Hydnum Erinaceus — Hyphaena thebaica. 
Hydnum Erinaceus Bull. 116. |Hydrurus penicillatus 8. 
— ferrugineum Fr. 116. — — var. Ducluzelii Rbh. 8. 
flavum Berk. 115. Hygro-Lejeunea corynantha 
Reo-guineense P. Henn.*76. Spruce* 131. 
niveum Le. 115. — frangibilis Spruce* 131. 
repandum (L.) Sacc. 87. | — leiantha Spruce* 131. 
359. Hygrophila asteracanthoides 
— serotinum Mart.* 68. Lind.* Il. 122. 
— tenuicolum Lv. 115. — crenata Lind.* II. 122. 
— Washingtonianum Zll. et longifolia I. 37. 
Ev.* 72. parviflora Lind.* II. 122. 
Hydrangea II. 85. — P, 344. | — saxatilis Ridl.* IL 94. 
— Jelskii Szys2.* II. 41. spieiformis Lind.* II. 122. 
— paniculata Sieb. II. 394, Teusezii Lind.* II. 122. 
Hydrastis II. 386. 387. 411. — Volkensii Lind.* II. 128. 
— canadensis 395. 474. — II. | Hygrophorus conicus 63. 
383. 411. — Marzuolus (Fr.) Bres. 117. 
Hydrocharideceae II. 109. 268.| Hylocomium 127. 
Hydrocharis Morsus-ranae 288.| — loreum B. 8. 125. 
Hydrocotyle americana II. 71. | — splendens (Hedw.) 122. 
— Araucana Phil.* II. 39. |Hylophila undulata Bull. 63. 
—n 
— 
— 
— asiatica L. II. 93. Hymenaea Dakotana Lesg. 
— Carrerae Phil* Il. 39. II. 350. 
— javanica II. 393. — verrucosa II. 415. 
— Lechleri Phxl.* II. 39. Fymenelia 155. 
— pauciflora Phil.* II. 39. |Hymenobolus atrofuscus Mass.* 
Rahmeri Phil.* II. 39. 76. 
uliginosa Phil.* II. 39. Hymenocardia II. 104. 
— vulgaris L. II. 200. — lasiophylla Pax* II. 120. 
Hydroldietyaceae 25. Hymenocladia ceratoclada 
Hydrodictyon 18. J. Ag.* 36. 41. 
— reticulatum (L.) Lagh. 7.| Hymenochaete agathicola* 76. 
— — var, lageniforme — Berteroi Pat. 115. 
Mont.* 7. — frustulosa B. et O. 115. 
Hydrogera 103. — tomentosa B. et ©. 115. 
Hydrolapathum sanguineum 13. | Hymenogaster 85. 
Hydrolea affınis II. 65. — Cerebellum Cav.* 68.85. 440. 
— Caroliniana Michx. II. 68. | Hymenomyceteae 59. 60. 67. 68. 
— quadrivalvis Walt. II. 68. 357. 
— spinosa L. 298. Hymenophyllaceae II. 88. 
Hydrosera Wall. 52. Hymenophyllites ambiguus 
Hydrostachydaceae II. 124. Sap.* II. 335. 
Hydrostachys Bismarckii Engl.*; — blandus Racid.* 1I. 340, 
II. 124. — crenilobus Sap.* II. 335. 
— distichophylla A. Juss. — gracilis Sap.* II. 335. 
II. 103. — tenellinervis Sap.* II. 335. 
— var. Humblotii Zingl.*| — Zeilleri Racıb.* II. 340. 
II. 103. Hymenophyllum 173. 210. 
Hildebrandtii Zingl.* II. | — denticulatum Sw. 205. 
103. — lindsaeoides Bak.* 208. 
— multipinnata Engl.” IL.124. 
nana Zingl.* II. 103. 
— pinnatifolia Zingl.* II. 103. 
Hydrothyria 149. 
— 
— vincentinum Bak. 207. 
— Wilsoni Hook. 170. 202. 
Hymenophytum 141. 
525 
Hymenotheca Dathei Pat. 11.319. 
Hymenula cerealis Z2]l. et.Ev.*74. 
— rosea Fautr. et Lamb.* 64, 
Hyophila acutiuscula Broth.* 
133. 
— Holstii Broth.* 133. 
— usambarica Broth.* 133. 
Hyoscyamus II. 383. 
Hyoseris 268. 
Hypecoum grandiflorum Benth. 
IT. 194. 
— procumbens II. 183. 
— pseudograndiflorum Peir. 
II. 194. 
Hypericineae II. 268. 
Hypericum II. 95, 268. 
— adpressum II. 70. 
alpinum Vill. II. 203. 
Ardasenowi Kell. et Alb.* 
II. 212. 
Canadense II. 70. 
eistifolium Lam. 291. 
densiflorum II. 59. 268, 
Drummondiü II. 65. 
elegans Steph. II. 143. 157. 
209. 
ellipticum II. 70. 
elodes L. II. 143. 
gentianoides II. 65. 
Helodes L. II. 268. 
hircinum ZL. 467. — 1. 13. 
hirsutum ZL. II. 203. 
humifusum Z. II. 180. 
lanceolatum Lam. II. 105. 
116. 
linarifolium Vahl II. 180. 
— var. radicans Brochon* 
II. 180. 
montanum II. 138. 153. 
mutilum I. 70. 190. 
nudicaule II, 70. 
peplidifolium A. Rich. II. 
105. 116. 128. 
— var. oblongifolium 
Engl.* II. 128. 
— perforatum L., P. 344. 
— petiolatum Il. 65. 
— pulchrum ZL. H. 165. 279. 
— Pumilio Bornm.* II. 153. 
— Virginicum ll. 65. 
— ooides F.v. M.et Bak.* 205. | Hyperphyscia Müll. Arg.*, R. 
G. 161. 165. 
Hyphaena II. 112. 
— thebaica II. 120. 
