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INDEX. 



539 



Page 



Nutmegs, wild, sown by pigeons, 

 remarks on 77 



Objects of the diversities in mode 

 of arrangement of flower, Dr. 

 Masters on 471 



Occurrence of staminal pistillody 

 in an Acanthad, by L. Le Mar- 

 chant Moore 86 



Oehna macrocalyx 90 



Oevnium canum, var. ?, 91 ; sp. 

 near O. obovatum, 91 ; sp. unde- 

 termined, from Tanganyika, 91. 



Odontidium hyemale . . . . . 57 



Oil and protoplasm in food-bodies, 



401, 402 



Olacacese absent in Darjeeling, 135 ; 

 relative position of perianth &c, 

 471. 



Oldenlandia, sp., near O. parviflora, 

 from Tanganyika 91 



Olea, sp. P of Tonglo 144 



Oleaeese and Salvadoracese, G. Ben- 

 tham on 14 



Oleaceons groups, G. Bentham . 1 



Oleandra articulata,419 ; Walliehii, 

 157. 



Oleinese, structure and distribution 16 



Oliver, Prof. D., enumeration of 

 plants collected by Lieut. Came- 

 ron around Tanganyika, 90 ; list 

 of New-Guinea plants, 29 ; re- 

 marks on Dr. Kirk's species of 

 Hibiscus from E. Africa, 479. 



Olpidium caudatum, Reins ch, 

 n. sp 215 



O'Meara, the Eev. E., on the di- 

 atoms of Kerguelen .... 55 



On a collection of ferns made by 

 Mr. Pool in Madagascar, bv J. 

 O.Baker . . 411 



Onagraecse 149 



On a new genus of Turneraeese from 



Rodriguez, by 1. B. Balfour . . 159 

 On Edgaria, a new genus of Cucur- 



bitacea?, by 0. B. Clarke . . .113 

 On Lichens collected by Prof. Cun- 

 ningham in Falklands, Fuegia, 

 Patagonia, and Chiloe island 

 during voyage of H.M.S. ' Nassau, 

 by the Rev. J. M. Crombie . . 222 

 On lichens collected by Mr. Pool in 

 Madagascar, by the Rev. J. M. 



Crombie 409 



On some Orchidaeese collected by 

 Mr. Moseley, * Challenger ' e*pe- 

 dition, in Admiralty Islands, 

 Ternate, and Cape York, one of 

 which forms the type of a new 



Page 

 section of the genus Dendrobiuin, 

 by Prof. H. G-. Eeichenbaeh . .112 



On the characteristic colouring- 

 matters of the red groups of 

 algse, by H. C. Sorby .... 34 



On the diatomaceous gatherings 

 made at Kerguelen's Land .by 

 H. N. Moseley, of the ■ Challen- 

 ger,' by the Kev. E. O'Meara . 55 



On the digestive ferment of Nepen- 

 thes, by S. H. Vines .... 427 



On the distribution of the Monoco- 

 tyledonous orders into primary 

 groups, by G. Bentham . . . 490 



On the genus Hoodia, with a dia- 

 gnosis of a new species, by W. T. 

 Thiselton Dyer 248 



On the glandular bodies on Acacia 

 sphaerocephala and Cecropia pel- 

 tata serving as food for ants, 

 with an appendix on nectar- 

 glands of Pteris aquilina, by 'P. 

 Darwin 398 



On the plant yielding Latakia To- 

 bacco, by W. T. Thiselton Dyer 246 



On the Polynesian ferns of the 

 'Challenger' expedition, by J. 

 G. Baker 104 



Opegrapha difficilior, NyL, n. sp., 

 443 ; parvula, Nyl-> n. sp., 

 179. 



Oplieha cliirata, 143 ; paniculata, 

 143. 



Ophioglossum pendulum . . 76, 111 



Ophiorrhiza rugosa ? and sp. ? . . 149 



Ophiotheca bicolor, Berk. &c 

 Broome, n. sp., 84 ; Wrightii, 84. 



Orchidese, a defined order of Mo- 

 nocotyledons, 493 ; of Admiralty 



Islands &c, 76, 112 ; of Sikkhn, 



120. 



Orders of Monocotyledons, group- 

 ing of, by G. Bentham . . . 41>1 



Orthocajsia, subgenus of Ceesia . . 358 



Orthosira marina 57 



Orthotrichum atratum,Af/^., n. sp., 



66 ; crassifolium, 66, 194 ; rupes- 

 tre, 194. 



Osbeckia crinita 149 



Oscillaria gracillima ..... 489 

 Oscillariacea?, 34, 47, 240, 245. 

 Oscillatoria nigra, soluble colour- 

 ing-matter of, 35 ; spectral bands 



of (woodcut), 36. 

 Osmundese of New Zealand . . . 426 

 Otiona Aitonia . ^ ..... 61 



Padina Commersonii, 450 ; pavo- 

 nia, 235, 238, 241, 213, 455. 



