunha. 



De l'lsle collected the plant figured in Amsterdam Island at an elevation of above GOO 

 feet ; and he collected a smaller specimen on the south coast of St Paul. For particulars 

 of it see ante, p.*159. 



Uncinia compacta, E. Br. 



Uncinia compacta, R. Br., Prodr. Fl. Nov. Holl., p. 241 ; Hook, f., Fl. Tasm., ii. p. 103, t. 153; C. 

 B. Clarke in Journ. Linn. Soc. Lond., xx. p. 394. 



St Paul Island. — Beginning at an altitude of about 650 feet — De l'lsle, 34. 

 Kerguelen Island ; New Zealand ; Tasmania ; Alps of Victoria, Australia. 

 Var. 5 dongata, C. B. Clarke in Journ. Linn. Soc. Lond., xx. p. 395. 



Amsterdam Island. De l'lsle, 55. 



GRAMINE^. 

 Spartina arundinacea, Carmich. 



Spartina arundinacea, Carmich. in Trans. Linn. Soc. Lond., xii. p. 504 ; Kunth, Enum., i. p. 279 ; 



Reichardt in Verhandl. d. k. k. zooL-bot. Gesellsch. Wien, xxi., Abhandl. p. 31. 

 Pouch fi" arundinacea, Thouars, Esquisse Fl. Trist., p. 36. 



St Paul Island. — Abundant on the bank around the basin — Milne, ; scattered, and 

 not very common — JelineJo; common — De risk. Amsterdam Island. — Exceedingly 

 abundant. 



Apparently restricted to these islands and the Tristan da Cunha group. There is an 

 allied species on the eastern coast of South America. 



Triseturn insulare, Hemsl. (Plate LII.) 



Trisetum insulare, Hemsl., n. sp. 



Danthonia radicans, Steudel (?) Reichardt in Verhandl. d. k. k. zool.-bot. Gesellsch. Wien, xxi., 

 Abhandl. p. 31. 



Cffispitosum, foliis brevibus confertis late vaginantibus, paniculis densis abbreviatis, 



spiculis bifloris, gluma florenti longe bisetosa cum arista inter setas terminali. 



