CONTENTS. 
PAGE 
I, Introductory Explanations :— 
1. Topographical Divisions 2 
2. Ascending or Climatic Zones. ll 
3. Types of Distribution . 23 
4, Grades of Species ‘ 32 
5. Relation of Varieties to Species 40 
6. Nativity of the Species 59 
7. Explanation of the Formula used 62 
II. Synopsis of Species :— 
Orders RatviuncuLacez to EquisETacum . 79 to 420 
ITI. Segregates and their Nomenclature 425 
1. Ranunculus aquatilis, its history. 
2. Thalictrum minus, ditto. 
8. Viola canina, ditto. 
4. Hypericum quadrangulum, ditto. 
5. Valeriana officinalis, ditto. 
6. Aspidium spinulosum, ditto. 
IV. Additional List 461 
1 Segregates, 461. 2 Aliens, 464. 38 Casuals, 465. 
4 Extincts, 467. 5 Errors, 468. 6 Ambiguities 469. 
Orders RanuncuLackzé to EquisrTacEz . 478 to 
V. Notes and Corrections in Synopsis 
Cybele Britannica, explanatory notice concerning it 
Index of Names 
605 
606 
616 
617 
