INDEX TO ILLUSTRATIONS~FOR COMPARATIVE STUDY. 



PLATE. 



Aethalium septicum ("Flowers of tan") -' V. 



Agaricus campestris (Common Mushroom) - XIX. 



Antheridium of Aspidium • XXIII. 



Chara XIX. 



Equisetum - XXIV. 



Fucus ----- XIII. 



Funaria ... - XXI. 



Marchantia - - - - XX. 



Penicillium - XIV. 



Peziza XIV. 



Polysiphonia - - - XVIII. 



Vaucheria - - - - XI. 



Volvox globator - - - IX. 



Antherozoid of Aspidium - - - XXIII. 



Chara XIX. 



Equisetum - - - - XXIV. 



Fucus - - - - - XIII. 



Marchantia - XX. 



Oedogonium - - - XI. 



Polysiphonia ... XVIII. 



Polytrichum - XXI. 



Selaginella - XXV. 



Vaucheria - - - - XI. 



Volvox globator - - - IX. 



Apothecium of Cetraria - XV. 



Archegonium of Aspidium - - - - XXIII. 



Equisetum - - - - XXIV. 



Funaria- - XXI. 



Marchantia - XX. 



Selaginella - XXV. 



Ascospore of Cetraria XV. 



Penicillium - XIV. 



Peziza XIV. 



Ascus of Cetraria XV. 



Penicillium XIV. 



Peziza XIV. 



Aspidium Filix-mas (Male Shield Fern) - XXII. 



Bacterium II- 



Bacillus Anthracis HI. 



Carpogonium of Chara - - - - XIX. 



Penicillium - - - - XIV. 



Peziza XIV. 



Polysiphonia ... XVIII. 



Cetraria islandica (Iceland Moss) - - XV. 



Chara (Stonewort) - - - - XIX. 



Cladophora - - V. 



Conceptacle of Fucus XIII. 



Conjugation of Cosmarium - - - - VI. 



Frustulia VI. 



Mucor VIII. 



Spirogyra - - ' " V1, 



Cosmarium Botrytis VII. 



Meneghinii - - - - VI. 



Cystocarp of Polysiphonia - - - - XVIII. 



Diatoma vulgaris VI. 



Elaters of Equisetum XXIV. 



Marchantia XX. 



Embryo of Equisetum XXIV. 



Selaginella XXV. 



Endosperm of Selaginella - XXV. 



Enteromorpha V. 



FIGS. 



14 



h 2, 3 



3,4 



3,4, 5 



9 



3 



3 



6,8 



8 



5 

 1 



4, 5 



i,5 



5,6 



6 



10 



6 



8 



10, 12, 13 

 \a 



4 

 9 

 4 



1,3,5,6,7 



i,3 

 3,7 



11 



5 

 6,9 



11, 12 



5 

 10, 11 



4 



3,5 



10 



2,3,4 



4,5 

 1 



3,4 

 8 



5 



3,4 

 1 

 1 



1, 2, 3, 4 



1,2 



9, 10 



15 



7 



5,6 



i-4 



8 



2 



14 

 8 

 11 

 11 



13, 14 



10 



8,9,10,11 



l'LATKS. I'ICS. 



Equisetum (Horsetail) XXIV. 1,2,3,12 



Euglena I. 8 



Fertilization of Polysiphonia - - - XVIII. 4 



Fucus (Bladder Wrack) - - - XIII. 1 



Funaria ------- XXI. 2 



Gemmae of Lunularia XX. 5 



Gills of Mushroom XVII. 4,5 



Gloeocapsa I- 1 



Gonidia of Cetraria ' XV. 2, 3 



Cladophora — Zoo-gonidia - - V. 4, 5 



Mucor — Endo-gonidia - - VIII. 4,5 



Oedogonium — Zoo-gonidia - - XI. 8, 9, 16 



Pandorina — Zoo-gonidia - - IV. 30, // 



Penicillium — Stylo-gonidia - - XIV. 6, 7 



Phytophthora — Stylo-gonidia - XI. 2, 3, 4 



Do. Zoo-gonidia - XI. 5, 6, 7, 8 



Polysiphonia — Tetra-gonidia - XVII. 10, 11 



Protococcus — Zoo-gonidia - - IV. id 



Ulothrix — Zoo-gonidia - - IV. 5, 6 



Ulva — Zoo-gonidia V. 7 



Vaucheria — Zoo-gonidia - - XI. 2, 3 



Yeast — Endo-gonidia - - - I. 9^,/ 



Growing point of Chara - - ' - - XIX. 2 



Plocamium - - - XVII. 9 



Hydrodictyon (Water-net) - - - - IV. 10 



Laminaria (Tangle) XIII. 10,11 



Leaf of Barberry with Aecidium-fruits - - XVI. I 



Lycopodium XXV. 2 



Wheat with Rust - - - - XVI. 4 



Leaf— fertile of Chara XIX. 3,4 



Equisetum - - - - XXIV. 5 



Fern - - ' - , - - XXII. 2 



Lycopodium - - - XXV. 3 



Leaf-sheath of Equisetum - - - - XXIV. 1, 2, 3 



Life History of Chara XIX. XXVI. 



Conferva, etc. - - - V. 



Conjugate - - - - VI. 



Equisetum r XXIV. XXVI. 



Fern XXIII. XXVI. 



Flowering Plant - - . - XXVI. 



Fucus XIII. 



Lycopodium - - - XXV. 



Marchantia XX. XXVI. 



Moss XXI. XXVI. 



Mucor ----- VIII. XXVI. 



Myxomycetes v - - - V. 



Oedogonium - - - XI. XXVI. 



Pandorina - - - - IV. 



Penicillium - - - - " XIV. 



Phytophthora - - - XII. 



Pine XXVI. 



Polysiphonia - - - XVIII. 



Protococcus - - - - IV. 



Rust of Wheat - - - XVI. 



Selaginella - - - - XXV. XXVI. 



Spirillum - - - - H. 



Ulothrix --- - IV. XXVI. 



Vaucheria - XI. 



Volvox X. 



Yeast - - - - - I. 



Lunularia (Moonwort) XX. 1 



