Gomphonema suhclavaium Grun. . i54 
— ■ tenellum Kuetz i55 
GRACILARIEAE 2o5 
Gracilaria arcuala Zanardini 9o5 
— confervoides Grev 9o5 
— cm-licata i. Ac, a 06 
— disticha 3. Ag 9o5 
— fiircellnta Harv 20C 
— Wiightii J. Ag 206 
GRATELOUPIACEAE 228 
Griffithsia Schousboei Montagne. . 219 
GRIFFITHSIEAE 219 
Gymnogongrus Griffithsiae Mart. 208 
Halimeda macro/oirt Décaisse . ... 178 
— Monile Lam 17^ 
— neroata Zanardini 1 7 ^4 
— Opuntia Lam 17^ 
— pap^racea Zanardini 178 
— triloba LAg 176 
— Tuna Lam 178 
Halymenia jloresia Ag 228 
Hormosira articulala Zanardini. . . 180 
Hydroclathrus cancellaim Bory. . 198 
HYPNEAE 907 
Hypnaea hamulosa Montagne .... 207 
— muscijormis Lam 207 
— Valentiae Montagne .... 208 
Iridaea yemensis Montagne 200 
Laurencia divarimla J. Ag 211 
— ohtusa Gam 212 
— papulosa Grev 211 
— pinnalifida Lam 218 
— sedculosa Grev 212 
LAURENCIEAE 211 
Leveillea jungennannioides Harv. . 216 
Liagora 7Mr)im" Zanardini 196 
— e/ojîg-rtto Zanardini 196 
— fragilis Zanardini 197 
Liagora mgosa Zanardini 197 
— viscida Ag 1 gO 
Lithophyllum incruslans Phil... . 226 
Lithothamnion mevibvanaceum F. 22G 
Lyngbya cojf/èraoîWes Ac xhh 
— ?««(«sc«/a Harv. iA5 
— semiplena J. Ac \hk 
— sor&/rt Zanardini ii8 
Melosira flM^«stof/«« 0. Muller. \h% 
— granulala Ralfs 1^7 
Mesogloia ramosissima Zanardini.. 192 
MONOSPOREAE 219 
Navicula Bacillum Ehr lig 
— cocconcifonnis Greg i5o 
— cruciata Mcschler 1^19 
— cuspidata KvETz 1^9 
— cryptocephala Kuetz.. . . i5o 
— elliptica Kuetz i5o 
— el-Kabensis UvscHLER. . . 1A9 
— gracilis KvEtz 1^9 
— Heiifleri GRisn 1/19 
— intermedia Grun 1 5o 
— subcapilala Musciiler. . . 1^9 
— viridula Kuetz i5o 
NEMALIEAE 196 
Nitzschia amphibia Grun i55 
— fonticola Grun i55 
— /rastu/wm (Kuetz.) Grun. i55 
Normosira a)ftcM/a«« Zanardini... 188 
NITOPHYLLEAE 210 
NitophyHum Gmelini Gre\ 210 
OSCILLATORIAEAE 168 
Padina Pavonia Lam 189 
Paponnelia inmloens Zanardini.. . 226 
— squamaria Decaisne .... 225 
PH lEOPH YCE AE 176 
PhyHophora mbens Grev 201 
— nervosa Grev 202 
3o. 
