THIRD SERIES.] [VOL. Vi: 



' CONTENTS- 



INTRODUCTION^— ^^^^ 



I- — Physicax Description of Irkland : — 



Position — size — surface — rain — wind — temperature- 

 rocks and soils, ........ i 



II- — BoTAificAx Features oe Ireland : — 



Total Flora— Watson's types. Topographical groups : — 

 the South and West— South European plants, North 

 American plants, low-level alpines— the Central Plain— 

 the East coast. Plant-groups dependent on soil and 

 moisture— calcicole and caleifuge species— plants of the 

 sea-coast— plants of sands and gravels- plants of the 

 bogs— plants of -the marshes— plants of the rivers— the 

 Shannon— plants of the lakes—Lough Neagh. Human 

 influence on the flora- cultivation, &c.— towns— inland 

 navigation— railways— birds and tillage, . . . xvii 



III- — Botanical Subdivision of Ireland : — 



History— nature of boundaries- list^ of the divisions- 

 definition of boundaries— areas— numbering of divisions. 

 Description of each division, .... xxxix 



IV. — The Field-work: — 



State of knowledge in 1895. Independent exploration, 

 1896-1900. Exploration carried out for the present work, 

 1896-1900— field of observation— impressions— methods, Ixxxii 

 — ~-__V. — Thk County Eecords : — 



^^^'-^--Jrinciple of latest records. Explanation of the formula, 



VI. — Bibliography : — 



Principal materials used. Bibliography of Irish topo- 

 graphical botany, ^ ^^.^^ 



VII. — Table oe P stribution, . . . . . cxlviii 



IRISH TOPOGRAPl '^JAL BOTANY, . . . . i 

 I^DEX, ^Oj 



LIST OF MAPS. 



1. Ireland in forty Botanical Divisions, .. to face Title-pa ffe 



II. Three Maps showing Peogee.ss or the Field-work, 



to face page Ixxxiv 

 III. Key-map to the Divisions AND TfiEiR GRouPEfG, . . at end 

 IV. Map showing present STATEf'oF Botanical Knowledge, 

 V. Petrographical Map of Ireland, .... 

 VI. OeographiCal Map of Ireland, 



Dublin ; Printed at the University Press, by PONSONBY & WELDRICK, 

 Printers to the Academy. 



