ee 
GENERIC INDEX. 
: Helopus, ix., 75, 136, 
Helosciadium, vii., 124. 
Helotium, x., 52, 98. 
Hemarthria, xi, 139; xv., 117. 
_ Hemicarpha, xi., 87; xv., 104. 
Hemiaulus, xvi., 209. 
Hemizonia, viii., 142; ix., 15, 16, 63, 109, 110, 
122, 145; x., 41; xili., 48; xvi., 151.. 
Hemitelia, viii., 226; xv., 248. 
Hendecandra, xvi., 230. 
_ Hendersonia, ix., 74, 133; xi., 73. 
Hepatica, (Fegatella) xv., 320. 
Hepatica, (Anemone) Vii., 1, 97; vili., 36; ix., 
10, 144; xi., 55; xiii, 114; xiv., 121; xvi., 173. 
Heppia, xiv., 222; xvi., 106. 
-Heracieum, vii., 87, 124; xi, 139. 
Hesperis, Vil., 51; xiii , 83, 143, 144, 
Hesperochiron, xv., 110; xvi., 176. 
Heteranthera, vii., 1; EVy pa) xvi , 70. 
Heterocentron, ix., 11. 
Heterocladium, xv., 186; xvi., 97, 
Hetercmita, xiil., 102. 
Heteropteris, xvi., 158. 
Heteropogon, 1x., 87, 185, 136; xv., 117; xvi., 
241, 
Heterosporum,, xv., 202; xvi., 172. 
Heterotrichiam, xvi., 168. 
Heuchera, Xili., 70, 72; xiv., 16, 79, 104; xv., 
58, 172, 202, 242. 
 Hevia, xiv., 250. 
- Hexagona, x., 73. 
Hexameria, xiv., 155. 
Hibiscus, vii., 19; vili., 120; ix., 117; x., 9; xili., 
60, 94; xiv., 102; xv., 148, 325. 
Hicoria, xv., 277, 301; xvi., 133, 169, 311. 
Hieracium, vil., 115, 125; viii., 112; ix., 12, 17, 
36, 64; xi., 104; xiii., 83; xiv., 234; xv., 91, 
"148; xvi., 87, 123, 136, 288. 
Hierochloa, viii., 59; ix., 135; x., 8, 63; xii., 103; 
=e ativ.; $0, 
Hilaria, ix., 32, 77, 86, 135, 136; xi., 38; xlil., 
249; xiv., 100; xvi., 202. - 
ee Vili., Sy xifi , 110; xv., 112; 
. Himantostemma, xil., 11. 
Hippuris, xi, 103; XIV.; 283; 
XYV., 19. 
- Holacantha, SS. 128; Xxii., 50; 
Holozonia, ix , 122, 145. 
Homeocladin, xiv., 30. 
Homalothecium, xv., 186, 201. 
Homoianthus, xVv., 17. 
Hookera, xtii., 44; xiv., 15, 196. 
Hookeria, xiit-, 44. 
Hordeum, vii., 126; ix., 135, 137; x., S, 32, 78, 
Xii., 103, 110; xiff., 119; xvi. 59, 208. 
Horkelia, X., 107; Xiv., 150, 263; xv., 24; xvi., 
xili., 183. 
‘ 
15 
Hormactis, xiii., 106. 
Hormidium, vili., 40. 
Hormiscia, vil., 48. 
Hormotrichum, viii., 40. 
Horsfordia, xiv., 101; xvi., 86. 
Hosackia, xi., 104; xiv., 16, 150; xvi., 149, 151, 
202, 203, 253, 283. 
Houstonia, vii., 49; ix., 10; xi., 9; xiii., 72, 224; 
Xiv., 20, 154; Xv., 147; xvi., 136, 163, 
Hoya, xiv., 68, 
Hudsonia, vil., 82,98; ix., 
93, 94; xiii., 12, 220. 
Humulus, xi., 108; xii, 29, 30,53, 101; xv., 118, 
223; xvi., 136. 
Hunnemannia, xiv., 195, 196. 
Hyacinthus, xiii., 137. 
Hyalotheca, xi., 15; xii., 1; xv., 158. 
Hyalodiseus, xvi., 75, 209. 
Hydnum, viii. , 34, 57; xii., 37; xiii., 175. 
Hydrangea, vii., 28; viii., 12; ix., 72; xili., 70, 
71, 116, 238; xiv., 185; Xv., 132, 258; xvi., 
139. 
Hydrastis, xii., 100; xiii., 115. 
Hydrochloa, ix., 134. 
Hydrocotyle, vii., 87; ix., 23; x., 46, 120; xiii., 
28; xiv., 159; xv., 56; xvi., 281. 
Hydrodictyon, xiv., 132. 
Hydrophyllum, vi, 49; xiil., 
Xvi., 38. 
Hydropyrum, ix., 134. ‘ ‘ 
Hydrosera, xvi., 72, 75. 
Hydrothrix, xv., 300. 
Hydrurus, x., 14. 
Hygrophorus, viil., 57. 
Hylocomnium, vii., 7. 
Hymenca, xiil., 36, 37. 
Hymenatherum, xi., 129. 
Hymenocahis, xv., 172, 273. 
Hymenochsete, vii., 84. 
Hymenoconifium, xvi., 80. 
Hymenopappus, ix., 63; xi., 128, 130. 
Hymenophallus, viii., 96. 
Hymenophyllum, xii., 117; xiii, 45; xiv., 86; 
XV., 107, 248. 
Hymenothecum, ix., 135. _ 
Hymeranthus, xvi., 45. 
Hyoscyamus, vii-, 125; xvi., 70, 180. 
Hyparrhuna, xvi., 241. 
Hypericum, vii., 17, 52, 93; ix., 74; x., 33; xii, 
53,92, 101, 103; xiil., 70, 76, 98, 172, 224; 
Xiv., 67, 83, 186, 232; xv., 94, 132, 204, 234, 
246; Xvi., 62, 140, 242, 255, 282. 
Hypheothrix, x., 21; xvi., 308. 
Hypnea, xi., 30; xiil., 112. 
Hypnum, vil., 6, TS, 16s 1x., 6%: xiv. 23, 104; 
XV., 186, 220; xvi., 30, 97, 111, 124, 249, 306. 
Hypocheeris, xv., 180. 
Hypocrea, xv., 54. 
Hypolepis, xv., 249. 
Hypolytrum, xvi., 83. 
119; Xi, 100; xii., 
70, 115; xv., 146; 
