52 



Walt. 



mild. 

 Mich. 



2 asphodeloides > 



xerophyllum Mich. $ 

 HEUCHERA 



americana 7 



cortusa Mich. 5 

 HUBISCUS 



1 manihot 



2 moscheutos 



3 palustis 



4 riparius Pers. 



militaris Cav. 



5 virginicus 

 HIERACIUM 



1 gronovii 



2 marianum 



scabrum 

 S panic ulatum 

 4 venosum 



HIPPOPHA.E 



canadensis 

 HIPPURIS 



vulgaris 

 HOLOSTEUIVf 



succulentum 

 HOTTONIA 



palustris 

 HOUSTONIA 



1 coerulea 



2 longifolia 



3 purpurea 

 HUDSONIA 



ericoides 

 HYDRASTIS 



canadensis 

 HYDNUM 



imbricatum 

 HYDROPELTIS 



purpurea Mich. 

 HYDROPHYLLUM 



1 scabrum Muhl. 



2 virginicum 

 HYPER ICUM 



1 ascyroides 



macrocarpon Mich. 

 bartramicum 



2 grass leaved 

 HEUCHERA 



purple flowered 

 HIBISCUS 



1 palmated 



2 'poplar leaved 



3 marsh 



4 smooth 



5 river 

 HAWKWEED 



1 Gronovius* 



2 rough 



3 panicled 



4 veiny leaved 



5 JV. S. 

 SEA BUCKTHORN 



Canada, oval leavecj 

 MARE'S TAIL 



common 

 CHICKWEED 



succulent 

 WATER VIOLET 



marsh 

 HOUSTONIA 



1 blue 



2 long leaved 



3 red 

 HUDSONIA 



heath 

 YELLOW ROOT 



Canada 

 HYDRIUM 



imbricated 

 HYDROPELTIS 



purple 

 WATER LEAF 



1 rough 



2 Virginian 

 JOHN'S WORT 



1 large capsuled 



