PDF - CES (IISc)

viii CONTENTS
II. LICHEN HYPHAE
PAGE
A. ORIGIN OF HYPHAE . 46
B. DEVELOPMENT OF LICHENOID HYPHAE . . . 47
C. CULTURE OF HYPHAE WITHOUT GONIDIA . . 49
D. CONTINUITY OF PROTOPLASM IN HYPHAL CKLLS . 51
III. LICHEN ALGAE
A. TYPES OF ALGAE 51
a. Myxophyceae associated with Phycolichens
b. Chlorophyceae associated with Archilichens
B. CHANGES INDUCED IN THE ALGA .... 60
a. Myxophyceae
b. Chlorophyceae
C. CONSTANCY OF ALGAL CONSTITUENTS ... 63
D. DISPLACEMENT OF ALGAE WITHIN THE THALLUS . 64
a. Normal displacement
b. Local displacement
E. NON-GONIDIAL ORGANISMS ASSOCIATED WITH
LICHEN HYPHAE . . ... . . . 65
F. PARASITISM OF ALGAE ON LICHENS . . , . 65
I.
CHAPTER III
MORPHOLOGY
GENERAL ACCOUNT OF LICHEN STRUCTURE
ORIGIN OF LICHEN STRUCTURES
A.
B.
FORMS OF CELL-STRUCTURE
TYPES OF THALLUS . .
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67
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a. Endogenous thallus
b. Exogenous thallus
II. STRATOSE THALLUS
i. CRUSTACEOUS LICHENS
A. GENERAL STRUCTURE . ... ..
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B. SAXICOLOUS LICHENS . . .
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a. Epilithic lichens
aa. Hypothallus or protothallus
bb. Formation of crustaceous tissues
cc. Formation of areolae
b. Endolithic lichens
c. Chemical nature of the substratum
C. CORTICOLOUS LICHENS
a. Epiphloeodal lichens
b. Hypophloeodal lichens
-..', . 70
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