Algals.] 



CERAMIAI l.i: 





Pent "■' • 



Bquamaria, '/..ward. 

 Pterigotpermum, I org. 



Phyllophora, '• 



Mi. 

 Metal 



.raiiuna, // 

 ( hondrus, G 



-• ickh. 

 Gymnogongrus, Mart. 



Ihrtfeldia, l'ries. 

 Dasyphlaea, Mont. 



I . asterocarpidae. 

 DumontU, Lam I . 

 Halymenla, Agh. 

 Kallvmenia, Agh. 



. I'ostels. 

 Glnannia, Mont. 



«* Coccocarpidae. 

 Cryptonemia, J. Agh. 

 Gelidium, I 

 Buhria, J. Agh. 

 Grateloupia, Agh. 



Phoraeis, Raf. 

 Gigartina, Lamx. 



MammUlari i. Stack. 

 Chrysymenia, J. Agh. 



/) Ctenodontidae, Mont. 

 Ctenodus, Kntz. 

 Nothogenia, Mont. 



Suborder III. — lomenta- 

 Frond cellular. 

 ( leramidia having pear- 

 Bhaped granules at the 

 base of a cup-shaped 

 envelope, which finally 

 bursts by a pore. 

 Tetraspores scattered 

 within the branches. 



I. imentaria, Lyngb. 

 I I rev. 

 Gattridium, Grev. 



Kaliformia, Btackh. 

 kdea, Btackh. 

 Cbampia, Agh. 



M. !■' til. 



r. Stackh. 

 Otmundia, Stackh. 

 18, Mont. 

 / i, J. Agh. 



Bonnemaisonia, Agh. 

 Capillaria, Stackh, 



' •. < .lev. 



Thysanocladia, Endl. 

 ■ Lamx 

 Mamnu i .1 \ 



I • Mont. 



Suborder IV. — IlJiodome- 

 /<(/: Frond jointed. 

 I midia as before. 

 Tetraspores enclosed in 

 transformed brandies 

 or Stichidia. 



! I Agh. 



at, Agh. 

 inema, Martins. 

 • 



tonnem. 

 EUitius, Gray. 



. Bonnem. 

 '/(", Oris. 

 I ■ iiphonia, Grev. 

 Hutchinn ■ . \ 

 < ■. Bonnem. 



a, Mart. 



I ray. 



Dicarpella, Borj . 

 / ngniartella, Bory. 

 . Bory. 

 siphonia, I 

 Alsi liuni, Agh. 

 Amphibia, stackh. 

 Bostrychia, Mont. 



\gh. 

 Rhodoi 



/ iria, Stackh. 

 Acantbophora, / 

 i' ifexia, Hun-. 

 Dictyomenia Grev. 



I .mi \ . 

 I i,i 



. Suhr. 

 Botrj 

 < idontbalia, Lyngb. 



tin.' Stackh. 



Rytiphlcea, Agh. 

 , 

 lea, Dec. 

 Amansia, Lam r. 

 rocladia, !'■ i 

 *Coralline<p. 

 Corallina, Tourn 



T i tit neph til I urn , N arde . 

 Jania, Lamx. 

 Haliptilon, /' . 

 Amphiroa. /. 

 Arthrocardia, /' 

 Eurytion, D 

 CheUosponun Dee. 

 Melobesia, J 



rdhia, Mi i 

 Lithophyllum, Philip. 

 t, Kutz. 

 in. 

 **Anomalophyllese. 

 Dictyurns, 1 



( , r. v. 



Hemitrema, It. Iir. 

 Martensia, Her. 

 Claudea, I. 



? Thaumasia, A<jh. 



Suborder V. — S 



Frond cellular. 



1 



which finally i 



over the ! 



Hypni ' 

 Plocaria. .'> 

 Grot I 



Hi In 

 Rhodomema. G 

 / SI ckh. 



/ Stackh 



>h. 

 i, J. Anh. 

 SphaT' . '. 



Stackh. 



Suborder VI. — 7 

 /■■./ Frond c< 

 Coccidiae 

 '1 etraspores in definite 



heaps, or collected in 

 rophyUs. 



mium, Gr 

 A'en - ickb. 



. ' : i/i . 

 phyllum, Mont. 

 Sit../ hyllum, Grev. 

 ■, Stackh. 

 /. Bory. 



^preng. 

 Hymen 

 Delesseria, / 



Stackh, 

 .i/. tj, 



Solieria. J. Agh. 



nt. 

 ': Hydropuntia, Mont. 



Nitmbebs. Gen. 88. Sp. 682. (Endl.) 



Position. — Fu:-ace*e. Crbamiacks. — Cht". : 



Rhodospermese, // '■' Alga, p. ".. 



ADDITIONAL GENER \ 



•'IT. 



lowia. Sot 

 Ptilocladia, Id. 

 Dasypbi] i 



I 



Rhabdonia, I ' 

 Lomentar. 



Lhymenia, B ■■ ■ 

 Atractophora, Cr 

 Gelinaria, S 

 Apophlsea, !!■• 



.i. arunei 

 B strychia, I ' 

 Stictosiphonia, II 

 Lenormandia, S 

 Gramnutolbi. fv« 

 Kut 



Trigensea, Id. 

 - 

 - 



Dicranema Id. 

 Acai ■ 



