760 INDEX. 
Heliant hus 
decapetalus L., 426 
divaricatus L., 413, 426, 557 
giganteus L., 546, 627 
grosse-serratus Martens, 413, 426, 
546, 597 
maximiliani Schrad., 597 
occidentalis Riddell, 367, 413 
rigidus, 20, 21, 22 
scaberrimus Ell., 413, 426, 597 
strumosus L., 413 
tuberosus L., 413, 426, 546, 597 
tracheliifolius Mill., 413 
Heliopsis helianthoides (L.) B.S.P., 
412, 546 
scabra Dunal, 412, 425, 596 
Helleborus, 500 
Helminthocladiacez (Harv. ) Schmitz, | 
25 
Helobiz, 651 
Hemipuccinia, 543, 549 
Heniiuromyces, 540, 543 
Hepatica acuta (Pursh) Britton, 362, | 
387 
Heppia, 657 
despreauxii (Mont.) Tuckm., 281, | 
293, 295, 296, 313, 656, 677 
polyspora Tuck., 281, 282, 295, 313 
Heracleum lanatum Michx., 362, 399, 
588 
Heter-eupuccinia, 543, 546 
Heterothecium, 236, 662 
sanguinarium (L.) Flot., 233, 269 | 
var. affine Tuck., 228, 269 
Heuchera hispida Pursh, 389 
Hicoria minima (Marsh.) Britton, 380 
ovata ( Mill.) Britton, 366, 380 
Hieracium canadense Michx., 367, 409, | 
548, 556, 594 
scabrum Michx., 366, 409 
umbellatum L., 366, 368, 409 
Hippuris vulgaris L., 587 
Hlomalia jamesit Schimp., 45, 46, 47 
macountt, 46, 47 
trichomanoides, 45, 45, 47 
jamesii (Schimp.) Holzinger, | 
44, 47 
Homalocenchrus virginicus ( Willd.) 
Britton, 357, 375 
Hordeum jubatum J. 575, 627 
vulgare L., 548 
Hormiscia zonata (Web. and Mohr) 
Aresch. var. valida (Nag.) Rabenh., 
26 
Houstonia longifolia Gaertn., 592 
| Humulus lupulus L. 362, 383, 424, 578 
Hydrocotyle americana L., 368, 400 
| Hydrocytium, 196 
Hydrophyllacez, 402 
Hydrophyllum appendiculatum 
Michx., 402 
virginicum L,., 362, 402, 426, 551, 
559 
Hylocomium splendens Sch., 52 
triquetrum Sch., 52 
| Hypericaceze, 397, 586 
| Hypericum ascyron L., 397 
maculatum Walt., 366, 397 
majus (A. Gray) Britton, 366, 397 
| Hypnacez, 36 
Hypnum chrysophyllum Brid., 50 
crista-castrensis L., 51 ‘ 
cupressiforme ericetorum B. S., 50 
filicinum aciculinum C. M. and 
Ke SE 
trichodes Brid., 51 
haldanianum Grev., 51 
hispidulum Brid., 51 
reptile Rich., 51 
schreberi Willd., 51 
uncinatum Hedw., 52 
Hypoxis hirsuta (L.) Coville, 379 
Hypoxylon, 564 
annulatum (Schw. ) Montagne, 566 
atropurpureum (Fries) Fries, 566 
commutatum Holwayanum Sacc., 
565 
commutatum Nitschke, 565 
epipheum Berkeley & Curtis, 564, 
566 
epiphleum B. & C., 566 
Jerrugineum Holway & Ellis, 566 
fuscum ( Pers.) Fries, 565 
granulosum Bulliard, 565 
marginatum Berkeley, 566 
morsei Berkeley & Curtis, 565 
multiforme Fr., 565 
perforatum (Schw.) Fries, 566 
petersii Berkeley & Curtis, 565 
rubiginosum Ellis & Everhart, 566 
rubiginosum (Pers.) Fries, 563, 
564, 566 
