PLANTS CELLULOSE APHYLLEE. 277 
Subseries I. A. Plant.® cellulostE APHYLLEiE. 
Fungi and Algce, Linnasus. Gynoecice, Stokes. Anandree , 
Link. 
Plants similar in all their parts, formed into an universal 
receptacle, thallus, or several partial receptacles, thecce either 
loose, or fastened to the place of growth by peltate or 
fibrous holdfasts; absorbing their nutriment by their whole 
surface. Propagation by budlike spores, which are gene- 
rally enclosed in sporidia, and these sporidia placed in or 
upon the receptacles. 
FAMILIES. 
j . Aquatic or marine : thallus filamentous , or membra- 
naceous . , often green. Algae. 
Thallus tubular; plants aquatic, greenish ; 
sporidia in the tubes HYDROPHYTE. 1. 
Thallus fibrous, or netted ; pla?its marine ; 
sporidia in thecae or in the thallus 
THALASSIOPHYTE. 2. 
2. Terrestrial or parasitical : thallus crust aceous, or leal 'her- 
like , green when wet , and grazed; sporidia enclosed in 
apothecia of various construction. Lichenes. 
Thallus corklike or fleshy; 
apothecia dissimilar, covered SARCOTHALAMEE, 3. 
Thallus crustaceous or leatherlike ; 
apothecia dissimilar, covered . . IDIOTHALAMEE. 4. 
Thallus crustaceous or leatherlike; 
apothecia dissimilar, naked . . CGENOTHALAMEE. 5. 
Thallus leatherlike or cartilaginous; 
apothecia similar . . HOMOTHALAMEE. 6. 
3. Terrestrial or parasitical : thallus threadlike or fleshy , 
not green , sometimes wanting. Fungi. 
Thallus 0 ; sporidia free, naked, or in 
a simple theca PROTOMYCEE. 7. 
Thallus threadlike, sometimes jointed ; 
sporidia attached, naked NEMATOMYCEE. 8. 
Thallus 0 ; sporidia scattered in 
a bladder-like theca GASTEROMYCEE. 9. 
