INDEX. 



777 



Strophostyles helvola (L. ) Britton, 



394, 427, 541 

 Styracaccie, 82 

 Symphoricarpos occideiitalis Hook., 



430, 593 



racemosa Michx., 429 

 symphoricarpos (L. ) MacM., 429, 



593 



Syuchytrium, 196 

 Syndesmon thalictroides ( L. ) 



Hoffmg., 363, 387 

 Synedra, 6n 



pulchella (Ralfs.) Kg., 613, 614 



ulna (Nitzsch. ) Ehr., 613, 614 



Syntherisma sanguinalis (L.) Nash, 



374 

 Syringa vulgaris L., 430 



Tabcllaria fenestrata, 614 



fenestrata Lyndb. Kg. vnr. inter- 

 media Griin, 613 



flocculosa, 614 

 Tagetes, 89 

 Tanacetum, 545 



vulgare L., 414 

 Taraxacum taraxacum (L. ) Karst., 



409, 424, 548, 593 

 Taxaceae, 373 



Taxus minor (Michx.) Britton, 373 

 Tecoma, 126 



radicaus (Linn.) DC., 82, 85, 87, 



124, 130, 131, 132, 133 

 Tetraphis pellucida Hedw., 42 

 Tetragonanthusdeflexus (J. E. Smith) 



Kuntze, 551 

 Tetraspora, 617 



cylindrica (Wahlenb. ) Ag., 26 

 Teucrium canadense L., 358, 403, 590 

 Thalesia uniflora, 369 

 Thalictrum L., 509, 550 



adiantifolium Bess., 513 



adriantoides Hort., 513 



alpinum Linn., 512 



aquilegifolium Linn., 514, 515 



ceesium Greene, 517 



campestre Greene, 516 



Carol i n ianu)n Bosc., 515 



caulophylloides Small, 516 



clavatum DC., 512 



clavatum Hook., 512 



coriaceum Small, 516 



Thalictrum 



Cornuti Torr. & Gray, 514, 515 

 var. a Hook., 513 

 var. /? Hook., 514 

 macrostylum Shuttle., 514 

 var. monostyla Bot. Zeit., 514 

 corynellum DC., 514 

 Cuernavacanum Rose, 518 

 dasycarpum Fisch. & Lall., 513 

 debile Buckley, 515 



var. Texanum Gray, 515 

 dioicum L., 363, 388, 515, 555 

 var. coriaceum Britton, 516 

 var. oxycarpum Torr., 516 

 Fendleri Brew. & Wats., 517 

 Fendleri Engelm., 517 

 Fendleri I. M. Macoun, 516 



var. platycarpum Trelease, 



517 



var. polycarpum Torr., 517 

 var. Wrightii Trelease, 517 



filipes Torr. & Gray, 512 



Galeottii Lee., 520 



gibbosum Lee., 520 



glaucum Desf., 513 



grandiflorum Rose, 519 



grandifolium Rose, 519 



grandifolium Wats., 522 



Guatemalense Rose & DC., 519 



Hernandezii Tausch., 520 



Hernandezii, 521 



hesperium Greene, 517 



Jaliscanum Rose, 518 



Kemense Fries, 513 



lavigatum Michx., 515 



lanatum Lcc., 520, 521 



leucostfinon Koch. & Bauch, 514 



longist \lutn DC., 519 



macrostylum Small & Heller, 514 



Madrense Rose, 521 



minus Linn., 513 



var. Kemense Trelease, 513 

 var. adiantifolium Hort., 5f3 

 var. elatum Lee., 513 



nudicaule Schweinitz, 512 



occidentale Gray, 516 



Pachucense Rose, 519 



papillosum Rose, 521 



peltatum DC., 517 



petaloideum Linn., 512 



pinnatum Wats., 521 



