591 



Gyrophora, 383. 



cylindrica, 404. 



Gyrophragmium, 334, 340. 

 Gyrostomum, 391. 



H 



Haematacoccus, 26, 42. 



sanguineus, 110. 



Halimcda opuntia, 160. 

 Haliseris, 215. 

 Haloplegma, 204. 

 Halysium rugo-sum, 137. 

 Hamamelidefe, 65. 

 Hanovia, 203. 

 Haplolfcnece, 452. 

 Haplomitrium Hookeri, 460. 

 Haplopteris, 535. 

 Harvey, obligations to, 99. 



Classification of Algae, 106. 



Hawlea pulcherrima, 521. 



Hedwig, merits as a Cryptogamist, 20. 



Hedwigia, 498. 



Humboldtii, 484. 



Hedwigiaceaj, 483. 

 Hcdwigidium, 498. 

 Heliomyces, 365. 

 HclminthocladisR, 186. 

 Helmintliora divaricata, 187. 

 Helmintliosporium, 311. 



bacilliformc,327. 



Hoffmanni, 298. 



nodosum, 298. 



Helminthostachys, 547. 

 Helvella elastica, 36, 289. 



esculenta, 36, 271, 293. 



leucophaea, 304. 



Hemerobia, 296. 

 Hemidictyon, 540. 

 Hemionitis, 531. 

 Hemitelia, 545. 

 Hendersonia, 331. 

 Henfrey on Marchantia, 436. 

 Henslow on Hydrodictyon, 139. 

 Hepatica3, 432. 



Hericium, 361. 

 Heringia, 203. 



HcterocarpoEe, 109. 

 Hetcronemeaj, 14, 421, 430. 

 Hewardia, 536. 

 Hexagonia, 362. 

 Hildenbrantia Crouanii, 188. 



rivularis, 189. 



Himanthalia lorea, 230, 232. 



Hippuris, 61. 



Hoffman on Yeast, 242, 267. 



on Sclerotium, 303. 



spermatia of JJorrera, 373. 



Hoffmann on supposed Spermatia in 



Agarici, 365. 

 Homonemeae, 14, 71. 

 Homorgana, 14, 15. 

 Hooker, Sir W. J., his services to 



Cryiitogamy, 20. 



British Jungermannife, 20. 



Musci Exotici, 20. 



Hooker and Borrcr, monstrous Jun- 



germannia;, 460. 

 Hooker, Dr., on Hypolcpis tenui- 

 folia, 512. 



Geographical distribution 



of ferns, 517. 



Selaginella mutabilis, 562. 



Ilookeria loetevirens, 502. 



lucens, 501. 



' nigella, 502. 



robusta, 502. 



Hormosiphou arcticus, 80, 140. 

 Hormospora, 164. 

 Horsetails, 549. 



germination, 549. 



structure, 550. 



uses, 551. 



localities, 551. 



fossil, 551. 



Hue and Gabet, 402. 

 Humata, 538. 

 Husseia, 335, 343. 

 Hydnangium, 348. 

 Hydnei, 360. 

 Hydnoclathrus, 316. 

 Hydnocystis, 61, 286. 

 Hydnum cinnabarinum, 370. 



clathroides, 361. 



gclatinosum, 406. 



