42 Annals of Botany . 
Nuclei and Protoplasm in the laticiferous tissue of stem of Hevea 
brasiliensis, i. 77. 
- — — in embryo of Pilularia globulifera (*), ii. 258. 
in Lilium Martagon, The Formation of the Sexual: I. Oogenesis 
(E. Sargant) (*), x. 445. 
in the laticiferous tissue of Manihot Glaziovii (*), i. 55, 60. 
of Lilium longiflorum (H. H. Dixon), ix. 663. 
• of plants, On the reduction of the Chromosomes in the (E. Overton), 
vii. 139. 
Nucleoli and Centrosomes (J. E. Humphrey), viii. 373. 
the nature of, &c., ix. 561. 
Nursing of the Embryo and some other points in Myzodendron punctu- 
latum (T. Johnson) (*), iii. 179. 
Nyctaginaceae occurring in Lord Howe Island, x. 248. 
Nymphaea dentata, monstrous flowers, iv. 111. 
devoniensis, monstrous flowers, iv. 111. 
flava, polystely, x. 624. 
— — — Lotus, monstrous flowers, iv. no. 
Lotus, •var . monstrosa, description of specimens (*), iv. 106. 
Lotus, var. monstrosa, On a change of Flowers into Tubers in (C. A. 
Barber) (*), iv. 105. 
- — - stellata, pollination, v. 334. 
tuberosa, polystely, x. 624. 
Nymphaeaceae, polystely in, x. 289. 
The arrangement of the vascular bundles in certain (D. T. Gwynne- 
Vaughan), x. 624. 
O. 
Obituary notices, see Necrology. 
O’Brien, M. — The Proteids of Wheat, ix. 171, 543. 
Ocinum hians, pollination, v. 372. 
Octaviania, description of British species (*), iv. 31. 
Oftia africana, pollination (*), v. 371. 
Olacineae, elongation of the embryo-sac, iii. 197. 
Oleaceae occurring in Lord Howe Island, x. 242. 
Oliver, F. W. — On a new form of Trapella sinensis, iii. 134. 
On Sarcodes sanguinea, Torr. (with Plates XVII-XXI), iv. 303. 
On the obliteration of the sieve-tubes in Laminarieae (with Plates 
VIII and IX), i. 95. 
On the sensitive labellum of Masdevallia muscosa, Rchb. f. (with 
Plate XII), i. 237. 
On the structure, development, and affinities of Trapella, Oliv., 
a new genus of Pedalineae (with Plates V-IX), ii. 75. 
Phenomenon analogous to leaf-fail, i. 71. 
Oncidium splendidum, On abnormal flowers in (J. B. Farmer) (*), vi. 211. 
Onion-disease in Bermuda, The (A. L. Kean), iv. 170. 
Occurrence of Starch in (A. B. Rendle), ii. 224. 
On the vesicular vessels of the (A. B. Rendle) (*), iii. 169. 
Onoclea Struthiopteris, sporophylls (*), vi. 359. 
Ononis arvensis, insect-visitors, ix. 247. 
Oophyte in Trichomanes, Normal and abnormal developments of the 
(F. O. Bower) (*), i. 269. 
Ophioglossaceae occurring in Grenada, vi. 101. 
