INDEX. 
Ptilota Entoni, Schmitz, distrib., 153. 
— Harveyi, Hook. f., 190. 
Pulicaria dysenterica, Gaertn., 278. 
Punctaria lanceolatum, Kütz., 172, 200. 
— plantaginea, Grev., 172. 
Puccinia Violæ, DC., 158, 224. 
Pycnonotus layardi, Gurney, 387-389, 393, 
394, 396, 397, 431, 409, 414. 
Pylaiella litoralis, Æjelm., 174. 
Pyrenula nitida, Ach., 76, 79, 85. 
Pyrenulaceæ of Lancashire, 133. 
Pyrola rotundifolia, Linn., 281. 
Pyrus communis, Linn., 280. 
— foliolosa, Wall., 468. 
— Hedlundi, Lacaita *, 468; mentioned, 
461. 
— lanata, D. Don, mentioned, 461. 
Quercus lamellosa, Sm., 481. 
— pachyphylla, Kurz, 481. 
— pedunculata, Ehrh., 273. 
— Robur, Linn., 273, 281; as host-pl, 
280. 
— spicata, Sm., 481. 
Radula complanata, Dum., 66, 69, 85. 
Rainfall in White Island, N.Z., 43. 
Ramalina calicaris, Nyl., 108. 
— canaliculata, West, 61, lapsu = calicaris. 
var. canaliculata, Mudd. 
— farinacea, Ach., 58, 61, 65, 65, 69, 73. 
— fastigiata, Ach., 61, 63, 65. 
— flaccidissima, Pers., 217. 
— linearis, Ach., 213. 
— scopulorum, Ach., 213, 214. 
— — var. terebrata, Hook. f., 214. 
— terebrata, Tayl. $ Hook. f., 141, 213, 
214, 217. 
Randia fasciculata, DC., 471. 
— tetrasperma, Roxb., 471; mentioned, 
461. : 
Ranunculaceæ from Sikkim, 461; of Fiji, 
16. 
Ranunculus acris, Linn., 68. 
— circinatus, Sibth., 282. 
— diffusus, DC., 461. 
— flaccidus, Mook. f. § Thoms., 461. 
— Ficaria, Linn., 79. 
— Flammula, Linn , 281. 
553 
Ranunculus Lingua, Linn., on Danube, 
278, 279, 282. 
— repens, Linn., 61, 68, 462 ; new to 
Sikkim, 460, 462. 
— trichophyllus var. rigida, Pallis, 279. 
Reed, growth cycle, 251. 
Reed-swamp, open or closed, 257. 
veeds forming Plav, 238. 
Reindeer Moss, 121. 
Reproduction in Gnetum (Pearson), 55, 
56. 
— vegetative, of Fucoids, 360. 
Reproductive organs of Marsh Alzæ, 343. 
tesin-cells of Juniperus, 4, 5. 
Rhacopilacez from Borneo, 315. 
Rhacopilum spectabile, Reinw. & Hornsch., 
315. 
Rhamnacee of Fiji, 18. 
Rhamnus cathartica, Linn., 281. 
— Frangula, Linn., 280, 231. 
Rhaphidophora decursiva, Schott, 483. 
Rhaphidostegium lamprophyllum, Jaeg., 
321. 
Rhinanthus Crista-galli, Linn., 281. 
Rhizocarpon confervoides, DC., 130. 
— geminatum, 7. Fr., 206. 
— geographicum, DC., 57, 206. 
— petræum, Massal., 130. 
— — var. excentricum, A. L. Sm., 130. 
Rhizoclonium, Kitz., its function, 371. 
— ambiguum, Kütz., 165. 
— pachydermum var. maclovianum, Carls., 
162, 
— riparium, Harv., 374, 375. 
Rhizogoniaceæ of Borneo, 309. 
Rhizogonium medium, Besch., var. 
folium, 7Z'Aér.*, 309, 310. 
Rhodochorton 
191. 
— Rothii, Naeg., doubtful, 158. 
Rhynchostegium vagans, Jaeg., 322. 
laxi- 
membranaceum, Magnus, 
Rhododendron arboreum var, Campbelliæ, 
Hook. f., 472. 
— barbatum, Wall., 472. 
— campanulatum, D. Don, 
461. 
— — var, Wallichii, Hook. f., 472. 
— einnabarinum, Hook. f., 472. 
— Dalhousiæ, Hook. f., 473. 
— decipiens, Lacaita *, 473; mentioned, 
460, 474. 
mentioned, 
