CONTENTS. Vll 



PAGE 



CHAPTER XIX. 



Green Weeds. Chlorosperms. Codium. Bryopsis. Vaucheria. ^Con- 

 fervaceee Order. Cladophora. Conferva. Ulvacese Order. En- 

 teromorpha. Ulva. Bangia. Rivularia. Calothrix. Speci- 

 mens of Melanosperms, Rhodosperms, and Chlorosperms, . 165 



CHAPTER XX. 



Freshwater Algge. Land and Freshwater Vaucherias. Botrydium. 

 Chsetophora. Draparnaldia. Chroolepus. Freshwater Confer- 

 vae and Ulvacese. Batrachospermum. Nostoc. Palmella. Red 

 Snow. Chara. Uses of Freshwater Chlorosperms. . . 174 



CHAPTER XXI. 



Lichens. Gonidia. Crustaceous and Frondose Lichens. Uses of 

 Lichens. Crustaceous Lichens. Apothecia. Bseomyces. Goblet 

 Lichens. Arthonia. "Writing Lichens. Verrucaria. Endocar- 

 pon. Pertusaria. Thelotrema. Yariolaria. Urceolaria. Rus- 

 kin on Lichens, . . . . . . 187 



CHAPTER XXII. 



Leprarise. Lecidea. Leanora. Cudbear. Scurf Lichens. Squa- 



marise. Parmeha. Crotal, ..... 199 



CHAPTER XXIII. 



Jelly Lichens. Collema. Dog Lichen. Peltidea. Socket Lichens. 



Gyrophorce. Tripe de Roche. Iceland Moss. Orchil. Borrera, 212 



CHAPTER XXIV. 



Evernia. Ramalina. Usnea. Rock Hair. Coral Lichens. Globe 

 Lichens. Rein-deer Moss. Cup Moss. Leighton's Classifica- 

 cation. Lichina, ...... 252 



CHAPTER XXV. 



Fungi. Prejudices. Parts. Classification. Agaric Group. Fairy 



ring mushroom. Edible mushroom. Chantarelle, . . 239 



CHAPTER XXVI. 



Polyporei group. Sap balls. Polypores. Trametes. Daedalia. 

 Merulius. Dry rot. Fistulina. Hydnum. Auriculini group. 

 Thelephora. Craterellus. Corticium. Clavaria? group. Calocera. 

 Tremella group. Exidia. Jew's Ear. Dacrymyces, . 260 



