46 
Annals of Botany . 
ii. 242; foot-quadrant (*), ii. 257; fruit, ii. 235; leaf (*), ii. 
251; male prothallium and microspores (*), ii. 236; nuclei in 
embryo, structure and division (*), ii. 258 ; root-quadrant (*), ii. 253 ; 
stem-quadrant (*), ii. 255 ; young plant, growth (*), ii. 259. 
Pimpinella saxifraga, insect-visitors, ix. 245. 
Pinus monophylla, leaf-anatomy (M. T. Masters), ii. 124. 
Pinaster, mycorhiza, i. '334. 
— — silvestris, Fertilization of (H. H. Dixon) (*), viii. 21. 
On the Occurrence of two Prothallia in an ovule of 
(J. B. Farmer) (*), vi. 213. 
— reduction of chromosomes in (*), viii. 29. 
Piperaceae occurring in Lord Howe Island, x. 249. 
Pire, Louis. Obituary notice, i. 410. 
Pisum sativum, effect of sudden temperature-changes on growth, ix. 393 
et seq. ; effect of sudden turgor-changes on growth, ix. 372 et seq. 
Pitcher of Nepenthes, On the: a Study in the Morphology of the leaf 
(F. O. Bower) (*), iii. 239. 
Pitchered Insectivorous Plants, Observations on (J. M. Macfarlane). 
Part I (*), iii. 253 ; Part II (*), vii. 403. 
— — On Dr. Macfarlane’s observations on (F. O. Bower) 
(*), iv. 165. 
Pith, On the Change in Shape exhibited in water by Turgescent (A. Bate- 
son), iv. 1 17. 
Pittosporaceae occurring in Lord Howe Island, x. 232. 
Plagiochasma, nuclear division in the sporophyte (*), ix. 498. 
Planchon, J. E. — Review of his Ampelideae in Alph. and Gas. de Candolle’s 
Monographiae Phanerogamarum, Vol. V, Pars II, i. 195. 
Planchon, Jules-Emile. Obituary notice, ii. 423. 
Plantagineae occurring in Lord Howe Island, x. 248. 
Plantago lanceolata, geotropism, ii. 66. 
Plant-bearing Deposits, age of (+), ii. 179. 
Plasmodium of Badhamia utricularis and Brefeldia maxima (Arthur 
Lister) (*), ii. 1. 
— — of Brefeldia maxima (*), ii. 17. 
Plasmolysis, investigations on the tendrils of Cucurbita and Passiflora, x. 
382. 
Platycerium andinum, sp. n., description, v. 496. 
Plecosorus peruvianus, description, v. 213. 
Plectranthus calycinus, pollination, v. 374. 
Eckloni, pollination, v. 373. 
— — fruticosus, pollination, v. 373. 
glaucocalyx, pollination, v. 375. 
laxiflorus, pollination, v. 374. 
Melleri, pollination, v. 374. 
tomentosus, pollination, v. 375. 
Plectronia ventosa, pollination, v. 355. 
Plum, The influence of fruit-bearing on the development of mechanical 
tissue, x. 524. 
Plumbagineae, The Mucilage- and other Glands of the (J. Wilson) (*), iv. 
231. 
Plumbago, mucilage-glands (*), iv. 246 ; of the seedlings (*), iv. 250. 
Podalyria calyptrata, pollination (*), v. 342. 
canescens, pollination (*), v. 342. 
cuneifolia, pollination (*), v. 343. 
