190 
PAGES 
— crassinervia Brèb G7 
— crucil'era Grun 49 
— jamaicensis Grev 57 
— latestriala Lcud.-Forlm. . 44 
— marginala Lew 58 
— ovalis Külz 47 
— pandura Brèb 45 
— rhombica Greg 58 
— rhombus Petit 70 
— rostellala Külz 54 
— spectabilis Grun. ....... 49 
— Vidoviebii Grun 53 
NEOMERIS Lamour 25 
N1TELLA Br 31 
NITSCHIA Hass 85 
— curvula Sm 90 
— elongata Hass 90 
— formica Hantzsch 86 
— byalina Greg 91 
— paxillifer (Mail.) Heib. . . 85 
— socialis Pritch 85 
Nilzschiella longissima Bbh. . 88 
NODULARIA Mert 4 
NORDSTEDTIA Borzi 13 
NOSTOC Vauch 3 
NOSTOCHOPSIS Wood 2 
Novilla fastuosa Cleve 94 
ODONTELLA Ag 125 
ODONTIDIUM Külz 101 
— tabellaria Sm 108 
OEDOGONIUM Link 11 
OKE DENIA Eul 59 
PAGES 
ONYCHONEMA Wall 33 
OPEPHORA Petit 102 
OPHIOCYTIUM Naeg 29 
ORTHONEIS Grun 83 
Oscillaria muscorum Ag . ... 6 
OSCILLATORIA Vauch 8 
— imperator Wood 9 
PADINA Adans 165 
PALMELLA Lyngb 50 
Palmeria Hardmanniana Grev. 1 49 
Palmogloea aeruginosa Za- 
nard 10 
PANDORINA Bory 28 
PARALIA Heib 150 
PEDIASTRUM Mey 28 
PENICILLUS Lamarck 26 
PEYSSONELLIA Decaisne. . . 179 
PHORMIDIÜM Külz 8 
— vulgare Külz 8 
Phycoseris sp 12 
— lobata Külz 11 
— reticulata ( Forslc .) Külz.. 11 
PHYCOPELTIS Millard 17 
PH YTOPHYSA Web. v. Bosse . 27 
PITOPHORA Wittr 23 
PLAGIODISCUS Grun. et 
Eul 96 
PLAGIOGRAMMA Grev 110 
— Gregorianum Grev 112 
— quadrigibbum Leud.- 
Forlm 111 
— sexagibbum Leud.-Fortm. 111 
