202 THE BOTANY OF ASCENSION. [Suss. LXX. 
Finally, I must record my indebtedness to the late 
Director of the Royal Botanic Gardens, Kew, through whose 
kindness the mosses, hepatics, and lichens were there 
determined. yl 
PHANEROGAM. 
EUPHORBIA OKIGANOIDES, Linn. Amoen. Acad., iii, p. 114; 
Sp. PL, i 453; Hemsl. Chall. Bot., p. 36.—On the dry plains 
between Georgetown and “Two Boats.” An endemic species, 
but far from common. 
PoRTULACA OLERACEA, Linn. Sp. Pl., i. 82; Hemsl. Chall. 
Bot., 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 
subtropical countries, and Mr. Hemsley doubts whether it is 
indigenous at Ascension, 
CrYPTOGAMA:—FILICES. 
POLYPODIUM REPTANS, Sw. Syn. Fil, p. 36; Hook. and 
Bak. Syn. Fil., p. 316.—Elliott’s Pass. Found from West 
Indies to Brazil, but not previously collected at Ascension. 
POLYPODIUM TRICHOMANOIDES, var. JUNGERMANNOIDES, 
Hook. Syn. Fil., p. 33; Hook. and Bak. Syn. Fil, p. 326; 
Hemsl]. Chall. Bot., p. 41.—Elliott’s Pass: an endemic 
variety. 
PTERIS INCISA, Thunb, Prod. Fl. Cap., p. 733; Hook. Sp. 
Fil., ii, p. 230; Hemsl. Chall. Bot., p. 39.—Elliott’s Pass: 
indigenous (Hemsley). Widely distributed in the southern 
hemisphere, including Tristan da Cunha and Gough Island. 
ASPLENIUM LUNULATUM, Sw. Syn. Fil., p. 80; Hook. and 
Bak. Syn. Fil., p. 202; Hemsl. Chall. Bot., p. 40 ; A. alatum, 
A. Rich. Sert. Astrolab., p. 52.—Elliott’s Pass. Widely 
spread, including Tristan da Cunha. 
BLECHNUM AUSTRALE, Linn. Mantissa, i. p. 130; Hook. Sp. 
Fil., p. 56; Hemsl. Chall. Bot., p. 39.—Elhott’s Pass. Dis- 
tributed from St Paul and Madagascar through South Africa 
to Tristan da Cunha. 
NEPHRODIUM MOLLE, Desv. in Mém. Soe. Linn, Paris, vi. 
p. 258; Hook. Sp. Fil., iv. p. 67; Hook. and Bak. Syn. Fil., 
