COMi;ii:i TIONS TOWARDS THE BOTANY OK AKCKN8ION. I'.' 



. \ i.lriice of long isolation, and lias an iinli'j. -IK-US flora too scanty to allow any general inn - 

 tin safely to be made us to its relationships. 



Finally, 1 must record my indebtedness to Sir W. T. Thiselton-Dyer, K.C'.M.Q., 

 the late Director of the Royal Botanic Gardens, Kcw, through whose kindness the 

 hepatics and lichens were there determined. 



I'll ANF.nOOAM/E. 



EUPHORBIA OKIOANOIDKS, Linn. Amcen. Acad., iii. p. 114; Sp. PI., i. 453; f/emsl. 

 Clutll. Ht.. i. ii. p. 36. 



On the dry plains between Georgetown and "Two Boats." An endemic species, 

 but far from common. 



PORTCJLACA OLKRACEA, Linn. Sp. PL, i. 82; Henul. Chall. Bot. t \. n. p. 34. 



This species is very common on the plains, especially at " Wideawake " and vicinity, 

 and is undoubtedly spreading on the island. It is widely spread in tropical and sub- 

 tropical countries, and Mr Hemsley doubts whether it is indigenous at Ascension. 



CRYPT(M;AM, FiuOM. 



POLYPODIUM RRPTAN8, Stoartz, Syn. Fil., p. 36 ; Hook, and Baker, Syn. Fil., p. 316. 

 Elliott's Pass. Found from the West Indies to Brazil, but not previously collected 

 at Ascension. 



POLYPODICM TRICHOMANOIDES, var. JUNOERMANNOIDES, Hook. Sl/n. Fil., p. 33; 



Hook, and Baker, Syn. Fit., p. 326; Hemsl. Chall. Bot., i. n. p. 41. 

 Elliott's Pass : an endemic variety. 



PTERIS INCISA, Thunb. Prodr. Fl. Cap., p. 733 ; Hook. Sp. Fil., ii. p. 230 ; Hemsl. 

 Chall. Bot., i. n. p. 39. 



Elliott's Pass : indigenous (Hemsley). Widely distributed in the southern hemi- 

 sphere, including Tristan da Cunha and Gough Island. 



ASPLENIOM LUNULATUM, Swartz, Syn. Fil., p. 80; Hook, and Baker, Syn. Fil., 

 p. 202 ; Hemsl. Chall. Bot., i. n. p. 40; A, alatum, A. Rich. Sert. Astrolabe, p. 52. 

 Elliott's Pass. Widely spread, including Tristan da Cunha. 



BLECHNUM AUSTRAUJ, Linn. Mantissa, i. p. 130; Hook. Sp Fil., p. 56; Hemsl. 

 Chall. Bot., i. ii. p. 39. 



Elliott's Pass. Distributed from St Paul and Madagascar through South Africa to 

 Tristan da Cunha. 



NEPHRODIUM MOLLE, Desv. in Mtm. Soc. Linn. Paris, vl p. 258 ; Hook. Sp. Fil., 

 iv. p. 67 ; Hook, and Baker, Syn. Fil., p. 1>'J3 ; Hemsl. ChalL Bot., i. ii. p. 40. 



Elliott's Pass. Widely spread, including St Helena. 



VOL. ill. 7 



