587 



C^'athophonim pennatum, 490, 506. 

 Cycads, 4. 

 Cyclamen, 61. 

 Cyclopeltis Presliana, 513. 



semicordata, 513. 



Cylindrothecium, 504. 

 Cymbella, 131. 

 Cymopoliiim, 137, 162. 

 Cynodontium, 475. 

 Cyperus Irio, 344. 

 Cyphella, 357. 

 Cyrtophlebium, 533. 

 Cystocercus, 64. 

 Cj'stoclonium, 181. 

 Cystodium, 537. 

 Cystopteris, 541. 



fragilis, 518. 



Cystopus candidus, 316. 

 Cystoseirro, 227. 



distribution of, 226. 



prismatic colours, 233. 



Cystotricha, 329. 



Cytinaceaj, 32. 

 Cytinus, 33. 

 Cytispora, 331. 

 Cytisus, 12. 

 Cyttaria, 32, 293, 326, 



Darwinii, 291. 



Gunnii, 289. 



Dacrydium, 37. 

 Dacrymyces, 321. 



deliquescens, 350. 



Urticaj, 355. 



Dactylium roseum, 302. 

 Dtedalea, 357. 



Daltonia splachnoidcs. 501. 

 Danjsa elliptica, 521. 

 Danasacese, 523. 

 Uarea prolifica, 613. 

 Dasya coceinca, 201, 205. 



elegans, 201. 



villosa, 201. 



Dasycladus clavaformis, 76. 

 Dasygloea, 149. 



Davallia Canariensis, 539. 

 Dawsonia superba, 489. 

 De Bary on Rusts, 322. 



on Aspergillus gkucus, 248. 



Delesseria alata, 205, 206. 



angustissima, 205, 206. 



lacerata, 205. 



Leprieurii, 195. 



Delisea, 198. 

 Delphinium fissum, 60. 

 Dematiei, 310. 

 Dendroceros Jamesonii, 449. 

 Dendropogon, 50. 

 Deparia, 537. 



DerbSs on Nostoc, 140. 



Dcrbesand Solier on Halimeda, 159. 



Dermatea, 291. 



Desmatodon nervosus, 481. 



Desmidiacefe, 123. 



Desmidium, 113, 119. 



DesmiosiJermeaa, 184. 



Desmobrya, 514. 



])GBmonema Dilhvynii, 147. 



De Vriese, 523. 



Diacalpe, 534. 



Diatomaceaj, 113. 



motion of, 130. 



nature of, 123. 



Dichelyma, 500. 

 Dickiea, 129. 



Dicksonia antarctica, 524, 537. 



culcita, 520. 



lanata, 537. 



squarrosa, 537. 



Dicrfca Wallicbii, 5. 

 Dicranodontium, 478. 

 Dicranum scoparium, 478. 



Sieberianum, 478. 



Dyclymnia, 533. 

 Dictyocha aculeata, 131. 

 Dictyogens, 52. 

 Dictyonema, 358, 375. 

 Dictyopteris, 533. 

 Dictyota, mode of growth, 21 5. 



dichotoma, 214, 216, 566. 



Dictyoxiphium, 539. 

 Dictyurus purpurascens, 203. 

 Diderma, 337. 



