150 



INDEX 



Page 



74 



75 



123 



123 



112 



112 



113 



113 



112 



113 



113 



67 



67 



138 



138 



simpsonii 138 



Samolus 132 



pauciflorus 132 



Saururus 112 



112 



Sagittarla — Continued. 



teres 



viscosa 



St. John's-wort 



St. John's-wort family. 



SALICACEAE 



Salix 



amphibia 



harbisonii 



interior 



longipes 



nigra 



SALVINIACEAE 



Salvinia family 



Sambucus 



canadensis 



cernuus 



Scirpus 



americanus 



atrovirens 



calif ornicus 



cubensis 



cyperinus 



debilis 



divaricatus 



eriophorum 



etuberculatus. 



fontinalis 



georgianus 



lineatus 



olneyi 



polyphyllus-.. 

 subterminalis. 



sylvaticus 



validus 



Scleria 



baldwinii 



georgiana 



gracilis 



hirtella 



paucifiora 



muhlenbergii. 

 verticillata 



91 



92 



93 



92 



93 



93 



92 



93 



93 



92 



93 



93 



. 93 



92 



93 



92 



93 



.._ 92 



98 



98 



98 



98 



98 



98 



98 



98 



Sclerolepis 139 



uniflora 139 



SCROPHULARIACEAE 135 



Scutellaria 135 



laterifolia 135 



Sedge family 84 



Setaria 



magna 



Sium 



cicutaefolium. 



suave 



Skullcap 



Smartweed 



SMILACACEAE. 



Page 



84 



84 



131 



131 



131 



135 



115 



109 



Smilax family 109 



Smilax 109 



laurifolia 109 



waiter! 109 



Snakeroot 130 



Soft-rush 108 



SPARGANIACEAE 68 



Sparganium 68 



americanum 69 



eurycarpum 69 



Spartina 81 



bakeri 81 



spartinae 81 



Spice-bush 124 



Spikerush 89 



knotted 90 



square-stemmed 90 



Spirodela 104 



polyrhiza 104 



Spurge family 121 



Star-grass, water 106 



Starwort, water 121 



Stillingia 121 



aquatica 121 



Stomoisia 137 



cornuta 137 



juncea 137 



Stonecrop, ditch 119 



Swamp-dock 114 



Swamp-potato 74 



Swamp privet 133 



Sweet-flag 102 



Switchgrass 83 



124 



68 



.... 68 



68 



111 



111 



geniculata HI 



Thallose liverwort family 67 



THEACEAE 124 



TitL.. 121 



Tamala 



Taxodium 



distichum 



imbricarium. 



Thalia 



dealbata 



