307 
salis peruviana 597.* Physcomitrium sphaericum 15. Physogeton 
293.” Phytelepbas 14. Pinites jurassieus 231,” pertinax 232.” Pi- 
- nus ceretacea 31, exogyra 31, Larix 393, Merkusii 765, Pumilio 638, 
Reussii 31, sumatrana 763, 765, sylvestris 393, 451. Piper Betle 
785, nigrum 785, sp. n. 470.* Piperaceae 470, 772. Pittesporum 
floribundum 662. Plantagineae 170. Plantago argentea et affınes 
160, lanceolata 8. montana 372," maritima 372,* media 200, seta- 
cea 372, sp. nov. 476.” Pleurococeus 564. Plumbago sp. n. 476.* 
Poa hybrida 15, nemoralis 453. Podostaurus 506.* Podostemeae 
93. Poblia uliginosa 15. Polygala ealcarea 588. Polygonum Bis- 
torta 80, maritimum 373, Raji 373, sp. nov. 472,* truncatum 471.* 
Polyosma 603. Polypodiaceae 317. Polypodium sp. n. 318.* Po- 
lyporus deerescens 304,” sp. n. 304,* 305,* semipellucidus 305. Po- 
Iysiphonia cervicornis 776.* Polystichum acrostichoides 586. Pon- 
gamia sp. n. 701.* Porana elegans 597.* Porphyra laciniata et vul- 
garis 386. Porphyroglossum 'Zollingeri 775.* Portesia echinocarpa 
719.* Potentilla Buquoyana 181,* cinerea 79. Petbos sp. n. 469.* 
Pottia acaulis 15. Prenantbes affinis 518,* longifolia 518.* Prevo- 
stea sericea 717. Primula acaulis 590, 724, elatior 590, imperialis 
523, 600, scotica 724. Protococeus atlanticus 129. Prunus Cerasus 
79. Psamma arenaria 392. Pseudarthria viseida 700. Psidium py- 
riferum 787,- sumatranum 751. Pteris armata 319,* caudata 318.* 
‚Pterocarpus sp. n. 701.* Pteronia marginata 508.* Pterophylla 231. 
Pteropyrum '290. Pterospermum javanicum 521.* Pugionium corau- 
tum 725." Pyrola maritima 246. Pyrus nivalis 79. 
Quercus pedunculata 654, turbinata 736. 
Ramalina fastigiata 393. Ranunculus aquatilis 324, glacialis 
438, tripartitus 715.” Raphanistrum 324. Raphanus 224. Raphia 
vinifera 93. Rhabdoweisia 513. Rhinanthaceae 670. Rhizoclinium 
setacenm .716.* Rhizomorpha sp. nov. 300.* Rhodea 393. Rhodo- 
dendron 93. Rhus elegans 393. Rhynchosia mollissima 700* Ri- 
bes rubrum 448. Rieinus communis 757. Rosa semperflorens 497. 
Rottboellia exaltata 488.- Rottlera 662. Rubi 145, 246, 268, 324, 
356, 358, 449. Rubiaceae 592. Bubus pruinosus 665.* Ruellia 
napifera 599,* nemorosa 599.* Rumex Aceiosa 450. 
Saccharım Klaga 488. Sagenopteris 34. Saginae 156. Sagus 
Runsphii 525. Salix angusta 31, argentea 350, glauca 450, lanata 
450, macrophylla 31, ovata 451, phylieifolia 450. Saluzzia 551. Sal- 
via mexicana 175. Samara 587. Sapindaceae 605. Sargassum be- 
miphylloides 774.” Saxifraga cernua 448, stellaris 8. comosa 448. 
Schistidium pulvinalum 15. Schistostega pennata 275. Schizolepis 
liaso - keuperinus 83. Schizothrix aurantiaca 773.” Schoenus mucro- 
natus 550. Schrankia hamata 705. Sclerostyli gen. affın. n. 485.* 
Scrophularia Neesii 588. Secale cornutum 280. Sedites Rabenhorsti 
31. Sedum Fabaria 585. Seligeria 512. Senecio pyrophilus 536.7 
Senftenbergia Moritziana 164. Sison verticillatum 610. Smithia ' 
