BEAL ON .MICHIGAN FLORA. 33 



Ribes lacustre (Pers.) Poir. Swamp Gooseberry. 



Jiibcs oxyacanthoides lacustre Pers. 



Ribes oxyacanthoides L. Swamp Gooseberry. 



Ribes prostraiiim L'Her. Fetid Currant. 



Ribes roiundifolium Michx. Round-leaved Gooseberry. 



Ribes rubrum L. Red Currant. 



(Ribes rulntm subglandulosiim Maxim.) 



Rosa Arkansana Portei'. 



Rosa blanda Ait. 



Rosa Carolina L. Swamp Rose. 



Rosa Carolina X humilis C. F. Wheeler. A hybrid. 



Rosa Engelmanni S. Wats. 



Rosa humilis Marsh. Low Rose. 



Rosa Sayi Schwein. Say's Rose. 



Rosa setigera Michx. Prairie Rose. 



Rubus Americanus (Pers.) Britton. 



(Riibus trifl07-us Richards.) 



Rubus Canadensis L. Low Dewberry. 



(Ricbus Millspaughii Britton.) 



Rubus hispidus L. Running Swamp Dewberry. 



Rubus nigrobaccus Bailey. Blackberry. 



(Rubus villosus Ait.) 



Rubus occidentalis L. Black Raspberry. 



Rubus odoratus L. Purple Flowering-raspberry. 



Rubus parviflorus Nuti. Salmon-Berry. 



(Rubus l\utkanus Mocino.) 



Rubus setosus Bigel. Bristly Blackberry. 



Rubus strigosus Michx. Wild Red Raspberry. 



Salix adenophylla Hook. Tomentose Willow. 



Salix amygdaloides Anders. Peach-leaved Willow. 



Salix balsamifera (.Hook) Barratt. Balsam AVillow. 



Salix balsamifera lanceolata Bebb. 



Salix balsamifera vegeta Bebb. 



Salix Bebbiana Sargent. Bebb's Willow. 



(^alix rostrata Richards.) 



Salix Candida Fluegge. Hoary Willow. 



Salix Candida X cordata Bebb. A hybrid. 



Salix cordata Muhl. Heart-leaved Willow. 



Salix cordata X sericea Bebb. 



Salix discolor Muhl. Glaucous Willow. 



Salix discolor X eriocephala Anders. 



Salix discolor X prinoides (Purshi Anders. 



Salix fiuviatilis Nutt. Sandbar Willow. 



(Salix longifolia Muhl.) 



Salix fragilis L. 



Salix fragilis X alba Wimmer. 



Salix glaucophylla Bebb. Broad-leaved Willow. 



Salix glaucophyllaX angustitolia Bebb. 



Salix glaucophyllaX brevifolia Bebb. 



Salix humilis Marshall. Prairie Willow. 



Salix humilis X discolor Bebb. 



Salix interior X Wheeleri Rowlee. 



Salix lucida Muhl. Shining Willow. 



Salix myrtilloides L. Myrtle Willow. 



Salix myrtilloides X pedicellaris Anders. 



Salix nigra Marshall. Black Willow. 



Salix nigra falcata (Pursh) Torr. 



Salix petiolaris J. E. Smith. Petioled Willow. 



Salix petiolaris gracilis Anders. 



Salix petiolaris X Candida Bebb. 



Salix sericea Marsh. Silky Willow. 



Salix sericea X Candida Bebb. 



Salix tristis Ait. Dwarf Gray Willow. 



Salix viminalis L. Basket Osier. 



Sambucus Canadensis L. Purple-berried Elder. 



