CLAVIS ANALYTICA. Iv 



!Frons è Lasi cyalhifonnî erumpens j concejitacula per tolain froudem 

 sparsa Himanthalia (p. gSg.) 

 Frons radicibus ramosis et fibrosis; conceptacula iiurnersa 

 Laminaria (p. 939 ). 



I Frondes intùs hoinogenere aut fistulosa; 1212 



J ^ J. i • I Pj-ondes intùs filamentis aut granulis farctœ . . 1240 



j Frondes (oculo armato) filamentis obtectœ I2i3 



12 IJ,- I Frondes filamentis non obtectœ , 1214 



rr I Frondes è massa gelatinosâ prodeuntes Nemalion (p. Q^g ). 



l -^ •'•^* j Frondes è massa gelatinosâ non prodeuntes Spongodium (p. 959). 



Î Frondes in spbaeram dathrato - reticnlatam demiim in membranas laxè 

 reticulatas dispositœ.. Htdroclathrus (p. 960). 

 Frondes non reticulatœ I2i5 



r I Frondes fistulosœ 1216 



1210- I Frondes non fistulosœ 1221 



S Frondes liiuc ittdè externe contracta; aut attennatœ, in ramulos brèves 

 subfoliiformes dilatatœ Lomentaria {p. 949). 

 Frondes in ramulos subfoliiformes non dilatatœ 1217 



l Frons augustissima iiyalina nitida intùs corpusculis minutissimis viridibus 



1217' î colorala Bryopsis (p. 966). 



( Frons plus minus lata, colorata; corpuscula interna nuUa 1218 



p ( Couceptacula pyriformia frondem deusissimè obsidentia. Chorda (p. 957). 

 1.2 1 O- I Conceptacula granuliformia sparsa aut innata 1219 



! Conceptacula deraùm proeminentia et frondem exasperautia 

 AsrEROCOCCTJS (p. 956). 

 Conceptacula nunquàm eminentia 1221 



„ J Frons subgelatinosa; conceptacula solitaria sparsa.. Ddmontia (p. 941)- 

 1 2 2*-'- I Frons membranacea j conceptacula densissima Uiva ( p. 957 ). 



i Frondes angustissimœ cylindricae aut lineares 1222 



12 21. j Frondes plus minus dilatatœ planse laSi 



! Frondes hinc indè externe contractœ, in ramulos brèves subfolii- 

 formes attenuatae Lomentakia (p. 949)- 

 Frondes in ramulos subfoliiformes non dilatatœ 1228 



r? j Frons ramosissima disticba Pi.ocamium (p. 949)' 



1220- I Frons non disticba 1224 



/ j Frons obsita ramiUis minutis spinulseformibus 1225 



1224t' j Frons non obsita ramillis spinulœformibus 1226 



r j Frondes planœ lineares Desmaretia (p. 988). 



122 0- I Frondes cylindricœ Htpn^a (p. 95 1 ). 



Conceptacula bic ilUc immersa Scttosiphon ( p. 95/ ). 



Conceptacula innata aut adnata 1227 



1226- 



( Conceptacula verrucosa ad basin ramulorum adnata.. Polyides (p. gSS). 



122'7- I Conceptacula tuberculiformia terminalia aut lateralia 1228 



n (Frons setacea Sporochnus (p. y53). 



122o- I FroQS non setacea 1229 



t Frons gelatinosâ sicca cornea Laubenoia ( p. q5i ). 

 Frons comeo-cartilaginea i23o 



1 Frons plana aut valdè compressa, conceptacula tuberculiformia ad apicem 



I aut rariùs per omnem longitudinem ramérum ramulorumve sita 



1 25o-\ Gelidium (p. 948 ). 



1 Frons cyliudrica rariùs plaua ; conceptacula globosa gigartiua ramis aut 

 ramuils adnata aut innata , Gigartina (p. gSa). 



