Index to Vols. I-X. 
47 
Podalyria sericea, pollination (*), v. 342, 
Pogotrichum and Litosiphon : Two Irish Brown Algae (T. Johnson) (*), 
viii. 457. 
* hibernicum, description, viii. 458 ; sporangia (*), viii. 460 ; thallus 
viii. 461 ; vegetative reproduction, viii. 461. 
Polemonium caeruleum, water-pores on cotyledons, iii. 127. 
Pollen, enzymes in, viii. 225. 
— — grain and the Nutrition of the Pollen-tube, On the germination of 
the (J. R. Green), viii. 225. 
- — — Occurrence of diastase in (J. R. Green), v. 51 i. 
Pollination of Flowers. Bibliography, v. 403. 
Polyembryony in Erythronium americanum (E. C. Jeffrey) (*), ix. 537. 
Polygala bracteolata, pollination (*), v. 335. 
myrtifolia, pollination, v. 336. 
Polygonaceae occurring in Lord Howe Island, x. 249. 
Polygonum, Preliminary notes on Floral deviations in some species of 
(J. W. H. Trail), x. 627. 
Polypodiaceae discovered or described since 1874, v. 196; occurring in 
Grenada, vi. 97. 
Polypodiaceae occurring in Island of St. Vincent, v. 165. 
Polypodium angustissimum, sp. »., description, v. 472. 
Baldwinii, sp. n., description, v. 463. 
(Eupolypodium) brachyphlebium, sp. n., description, viii. 129, 
Clarkei, sp. n., description, v. 457. 
columbianum, sp. n., description, v. 470. 
(Eupolypodium) conjunctisorum, sp. »., description, viii. 129. 
Grossii, sp. n., description, v. 455. 
cyclophyllum, sp. n., description, v. 473. 
— Davidii, sp. «., description, v. 472. 
dentatum, sp. n., description, v. 456. 
dimorphum, sp. n ., description, v. 477. 
Endresi, sp. n., description, v. 468. 
— - fernandense, sp. n., description, v. 462. 
— Giaziovii, sp. description, v. 465. 
— glossipes, sp. n., description, v. 476. 
grandidentatum, sp. description, v. 479. 
(Dictyopteris) Hancockii, sp. «., description, viii. 127, 
hirtum, description, v. 458. 
induratum, sp. n., description, v. 475. 
lateritium, sp. »., description, v. 476. 
Lebeufii, sp. n., description, v. 461. 
leptophyllum, sp. n., description, v. 458. 
longibranchiata, revised description, v. 166. 
(Grammitis) ludens, sp. n., description, viii. 129. 
(Phymatodes) ludovicianum, sp. n., description, viii. 131. 
(Eupolypodium) Macgregori, sp. n., description, viii. 1 30. 
(Eupolypodium) malaccanum, sp. description, viii. 129. 
Mazei, description, v. 457. 
Metcalfei, sp. n description, v. 461. 
ningpoense, sp. n., description, v. 474. 
(Eupolypodium) oblanceolatum, sp. n., description, viii. 128, 
(Eupolypodium) oleandroides, sp. n., description, viii. 128. 
Parkinsoni, sp. «., description, v. 480. 
pentaphyllum, sp. «., description, v. 478. 
