INDEX. 
Psidium Guajava, 143. 
Guyava, 143. 
Ptelea viscosa, 140. 
Pteridophyta, 262, 279. 
Pteris aquilina, 126. 
cretica, 208, 212, 214. 
ensiformis, 154. 
Grevilleana, 412. 
quadriaurita, 154. 
, Var. digitata, 412. 
serrulata, 208, 211, 212, 283, 234, 
251, 363. 
Pterocarpus, 154. 
Pterochilus, 314. 
plantagineus, 342. 
Pterospermum suberifolium, 146. 
Ptychanthe, 108, 110, 111, 113, 114 
115, 118, 119, 120. 
Puccinia arenariicola, 90, 92, 93. 
caricicola, 91. 
"Caricis, 91, 92, 93. 
limosa, 91. 
microsora, 91. 
Phalaridis, 88, 90. 
Polygonorum, 254, 255. 
Rubigo-vera, 89. 
Scheeleriana, 91, 92, 93. 
sessilis, 89. 
sylvatice, 91. 
vulpina, 91. 
Puccini, 91, 92, 
on 57. 
upalia atropurpurea, 138. 
Pyrethrum Parthenium, 234, 364. 
sinense, 214, 216, 234. 
Pyrus Aria, 94. 
Eee 94, 95, 96, 99, 100. 
munis, 9c o, 96 f 
2o 100. 3, 94, 95, 96, 97, 93, 
Malus, 94, 95, 96, 97, 99, 100. 
torminalis, 94. 
vulgaris, 94, 97, 100. 
Quercus Robur, 442, 
ee 468. 
afflesiacese, (f 
Ralfsia, 452, 19 2 308» 460. 
clavata, 452, 453. 
spongio y d 
Ralfshroce’ pitas 452, 453. 
nunculacer, 419, 45 
nuneulus, 419. ee 
acris, 455, 
aquatilis, 459. 
arvensis, var, longispinus, 419. 
—, var. rostratus, 419. 
&uricomus, 457. 
bulbosus, 361, 362, 455. 
Ficaria, 376, 457, 463. 
491 
Ranunculus repens, 457, 463. 
sceleratus, 361, 362. 
‘i ee Tinospora cordifolia, 
51. 
Rata-bulat-wel, 134. 
Rathay's exper. culture with Gymno- 
sporangia, 94. 
Remarks on the Disease of Colocasia in 
Jamaica, D. Morris, 45. 
Report on the Disease of ‘ Cocoes T 
(Colocasia) in Jamaica, G. Maasee, 
46. 
Reseda odorata, 372. 
Rhamnicastrum, 153. 
Rhamnus Jujuba, 137. 
Napeca, 137. 
CEnoplia, 137. 
Rhinanthus indica, 145. 
Rhipelia, 55. 
Rhizophora conjugata, 142. 
Rhizophores, 449, 450. 
Rhodosporeze, 51. 
Rhus Cobbe, 154. 
Ribesioides, 153. 
Ricinus communis, 150. 
Ridley, H. N., A Revision of the Genera 
Microstylis and Malaxis, 308; Notes 
on Self-fertilization and Cleistogamy 
in Orchids, 389; On a new Genus of 
Orchidex from the Island of St. 
Thomas, West Africa, 197. 
Rivulariaces, 52, 53. 
Reestelia cancellata, 93, 95. 
cornuta, 98. M 
lacerata, 93, 95, 96, 100; Juniper 
infected with spores of, 95. 
Rosteliz, 93. 
Rolfe R. A, On 
Hybrids, 156. 
Rondeletia asiatica, 197. 
Rosa, 459. 
Rosacex, 80, 455, 457. 
Rothia trifoliata, 147. 
Rourea santaloides, 153. 
Rubiacez, 432, 455, 457. 
Rubus, 459. 
Ruellia antipoda, 145. 
ringens, 145. 
Rumex Acetosa, 456, 463. 
aquaticus, 456, 458, 463. 
crispus, 456, 463. 
obtusifolius, 458. 
Rungia repens, 134. 
Bigeneric Orchid 
Sabbatia, 2 
Sagenia, 259. 
Sarittaria sagittifolia, 459. 
Salix, 459. 
Salomonia cordata, 146. 
oblongifolia, 146. 
