48 
Annals of Botany . 
Polypodium Pinwillii, sp. n., description, v. 460. 
Playfairii, sp. n., description, v. 474. 
remotum, sp. n., description, v. 470. 
rheosorum, sp. n., description, v. 457. 
— ■ — Sampsoni, sp. n., description, v. 471. 
— — Sauvinieri, sp. n., description, v. 480. 
Scortechinii, sp. n., description, v. 477. 
(Eupolypodium) stenobasis, sp. «., description, viii. 130. 
(Grammitis) sucklingianum, sp. n., description, viii. 128. 
• (Phymatodes) sumatranum, sp. n., description, viii. 1 3 1 . 
Thurnii, sp. #., description, v. 476. 
universe, sp. n., description, v. 464. 
Willsii, description, v. 458. 
Wrayi, sp. «., description, v. 473. 
Polysaccum, description of British species (*), iv. 52. 
Polysiphonia fastigiata, development of the cystocarp (*), ix. 299. 
— — nigrescens, development of the cystocarp (*), ix. 297. 
thuyoides, development of the cystocarp, x. 200. 
violacea, development of the cystocarp (*), ix. 300. 
Polystely, A new case of, in Dicotyledons (D. T. G wynne- Vaughan), 
x. 289. 
in Dicotyledons, Origin of (D. H. Scott), v. 514. 
Polystichum, hybrids (*), iii. 29. 
Polytrichum commune, absorption of water, i. 148 et seq. ; stomata (*), v. 6. 
formosum, absorption of water, i. 148 ; transpiration of sporophore 
of, i. 73. 
Pontederiaceae, Hydrothrix, a new genus of (Sir J. D. Hooker) (*), i. 89. 
apical meristem in roots of (S. Schonland) (*), i. 179. 
Porphyraceae, revised list of British marine, v. 86. 
Potentilla Tormentilla, insect-visitors, ix. 247, 266. 
Pothocites, notes on (+), x. 209. 
Power of Contractility exhibited by the protoplasm of certain plant-cells 
(W. Gardiner), i. 362. 
Prain, D. — On the Synonymy of Anthocoma flavescens, Zoll., vi. 214. 
Preliminary note on the formation of Gemmae on Trichomanes alatum 
(F. O. Bower), i. 183. 
Preservation of colours of flowers in dried specimens (S. Schonland), 
i. 178. 
Prickle-pores of Victoria regia (J. H. Blake), i. 74. 
Priestleya villosa, pollination, v. 343. 
Pringsheim, N. — Review of his Ueber die Abhangigkeit der Assimilation 
griiner Zellen von ihrer Sauerstoffathmung, und den Ort, wo der im 
Assimilationsacte der Pflanzenzelle gebildete Sauerstoff entsteht, i. 371. 
Proangiosperms, v. 451. 
Procarpium and Fruit in Gracilaria confervoides, Grev. (T. Johnson) (*), 
i. 213. 
Progymnosperms, v. 451. 
Protea cordata, pollination (*), iv. 276. 
grandiflora, pollination (*), iv. 276. 
incompta, pollination (*), iv. 274. 
lepidocarpon, pollination, iv. 275. 
mellifera, pollination (*), iv. 275. 
Proteid in the cells of Euphorbia splendens, On Aggregations of (R. E. Fry), 
v. 413- 
