DIVISION EIGHT — SCIENCE. 



649 



PAGE 



Plagiobothrys 641 



Plaiitago 642 



Platanus 632 



Platystemon 634 



Pleurotus 620 



Pluteolus 620, 621 



Poa 628 



Podosporiella 61S 



Poison Oak 635 



Polycarpon 633 



Polygala 636 



Polygonum 632 



Poly podium 626 



Polypogon 628 



Polyporus 622 



Polystictus 622 



Polytrichum 625 



Pond-Weed 627 



Poplar 631 



Poppy 634 



Populus 63T 



Pore-fungi 621 



Portulaca 633 



Potamogeton 627 



Potentilla 638 



Primrose, Evening 638 



Protococcus 610 



Prunus 638 



Psathyrella 621 



Pseudopeziza 614 



Pseudotsuga 627 



Psoralea 639 



Pteris 625 



Pterogonium 625 



Pterostegia 632 



Ptiloria 646 



Puccinia 615 



Pucciniastrum 616 



Puff-Balis 618 



Purslane 633 



Pycnanthemum 641 



Quercus 631 



Radulum 623 



Rafinesquia., 646 



Ragweed 64^ 



Ramalina 614 



Ramilaria 617 



Ramona 641 



Ranunculus 633 



Raphanus 634 



Rattle-Weed 630 



Rhamnus 636 



Reus 635 



Rhynchostegium 625 



Rhytisma 614 



Ribes 637 



Riccia 624 



Rinodina 612 



Rock-Rose 635 



Rosa 638 



Rosellinia 612 



Rubus 638 



Rumex 632 



Russula 620 



Rusts 614 



Sac-Fungi 612 



Sage 641 



Sage, Black 641 



Sage-Brush 645 



Sagina 633 



PAGE 



Salix 631 



Salvia 641 



Sambucus 643 



Samolus 640 



Sanicula 636 



Saprolegnia 612 



Saxifraga 637 



Scabiosa 643 



Scale-Mosses 624 



Scenedesmus 610 



Schizophyllum 620 



Scirpus 629 



Scleroderma 518 



Scleropodiura 625 



Scolecotrichum 617 



Scrophularia 642 



Scutellaria 641 



Secotiura 618 



Sedge 629 



Selagfinella 626 



Senecio 645 



Septoria 616 



Setaria 627 



Shooting Star 640 



Sidalcea 635 



Silene 633 



Silybum 635 



Sisymbrium 651 



Sisyrinchium 635 



Sium 636 



Skull-Cap 641 



Smartweed 632 



Smuts 616 



Snapdragon 642 



Soap Plant 631 



Solanum 641 



Solidago 644 



Sonchus 646 



Sorghum 627 



Sorrel 632 



Sow-Thistle 646 



Spanish Bayonet 631 



Specularia 643 



Speedwell 642 



Spergula 633 



SphEerella 612 



Spheerocarpus 624 



Sphaeropsis 616 



Sphserotheca 612 



Spice-Tree 630 



Spikenard 637 



Spirillum 610 



Sporobolus 628 



Spumaria 610 



Spyrogyra 611 



Stachys 641 



Stellaria 633 



Stemphylium 618 



Stereum 623 



Sticta 613 



Stigeoclonium 612 



Stigmatea 613 



Stipa 628 



Strephanthus 635 



Stropharia 621 



Sumach 635 



Sunflower 644 



Sycamore 632 



Symphoricarpus 643 



Svnedra 611 



PAGE 



Taphrina 614 



Taraxacum 646 



Tar-Weed 645 



Teasel 643 



Tellima 637 



Tetradymia 645 



Thalictrum 633 



Theloschistes 614 



Thistle 645 



Thysanocarpus 634 



Tidy-Tips 643 



Tillaea 637 



Toad-Flax 642 



Toadstools 5i8, 619 



Toadstools, Dissolving 622 



Tolypothrix 609 



Torula 617 



Trametes 623 



Tremella 623 



Trichoderma 6n 



Tricholoma 6ig 



Trichostema 641 



Trifolium 639 



Trisetum 628 



Tropidocarpum 634 



Tubaria 620 



Tumble weed 632 



Tylostoma , 618 



Typha 627 



Ulothrix 612 



Umbellularia 633 



Umbilicaria 614 



Urceolaria 613 



Uredo 616 



Uromyces -.. 614 



Urtica 632 



Usnea 614 



Ustilago 616 



Vaucheria 612 



Velaea 636 



Verbascum 642 



Verbena 642 



Veronica 042 



Vetch 639 



Vicia 639 



Viola 635 



Violet 635 



Vitis 636 



Virgin's Bower 633 



Volvaria 620 



Walnut 631 



Water-Cress 635 



Webera 625 



WhiteCedar 627 



Wild Buckwheat 632 



Wild Rye 629 



Willow 631 



Woodwardia 626 



Wood-Sorrel 635 



Wormwood 645 



Yarrow 645 



Yerba Mansa 631 



Yerba Santa 641 



Yucca 631 



Zannichellia 627 



Zauschneria 638 



Zygnema 611 



Zygadenus 630 



47 



