THALLOGENS. H 



Sec. 1. (Gasteromycetes). — Hymenium internal, enclosed in a 

 peridium. 1. Physarum. 2. Stemonitis. 3. Licea. 4. Tubul'ina. 

 5. Cribraria. 6. Arcyria. 7. Lycogala. These are Slimk-Moulds 

 [myxomyceies) ; on dead logs, bark in tan-yards, etc. ; all beautiful in 

 color and construction. See Lesson VI. 8. Bovista, Small' Puff- 

 ball ; edible; many species ; on ground, fields, pastures. 9. Lyco- 

 perdon, Large Puff-ball, Devil's Snuff-box. Peridium double ; 

 outer p. rough with warts and spines. Many species ; habitat of 

 Bovista; edible; " L. jfi(?a»<e«m is the Southdown of mushrooms. " — 

 Dr. Curtis. 10. Geister, Eaeth-Stak. Peridium double ; outer p. 

 dividing in regular parts from crown to base, imitating a many-parted 

 perianth with a putf-ball in its centre. Several species ; on ground. 

 11. Phallus, Stinkhokn. Stipitate; peridium double, mushroom- 

 lilie, pileate, free at base; spores diffluent (melting into a fluid mass) 

 at maturity, and escaping through a perforation at the apex of the 

 peridium. Many species ; handsome, but ill-scented. 



Sec. 2. (Hymenom3'cetes). — Hymenium external on a receptacle. 

 1. Clavaria. Club-shaped ; stipe confluent with receptacle ; hymenium 

 on upper surface of receptacle. Many species ; edible ; various in 

 form and color. On ground, woods, fields. C. phalloldes, Pig. 22, 7. 

 8. Hydnum. Stipitate, pileate ; hymenium consists of spines project- 

 ing from the pileus. Many species, various in form ; edible. In 

 woods, on ground. Fossil in Tertiary. 3. Boletus. Stipitate, pile- 

 ate ; hymenium lining separable tubes (pores). Many species ; edible. 

 On ground in woods. 4. Polyporus. Like 3, but tubes not separable. 

 Many species; some edible. On ground, woods. P. imbricdtus, in im- 

 bricate masses at foot of beech-trees ; 2°-5° across. P. hybridus, Dky 

 EoT in oak timber. P. taberdster furnishes the Pietra-Fungdja [It.., 

 Punsus-Stone) of commerce ; its mj'celium collects the earth into 

 a solid ball, which for years yields abundant crops. P. annb-ins, phos-. 

 phorescent ; in Welsh mines. Fossil species in Tertiary. Polyporites, 

 fossil. Carboniferous. 5. Meriilius Idchrymans, Dey-Kot in timber, 

 especially in conifers. 6. Cantharellus, Chant arelle. Stipitate, pile- 

 ate ; hymenium on under surface of pileus, which has veins instead of 

 gills. C. ctSar-iMS, rich yellow,with fruity fragrance ; edible. On ground 

 in woods. 7. Agaricus, Mttshroom. Stipitate, pileate; hymenium on 

 gills on under surface of pileus. 1000 species, many edible ; various 

 in form, size, color, habitat. A. Georgii, Snow-Ball ; edible ; Fig. 

 22, 4. A. fMar^smius) oreddes, Champignon, Fairy King Mush- 

 room ; edible ; Pig. 22, 6. A. campestris, Pink-Gill ; edible ; Fig. 

 22, 5. All in woods, pastures. A. Gardneri, phosphorescent; on 

 leaves of palm-trees, Brazil. A. oledrius, phosphorescent; at the 

 base of olive-trees, Italy. A. muscdrius, Fly Agaric ; stipe slender ; 

 pileus vermilion, studded with white or yellow warts ; handsome, but 

 poisonous. On ground in birch woods. 



Ord. 3. Lichenes. Lichens. — Described in Lesson VI. Repro- 

 duction of Fungi. 2 Tribes : 



Tribe 1. Lichiniceae. — Crustaeeous, leathery. 1. Verrucaria; 

 warty. 2. Calicium, nail-like ; on posts. 3. Graphis, like writing ; 

 on trees. 4. Clad6nia, shrub-like ; C. rangiferlna, Reindeer-Moss, 

 N. Europe; food for reindeer. 5. Lecanora tartarea, Cuthbbrt 

 (Cudbear). Figs. 23, '27. L. esculenta, Manna of the Israelites. 

 See Lesson VI. 6. Megalospora affvnis, spore sprouting. Fig. 26. 



