548 INDEX. 
Nitophyllum crispatum, Hook. f. § Harv., 
doubtful record, 153. 
— Crozieri, Hook. f. & Harv., 183. 
— Durvillei, J. Ag., 182, 183. 
— fuscorubrum, Hook. f. § Harv., doubtful, 
153, 201; at Kerguelen, 153. 
— Grayanum, J. Ag., 181. 
— laciniatum, Hook, f. § Harv., 181, 182, 
201. 
— lividum, Hook. f. $ Harv., 181, 201. 
— multinerve, Hook. f. § Harv., 182. 
— Smithii, Hook. f. у Harv., 181, 182. 
— variolosum, Hook. f., 201. 
— sp., a host-plant, 161. 
Nitzschia sigma, W. Sm., 204. 
Norfolk Broads plants, 281. 
Nostoc paludosum, Kiitz., 202. 
— sp., 426. 
Nothogenia variolosa, Mont., 175, 176. 
Nuphar, Sibth. $ Sm., at Broadwaters, 424. 
— luteum, Sm., 279, 282. 
Nymphæa alba, Linn., 272, 273, 279, 282, 
288, 290. 
— lutea, Linn., at Hurcott, Ke., 424. 
‘Oaks, epiphytes on, 62, 65, 72, 74, 75, 79- 
84. 
‘Ochrolechia parella, Massal., 208. 
— tartarea, Massal., 208. 
— upsaliensis, Massal., 208. 
Octoblepharum albidum, Hedw., 297, 
XEnanthe fistulosa, Linn., 281. 
— Lachenalii, Gmel., 281. 
— Phellandnum, Lam., 282. 
— Thomsoni, C. B. Clarke, 469. 
CEstrelata macroptera, 43, see Estrelata. 
Oleaceæ from Sikkim, 475. 
Oleandra Wallichii, Pres/, 488. 
Oncobrysa adriatica, Hauck, 374. 
Onosma arenarium, Waldst. $ Kit., 280. 
Onychium auratum, Kaulf., 486. 
Oocystis parva, W. $ G. S. West, 426, 430, 
432. 
— solitaria, Wittr., 426. 
Opegrapha atra, Pers., 61, 71, 74, 85. 
— — var. denigrata, Schaer., 68. 
— betulina, Sm., 66. 
— herpetica, Ach., 72. 
— saxicola, Ach., 130. 
— varia, Pers., 72, 79. 
Opegrapha vulgata, Ach., 66. 
Ophioglossum vulgatum, Linn., 282. 
Ophiopogon Clarkei, Hook. f., 482. 
— intermedius, D. Don, mentioned, 482. 
— Wallichianus, Hook. f., mentioned, 482. 
Ophiorhiza fasciculata, /J. Don, 470. 
— laxa, A. Gray, 24. 
— leptantha, A. Gray, 24. 
— peploides, A. Gray, 24. 
Orchideæ from Sikkim, 481. 
Orchis latifolia, Linn., 251. 
— — subsp. incarnata, Hook. f., 281. 
Oriole and Grevillea, 393. 
Oriolus larvatus, Licht., 393, 408. 
Orthotrichaceæ of Borneo, 308. 
Orthotrichum afline, Schrad., 83. 
— Lyellii, Hook. § Tayl, 64-66, 69, 72, 
78, 80, 84. 
— sp., 64, 65, 79. 
— stramineum, Hausch, 83. 
Orthostichopsis tetragona, Broth., 314. 
Osbeckia crinita, Benth., 462. 
Oscillaria nigro-viridis, Gom., 159., 
— prolitica, Gom., 202. 
— sancta, Atz., 202. 
Osmanthus suavis, King, 476. 
Ostodes paniculata, Blume, 480. 
Ostreobium Queketti, Born. у Flah., 165. 
Oxalis, Linn., 68. 
— corniculata, Linn., 464. 
Ozothalia vulgaris scorpioides, Kütz., 350. 
Panæolus papilicnaceus, Quél., 223. 
Pandorina Morum, Богу, 426, 427. 
Panicum Crus-galli, Linn., 280. 
Pannaria muscorum, Nyl., 214. 
— rubiginosa, Del., 62, 75, 80. 
— — var, cieruleo-badia, Mudd, 75. 
Pannariacez of Lancashire, 108. 
Pannularia nigra, Nyl, 108. 
Papaveracew from Sikkim, 462. 
Papia vitiensis, Seem., 29. 
Papilio dardanus, Brown, 389. 
Papilionaceæ from Sikkim, 466. 
Paraglossum epiglossum, J. Ag., 184. 
Pareugenia, Turrill%, 21 ; mentioned, 16. 
— Imthurni, Turrill *, 2]. 
Paris polyphylla, Sm., 483. 
Parmelia antarctica, Bitter, 211. 
— Borreri, Turn., 211. 
