RV 

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UAKDEN 



CONTENTS 



PAGES 



No. 1. Parasitic Florideae, I, by William Albert Setchell 1-34 



I. Introduction 1 



II. History of Jancsewslcia 2 



III. Materials 3 



IV. Host Plants 4 



V. Morphology 5 



VI. Taxonomy 8 



Jancsewskia verrucaeformis Solms Laubach 8 



JanczewsMa Solmsii Setchell et G-uernsey i-p. nov 9 



JanczeivsJiia moriformis Setchell sp. nov 11 



Jancscwslia Gardneri Setchell et Guernsey sp. nov. 12 



Jaticsewslda lappacea Setchell sp. nov 14 



Jancsewslcia tasmanica Falkenberg 16 



Jancxeu'sliia species imperfecte cognitae 17 



VII. Eelatiouships 18 



VIII. Distribution 20 



IX. Diagnoses - 20 



X. List of Works Eeferred to 22 



XI. Explanation of Plates 24 



No. 2. Phytomorula regularis, a Symmetrical Protophyte Eelated to 



Coelastrum, by Charles Atwood Kofoid 35-40 



No. 3. Variation in Oenothera ovaia, by Katharine Layne Brandegee 41-50 

 No. 4. Plantae Mexicanae Purpusianae, VI, by Townshend Stith 



Brandegee 51-77 



No. 5. The Scinaia Assemblage, by William Albert Setchell 79-152 



I. Introduction 79 



II. Materials and Technique 82 



III. Morphology 83 



IV. Taxonomy 88 



V. Synopsis of Genera and Species 122 



VI. Key to Genera and Species • 123 



VII. Diagnosis of New Genus and of New Species 124 



VIII. Geographical Distribution 128 



UJ IX. Acknowledgments 133 



£31 X. List of Works Eeferred to 135 



XL List of Exsiccatae Eeferred to 139 



XII. Explanation of Plates 140 



No, 6. Notes on Pacific Coast Algae, I, Pylaiella Postelsiae n. sp., 



A NeAV Type in the Genus Pylaiella, by Carl Skottsberg 153-164 



No. 7. New and Noteworthy Californian Plants, II, by Harvey Monroe 



Hall 165-176 



No. 8. Plantae Mexicanae Purpusianae, VII, by Townshend Stith 



Brandegee 177-197 



No. 9. Floral Eolations among the Galapagos Islands, by A. L. Kroeber 199-220 





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