5(5 NATURAL CLASSIFICATION. 



(K). PirvMARiA, the Phymians. Fructif. solid, 

 tubercular, not opening; Ty{)es Lepraria, 

 Squamaria, Lolmria, Cladonla, Usnea. 

 2d. Section, llydrophytia^ the aquatic Al- 

 c;as. 

 CI. FuciDiA, the Fucidians. Form variable, but 

 never filamentosc — Types Fucus, Ulva^ 

 Riinilaria, Physidriim, Spongia. 



62. Hydronemia, the Confer vians. Form fila- 



mentose, commonly tubular and with par- 

 titions ; Types Yaucherla, Ceramium, Cha- 

 racias (chara L.) Oscillaria, Stereonema. 

 X. Class, the FUNGIDIANS. 

 1st. Section, Exosporia, fructification exter- 

 nal, m spores or sporanges, form seldom 

 filamentose 



63. Adelisteb, the Adelistians. Hysterium or 



receptacle hardly conspicuous; Types ^i/s- 

 sus, Co7ioplea, Monilia^ Clavaria, HeU 

 vella, Feziza, Fhallus. 



64. Phaneristia, the Phaneristians. Hyster- 



ium very conspicuous, in rays, veins, pores, 



tubes or tubercles — Types Agaricus, Bo^ 



letus, Hydnum. 



2d. Section, Endosporia, fructif. internal in 



spores or sporanges, form never filamen- 



.,v tose. 



65. Sarcosporia, the Sarcosporians, fructif. 



fleshy or gelatinose, not pulverulent ; Types 

 Cyathella,, Stlctis, Granularia. 



66. CoNiospoRiA,the Coniosporians,fructif. pul- 

 verulent — Types Diderma, hycoperdon, 

 Fidigo, Mucor. 



In these Orders every family and Genus ad- 

 mitted was to possess the essential character 

 applied to all, except in very few instances ; 



