7. 



British Seaweeds. 



An introduction to the study of the marine Algae of Great 

 Britain, Ireland, and the Channel Islands. By S. O. Gray. 



Contents :— Systematic list of Orders, Genera and Species. — Structure, etc. — Colour and 

 Distribution. — Collecting and Preserving. — Description, Distribution and Habitats of («) 

 Olive-coloured Sea-weeds ; (i5) Red Sea-weeds ; and (c) Green Sea-weeds. — Explanation of 

 Scientific Terms. — Index. 



1 6 coloured Plates, illustrating 55 species, with structural 

 details. Price "js. 6d. net. 



8. 



£dible Mollusca 



of Great Britain and Ireland, with receipts for cooking them. 

 By M. S. LovELL. Second Edition. 



In this work the edible British Molluscs are described under the several Orders to which 

 they belong, with descriptive notes of their habits, popular names and uses in various 

 countries, historical references, methods of collecting, and receipts for cooking. The authoress 

 has gathered much cjrious and interesting information on the subject from both scientific and 

 antiquarian sources. 



12 coloured Plates, illustrating 26 species. Price 7^-. 6^/. net. 



9. 



British Grasses. 



An Introduction to the study of the Gramineae of Great Britain 

 and Ireland. By M. Plues. 



Contents : — I. Introduction. — II. Structure. — III. Cereal Grasses. — IV. Agricultural 

 Grasses. — V. Industrial and Economic Grasses. — VI. Ornamental Grasses. — VII. Classifica- 

 tion. — VIII. Descriptions of Genera and Species, including notes on varieties, geography, 

 economic uses, etc. — Index. 



16 coloured Plates, illustrating 43 grasses, and 100 wood- 

 cuts, showing the general character and structural details of each 

 species. Price ']s. 6d. net. 



10. 



British Ferns. 



An Introduction to the study of the Ferns, Lycopods and 

 Equiseta indigenous to the British Isles, with chapters on the 

 structure, propagation, cultivation, diseases, uses, preservation 

 and distribution of Ferns. By M. Plues. 



Contents : — In addition to the subjects mentioned in ihe title there is a chapter on classi- 

 fication and one giving an extensive list of localities in which each species has been found. 



16 coloured Plates, illustrating 32 ferns, and 55 woodcuts, 

 showing the general character and structural details of each species. 

 Price Ts. 6d. net. 



