685 



Podospermum Tenorii, 530. 



Podostemaceae (Philippines), 291. 



Pcecilostaehys geminatum, 453; Hilde- 

 brandtii, 454. 



Pcederia Tacpo, 312. 



Pogonia (Madagascar), 456 ; Rensch- 

 iana, 498 ; Thouarsii, 498. 



Pollen from Egyptian Tomb, C. F. 

 White on, 251. 



Pollinia (Parasnatb), 253. 



Polyaltliia, 319; Chapellieri, 318; la- 

 cens, 318. 



P.dybotrya, 662. 



Polyedrium minimum, 248. 



Polygala, 212; aniara, 321; pilosa, 

 3 U ; spinescens, 212, 213, var. Aspa- 

 latboides, 212. 



Polygaleae, of Patagonia, 212 ; of Philip- 

 pine;', 290. 



Polygonaceae, of Patagonia, 233; of Phi- 

 lippines, 291. 



Polygonal urn oppositifolium, 391 ; 

 punctatum, 391 ; verticillatum, 391. 



Polygonium braehypodum, 435 ; Meiss- 

 nerianum, 435. 



Polygonum camporum, var. australe, 

 233. 



Polyides, continuity of protoplasm in, 

 606, 007, 614"; rotundatus, 605, 

 618. 



PoJypetahr, 317. 



Polypodiuui fliiccigernm, 299 ; irioides, 

 374; latnarioides, 3(X); longifolium, 

 299 ; palmatum, 299 ; papillosum, 

 299; sessilifolium, 299; simplicifo- 

 Kum, 297 ; splendens, 299 ; steuo- 

 phyllum, 299. 



Polypogon monspeliensis, 237. 



Polypothrix amphibia, 2-13. 



Polysiphonia, continuity of protoplasm 

 in, 603 ; fastigiata, 604, 012, 617, 620 ; 

 nigrescens, 612, 613, 015, 020 ; urceo- 

 lata, 604 617. 



Polystaehya of Madagascar, 450, 473 ; 

 anceps, 473 ; cultrata, 473 ; Jussieu- 

 iana, 475; luteola, 474, 475 ; minuti- 

 flora, 475 ; rosea, 474 ; rosellata, 475 ; 

 virescens, 474. 



Polystichum angulare, 302, var. pul- 

 cherrimum, 362, 366, 368 ; apospory, 

 and prothalloid growth in this Aar., 

 363. 



Polytriehacea?, 552. 



Polyxias Cumingiana, 310. 



Poutederiaceae (Philippines), 292. 



Popomia, 319. 



Populus italica, crystals in, 621. 



Portulaca oleracea, 373; (Philippines) 



290. ^ 



Posidunia caulinia, 520. 



petiolaris, 

 266 ; of 



Pothos inasquilaterus, 299. 

 Premna obtusifolia, 373. 

 Primula rotundifolia, 389 ; 



389 : var. (? sp.), 389. 

 Primulaceae, of Patagonia 



Tonglo, 389. 

 P roc] is grandis, 299. 

 Prosopis juliflora, 303. 

 Proteacea; (Philippines), 292. 

 Prothallus, reproduction of (Ferns), 



363. 

 Protococcacese (Afghan), 248. 

 Protococcus, 242, 262. 266, 267, 275 ; 



(Afghan), 248 ; viridis, 262, 266. 

 Protoplasm, continuity in, S. le M. 



Moore on, 55)5, 621 ; Hicks'e and 



Masse's methods, 617. 

 Prunua nepalensis, 3S8. 

 Pseudopycreus, 72. 

 Psilocarya Candida, 450. 

 Psoralea badocana, 29(5 ; foliosa, 399 ; 



hypnorum, 277, 28.'!. 

 Psorospermum cerasi folium, 324 ; disco- 

 lor, 323 ; leptophylluin, 323 ; tricho- 



pliyllum, 323. 

 Psychotria lucidula, 413; malayana, 



312; mesentericarpa, 412; sp.. 373 ; 



Tacpo, 312. 

 Pteris, 299 ; atrovirens, 657 ; biaurila, 



657 ; cretiea, 364, 657 ; Fraseri, 656 ; 



hibernica, {>5C>, 657; ludens, 290; 



quadriaurita, 657; spinulifera, 657; 



tripartita, 374. 

 Plernandra, 2N7. 

 Pter icarpus erinaceus, 309 ; Vidalianus, 



309. 

 Ptilophyton Vanuxemi, 564, 565. 

 Ptilota," continuity of protoplasm in. 



610; sericea, 608, 015, 619. 

 Puccinia, develop, of uredospores in P. 



graiuineis, 369. 

 graminis, 369 ; obscura, 369 ; 



rubigo-vera, 369. 

 Pycreus, 16, 19, 20, 21, 22, 23, 33, 35, 



3<>; angulatus, 60; albo-rnarginatus, 



69 ; capillaris, 48 ; diffusus, 82 ; 



Elliottianus, 62; flavescens, 37; in- 



firmus, 62; hevigatus, 77 ; Maximi- 



liana, (52 ; megapotarnicus, 68 ; mu- 



cronatus, 77 ; Olfersianus, 55 ; pan- 



nonicus, 80 ; paracusis, 38 ; poly- 



stachyus, 51; prapinquus, 62; pul- 



vinatus, 44 ; pumilus, 46 ; retusus, 



71 ; squarrosus, 04. 



, subgen. of Cyperus, 33, 35. 



Pyrenacantba chlorantha, 331. 

 Pyrenomycetes, 267- 

 Pyrus, 2*17; Miolosa, 388; lanata?, 

 "388; malus, 217; mieropbylla, 388; 



rhamnoides, 388 ; vestita, 388. 



