systp:matical index. 



Conferva rubra . . 



tetragona 



tetrica . . 



rosea 



— purpurascens 



thuioiries 



Borreri . . 



. Tiirneri Dillw 



  Plumula 



Morteiisii 



Arbuscula 



coccinca 



elongata 



polymorpha 



Brodiaei 



fucoides 



nigrescens 



urceolata 



fibrata . . 



— ^ nigra 

  byssoides 



Griffithsiana 



parasitica 



pennata 



— — -— FCoparia. . 

 Vaucheria sessilis 

 — — gf minata 



Vol. Tab. 



. ]7 1166 Rivularia Opnntia 



. 24 1690 vermiculata 



27 1915 verticillata 



. 14 966 incrassata 



. 35 2465 elegans . . 



. 31 2205 — — — tuberculosa 



. 25 1741 tubeiiformis 



. 33 2339 pruniformis 



. 23 1637 aira 



. 1 1 999 calcarca 



. 27 1916 echinulata 



. 15 ]()o5 Trcmella mnsontcrica 



. 34 2429 ferriiginea 



. 25 1764 intumescens 



. 36 £589 moriformis 



. 25 1743 sarcoides 



.24 17! 7 vesicara 



. 33 2365 flaccida . . 



. 30 2139 Auricula 



. 33 2340 arborea .. 



8 547 lioletiformis 



. 33 2312 albida .. 



. 20 1429 Nostoc . . 



. .33 2330 Sabina .. 



. 22 1552 granulata 



, 26 1765 I cruenta . . . 



, 2.5 1766 Byssus barbata ... 



Vol, Tab. 



. 26 1868 



. 26 1818 



. 35 2466 



. 14 967 



. 25 1797 



, 33 2366 



. 28 1956 



. 14 968 



. 25 1798 



. 25 1799 



. 20 1378 



10 



?09 



. 21 14.52 



. 26 1870 



. 34 2446 



. 35 2450 



. 35 24.51 



. 35 2452 



. 34 2447 



. 34 2448 



. 26 1819 



. 30 2117 



. 7 461 



. 10 710 



. 5 324 



. 25 1800 



. 10 701 



Observe I.-IN THE SYSTEMATICAL INDEX, 

 ■pentandria MonogA-nia, Hedera Helix is by mistake placed as a species 

 under the Geuus Ribes. 



2. — In the same Index, 

 Crvptogamia Musci Tr, x.aphxs Erowniana. Vol. XX. Tab. 1422. is to b. 

 ' inserted immediately after Tetwphis pellucida. 



