Hedysarum 



Helenium 



Hellanthemum 



llelianthus 



.Hehopsis 



Heliotropium 



Helonias 



Hemerocallis 



Hemianthus 



Hepatica 



Heiacleum 



Herpestis 



Hesperis 



Heuchera 



Hibiscus 



Hieraciurn 



Hippiiris 



Holcus 



Ho'osteum 



llopea 



Hordeiim 



Hottonia 



Houstonia 



Hudsonia 



HumuUis 



Hydrangea 



Hydrastis 



"Hydrccotyle 



H>diolea 



Hydrocharis 



Hydrophyllum 



Hyoscyamus 



Hymenopiippus 



Hymenophylium 



Hypericum 



Hypoxia 



Hypopithys 



Hyp.is 



Hyssopus 



.Tatropha 



Jciiersonia 



Ilex 



Illicium 



Impatiens 



K 



