488 
Odontoglossum bictoniense, 163. 
CEceoclades maculata, 389, 394, 395. 
(Edogoniacex, 58. 
(Edogonium, 59. 
CEnothera amoena, 69. 
biennis, 70, (seedling) 71, (cotyle- 
dons) 72. 
bistorta (seedling), 62, 71, 72. 
fruticosa, 72. 
glauca, 72. 
Lamarekiana, 72. 
Lindleyana, (9. 
linearis, (cotyledons) 72. 
micrantha, 70, 72, (seedling) 73. 
pumila, 72. 
rosea, 72. 
serotina, 72. 
stricta, 65, 66. 
taraxacifolia, 67, 68. 
tenella, 69. 
Olax zeylanica, 135. 
Oldenlandia biflora, 137. 
corymbosa, 137. 
Heynei, 137. 
paniculata, 137. 
umbellata, 137. 
Oligotrichum, 264. 
Onagraceze, 455. 
Onagrariez, seedlings of, 62. 
Oncidiex, 166. 
Ononis arvensis, 457. 
Onychium japonicum, 411. 
——, rar. multisecta, 411. 
Oophycesz, 55, 57, 58. 
Oosporez, 49. 
Ophioglossum flexuosum, 151. 
reticulatum, 418. 
scandens, 151. 
vulgatum, 464. 
Ophiorhiza Mungos, 153. 
re ga? kg serpentinum, 153. 
Ophrydez, 200, 393. 
Ophrys apifera, 390, 394. 
bulbosa, 318. 
ensifolia, 326. 
latifolia, 318. 
lilifolia, 318. 
macrostachya, 331. 
monophyllos, 318. 
paludosa, 348. 
8capo nudo, 318. 
Oplismenus compositus, 135. 
Opuntia, 449. 
Orange, 445. 
Orchidacese, 156, 158, 448. 
Orchidex, 197, 200, 458. 
from the Island of St. Thomas, 
West Africa, H. N, Ridley, 197. 
Orchid Hybrids, Ou Bigenerie, R. A. 
Rolfe, 156. 
INDEX. 
Orchis, 463. 
cubitalis, 149. 
Morio, 458. 
strateuinatica, 149. 
Oreorchis, 308. 
Orestias (misprinted Orestia), 197, 200. 
elegans, 198, 200. 
Ornithogalum nutans, 376. 
umbellatum, 376. 
Orophanes, §, 183. 
Oroxylum indica, 145. 
Orthoceras stricta, 394. 
Orthosiphon glabratus, 155. 
Osbeckia aspera, 141. 
octandra, 141. 
Oscillaria, 188, 189. 
rinceps, 190, 192. _ : 
Oscillaria and Tolypothrix, On Nuclei 
in, D. H. Scott, 188. 
Oscillariacez, 52. 
Osmunda zeylanica, 151. 
Oxalis Acetosella, 203, 206, 207, 210, 
212, 214, 234, 250, 364, 371. 
corniculata, 154. 
sensitiva, 142. 
Oxycoccoides, 154. 
Pachysa, 8. 180, 181. 
Pachyspirz, 425. 
Palgomorpha, 38, 39, 40, 42, 43. 
Palisade-cells, position of the chloro- 
phyll of (Moore), 376. 
Palmstruckia, 172. 
capensis, 171. 
Panaghas, 154. 
Pancratium zeylanicum, 139. 
Pandanus odoratissimus, 139. 
Pandorina, 54. 
Pandorinez, 54. 
Pangiri-mana, 136. 
Panicum, 407, 408. 
antidotale, 407. 
arborescens, 135. 
cayennense, 407. 
compositum, 135. 
glaucum, 135. 
ovalifolium, 135. 
prostratum, 407, 408. 
rude, 407. 
Panicum supervacuum, sp. nova, On, 
by C. B. Clarke, 407, 408. 
Papaver, 419. 
clavatum, 420. 
commutatum, 420. 
polytrichum, 420. 
Rhoeas, 420. 
, var. pinnatum, 419. 
, var. Syriacum, 419. 
stylatum, 420. 
umbonatum, 420. 
