750 



INDEX. 



Biatora 



rufonigra Tuck., 3, 17, 266, 282, 



287, 288, 289, 322, 665 

 russellii Tuck., 297 

 sanguineoatra (Fr. ) Tuck., 267 

 schweinitzii Fr., 229, 268 

 sphseroides (Dicks.) Tuck., 230, 



267, 680, 702 

 subfusca Fr., 303 

 suffusa Fr., 281, 323, 702 

 trachona Flot., 299 

 turgida (Fr. ) Nyl., 227 

 turgidula (Fr. ) Nyl., 267, 671, 700 

 uliginosa (Schrad. ) Fr., 267, 294, 



323, 673, 701 



varians (Ach.) Tuck., 323, 680, 701 

 vernalis (L.) Fr., 266, 680, 700 

 viridescens (Schrad.) Fr., 266, 



679, 700 

 Bicuculla cucullaria (L. ) Millsp. , 362, 



388, 555 

 Bidens cernua L,., 597 



comosa (A. Gray) Wiegand, 358, 



362, 368, 414 

 frondosa L., 358, 362, 414, 425, 



597, 626 

 laevis (L.) B.S.P., 358, 4M, 597, 



626 



Bignoniaceae, 82, 124 

 Blepharostoma trichophyllum (L. ) 



Dutnort, 193 



Blephila hirsuta (Pursh) Torr., 404 

 Boltonia asteroides (L. ) L'Her., 411, 



626 



Boraginaceas, 403, 590 

 Botrychium lunaria (L- ~) Sw., 362, 369, 



619 



virginianum (L. ) Sw., 616 

 Botrydium, 198 

 Botryococcus, 614 

 Boutelouacurtipendula (Michx. )Torr., 



367, 375, 574 

 hirsuta Lag., 367, 375 

 oligostachya (Nutt. ) Torr., 21, 22, 



574 

 Brachyactis angustus (Lindl. ) Britton, 



596 



Brachypuccinia, 543, 548 

 Brachythecium, 36 



campestre Sch., 49 



flexicaule Ren. and Card., 49 



Brachythecium 



orycladon (Brid.) Grout, 49 

 plumosum Sch. (?), 49 

 salebrosum Sch., 49 

 starkei Sch., 49 

 Brassica arvensis (L. ) B.S.P., 389 



nigra (L.) Koch, 388, 622, 627, 628 

 Brauneria pallid a, 20, 21 

 Bromus ciliatus L., 375, 549, 574 

 kalmii A. Gray, 375, 574 

 purgans L., 574 

 secalinus L., 375 

 Broussonetiapapyrifera (Linn.) Vent., 



?* 85, 87, 94, 130, 131, 132, 133 

 Buellia, 6, 221, 227, 282, 283, 665, 672, 



674 

 alboatra (Hoffm.) Th. Fr., 270, 



303, 324, 671, 704 

 var. saxicola Fr., 281, 298, 299, 



324 



dialyta (Nyl.) Tuck., 230, 271 

 geographica (Pers. ). Tuck., 232, 271 

 myriocarpa (DC.) Mudd. , 230, 



271, 324, 673, 704 

 var. polyspora Willey, 230, 



271, 704 



parasema (Ach.) Th. Fr., 270, 303, 

 306, 324, 671, 672, 673, 675, 

 704 



var. triphragmia Nyl., 271 

 parmeliarum (Sommerf. ) Tuck., 



230, 272 



petrsea (Plot., Koerb.) Tuck., 3, 



17, 223, 224, 233, 271, 282, 



287, 289, 325, 662, 664, 704 



var. grandisFloerk.,17,229,271 



var. montagnaei, 17, 233, 271, 



285, 325, 664, 704 

 pullata Tuck., 278, 281, 282, 285, 



287, 3 2 5, 664, 704 

 spuria (Schoer. ) Arn., 17, 285, 287, 



289, 324 

 turgescens (Nyl.) Tuck., 281, 306, 



325 



Bursa bursa-pastoris (L.) Britton, 137, 



142, 389 

 Butneria fertilis (Walt.) Kearney, 73, 



85 

 florida (Linn.) Kearney, 72, 85, 87, 



loo, 130, 131, 132, 133 

 Butomineae, 651 



