XV1 CONTENTS. 



PAGE 



Elaters, Spores, Dehiscence Lines in Capsule Wall; 

 Development of Sporogonium; Division of Spore Mother 

 Cells ; Dehiscence of Capsule ; Germination of Spores ... 316 

 Funaria hygrometrica : General Characters ; Rhizoids ; Structure 

 of Leaf and Stem; Male "Flower"; Antheridia ; Arche- 

 gonia ; Development of Sporogonium; Operculum, Peristome, 

 Annulus ; L. S. of Capsule ; Air-Space ; Stomata on Apo- 

 physis; T. S. of Capsule; The Capsule as Assimilating 

 Organ ; Protonema, Buds, Bulbils ' 328 



CHAPTER XL 

 FERN, LYCOPODIUM, SELAGINELLA. 



Male Shield Fern : General Characters of Sporophyte ; General 

 Anatomy of Rhizome; "Vascular Skeleton"; T. S. of 

 Stem ; L. S. of Stem ; Macerated Tissues ; T. S. of Root ; 

 Structure of Leaf; Sorus and Sporangia; Dehiscence of 

 Sporangium ; Development of Sporangia ; Cultivation, De- 

 velopment, and General Characters of Prothallus : Sexual 

 Organs ; Young Sporophyte ... ... ... 342 



Lycopodium : General Characters ; Structure of Cone ... ,355 



Selaginella : General Characters ; Stem, Leaf, Rhizophore, Root, 



Sporangia, and Spores ; Germination of Spores 357 



CHAPTER XII. 

 SCOTS PINE, YEW, CYCAS. 



Scots Pine : General External Characters ; Resting Buds ; 

 Opening of the Buds ; T.S. Young Stem ; T. S. Three-year- 

 old Stem ; Radial and Tangential L. S. of Stem ; Structure 

 of Root ; Structure of Foliage Leaf (T. S. and L.S.) ; Male 

 Cone (General Characters and L. S. and T. S. ) ; Pollen 

 grains ; Female Cone in different Stages ; L. S. of Ovule, 

 with Archegonia ; Structure of Seed ; Germination 363 



Yew : General External Characters ; Structure of Stem, 



Leaf, and Root ; Male and Female Flowers ; L.S. of Ovule 383. 



Cycas : General External Characters ; Structure of Leaf ; 



Normal and Coralloid Roots ; Stamens ; Carpels ; Ovule ... 386 



APPENDIX ox REAGENTS ... ... 390 



INDEX 



