182 TWELFTH ANNUAL REPORT. 



Additional Localities. 



Nelumbium luteum, Willd.: iu lake Pepin near Frontenac, Miss Manning, Mrs. Ray-^ 



Cardamine pratensis, L.; Winona county, Norton. 



Oxalis Acetosella, L.; Winona county, Norton. [Extending south in Michigan to- 

 lake St. Clair.] 



TrifoUum hybridum, L.; Minneapolis, A. W. Jones. 



Desmodium rotundifolium, DC; Winona county, Norton. 



Vicia satii-a, L.; Washington county, Minneapolis and Saint Cloud. 



Spiraea tomentosa, L.; Winona county, Norton. 



Myiiophyllum heteiophyllum, Michx.; West Saint Paul, Miss Butler. 



CEnothera fiuticosa, L.; Winona county, Norton; Waseca county. Miss Thrall. 



Beiula angustifolia, Koch ; Winona county (abundant in cold spring brooks, and 

 most abundant in the coldest water), Norton. 



Cephalanthus occidentalis, L.; Winona county, Norton. 



Houstonia purpurea, L,, var. ciliolata, Gray ; Winona county, Norton. 



Solidago ulmifolia, Muhl. ; Rice county (rare), Chaney. 



Ambrosia triflda, L., var. integrifolia, Torr. & Gray ; common in tlie Red river vaK 

 ley, Leiberg. 



Helianthus hirsutus, Raf . ; Rice county, Chaney. 



Coreopsis trichosperma, Michx.; Saint Cloud, Campbell. 



Lobelia cardinalis, L.; Owatonna, Steele county, Chaney. 



Asclepias verticillata, L. ; add : common south westward. 



Cyeloloma platyphyllum, Moquin ; bank of Cannon river, Northfleld, Rice county,, 

 Cha7iey. 



Chenopodium capitatum, Watson ; Stockton quarries, near VfinoDa, Holzinger, 



Froelichia Floridana, Moquin ; near Red Wing, Sandberg. 



Polygonum Virginianum, L.; Ramsey county, Oestlund. 



Dioscorea villosa, L.; Red river valley, Leiberg. 



Sporobolus asper, Kunth ; Minneapolis, Oestlund. 



Corrections in Nomenclature. 



Prof. C. S. Sargent has kindly permitted the perusal of proofs of his Catalogue of the 

 Forest Trees of North America, a report soon to be published tor the Tenth Census of 

 the United States, according to which several changes in nomenclature are required by 

 species in this catalogue, making them read thus : Quebcus obtusiloba, Michx. ; Q. 

 PRiNOiDES, Willd., (Q. Prinus, vars. acuminata, Michx., and humili>i, Marshall) ; Betu- 

 LA PAPYRiFEKA, Marshall (B. papyracea, Ait.) ; Alnus imcana, Willd. [only the type- 

 occurs here, while var. virescens, Watson (var. glauca, Regel, in part), ranges from the 

 Saskatchewan to British Columbia, and thence south in the mountains to New Mexicj] ; 

 Alnus serrulata, Willd. ; and Abies balsamka, Miller. Of Populus balsamifera, L.,. 

 var. candicans. Gray, Prof. Sargent writes: "Rare and perhaps unknown in a wild 

 state ; very common in cultivation." 



Review of the Catalogue. 



The total number of plants, including both species and varie- 

 ties, enumerated in this catalogue and appendix, is 1650, belonging, 

 to 557 genera, and representing 118 families or orders. Seven- 

 tenths of the whole are exogenous: of which 480 are polypetalous, 

 512 gamopetalous, 149 apetalous, and 14 gymnospermous. Of the- 

 remaining three-tenths 427 are endogenous, and 68 are vascular 

 cryptogams. 



One-twelfth of this flora consists of introduced species, number- 

 ing 138: of which 320 are exogenous, 54 being polypetalous, 44 

 gamopetalous, and 22 apetalous; and 18 are endogenous. The- 

 twelve orders contributing most to this number are Compositse, 18; 



