Flora ofNai’ccndam and Barren Island. 
83 
163. Bryum coeonatum Schwcegr. Narcondam (129); Barren Island 
(79). Cosmopolitan in the tropics. 
XLTX. LICHENES. xxxix. 
161. CoLLEMA NIGRBSCBNS Achar. Narcondam (130), rather coinmon ; 
Barren Island (80), plentiful. 
Cosmopolitan. 
L. FUNGI.* XL. 
165. POLYPORUS AUSTRALIS Fries. Narcondam (131) ; Barren Island (81). 
Cosmopolitan in the tropics. 
166. PoLYPORUS XANTHOPUS Fries. Narcoiidam (132). 
Cosmopolitan in the tropics. 
167. Lbnzites PLATYPHYLLUS Cooke, GrewZZea xiii. 1. Narcondam (132). 
Malay Peninsula. 
168. Dedaelea griercina Fries. Narcondam (134) ; Barren Island (82). 
Cosmopolitan. 
169. Peniophoea papyrina Mont. Narcondam (135) ; Barren Island (83). 
Cosmopolitan in the tropics. 
170. Hirneola polytricha Mont. Narcondam (136); Barren Island (84). 
Cosmopolitan in the tropics. 
171. Thelbphora incrustans Pers. Narcondam (137); Barren Island 
(85), 
Cosmopolitan. 
172. Rhytisma, sp. Narcondam (138) ; Barren Island (86); on leaves 
of Ficus hrevicuspis. 
Andamans. 
ALG^. XLi. 
173. Calothrix pulvikata Ag. Barren Island (87) ; on stones in 
the hot spring on the beach at Landing-place Cove. 
Cosmopolitan. 
174. Calothrix tasmanica Kg. Barren Island (88) ; on rocks in bed 
of torrent on inside of outer cone to the south of the lava. 
Indo-China, Malaya; Australia. 
§§§ Nature and Origin op the Flora. 
The list includes 174 species, of which 138 occur in Narcondam 
and 88 in Barren Island ; 86, or 62^°/^, of the Narcondam plants are 
absent from Barren Island, while 36, or 41%, of the Bari’en Island 
species do not occur in Narcondam; only 52 species—making 37f°/o of 
* Examined, and kindly named for the writer by Mr. G. Massee. 
297 
