r 
GENERUM HERBACEUS. ix 
Hedysarum 
94 
Helenium 
116 
Hclianthus 
120 
Helleborus 
71 
Heloaias 
45 
Hemerocallis 
43 
Heracleum 
30 
Herniaria 
26 
Hesperis 
87 
Heuchera 
26 
Hibiscus 
90 
Hieraceum 
101 
Hippocrepis 
93 
Hippuris 
1 
Houstonia 
11 
Humulus 
128 
Hutchinsia 
84 
Hyacinthus 
43 
Hydrastus 
71 
Hydrophyllum 
17 
Hymenophyllum 
133 
Hyoscyamus 
23 
Hyoseris 
303 
Hypericum 
97 
Hypochaeris 
103 
Hypoxis 
41 
Hyssopis 
72 
Iberis 
84 
Illecebrum 
24 
Imperatoria 
32 
Inula 
115 
Iresine 
128 
7 
Isatis 
83 
Isopyrum 
71 
Ixia 
7 
Jasione 
19 
JefFer sonia 
47 
Justicia 
3 
Kitaibelia 
m 
Knautia 
ii 
Lactuca 
100 
Lamium 
75 
Laserpitium 
30 
Lathraea 
79 
Lathyrus 
92 
Lavatera 
90 
Leontice 
42 
Leontodon 
100 
Leonurus 
77 
Lepecbinia 
75 
Lepidium 
84 
Leptanthus 
9 
Lespedeza 
93 
Leucojum 
86 
Liatris 
104 
Ligusticum 
so 
Lilium 
39 
Linum 
35 
Lithospermam 
14 
Lobelia 
21 
Lophiola 
42 
Lotu# 
97 
Ludwigia 
n 
Lunaria 
85 
