278 Yapp . — On Stratification in the Vegetation of a 
sylvestris (the upper leaves are here practically reduced to leaf sheaths; 
cf. Text-fig. 6), & c. Peucedanum palustre , Symphytum officinale, &c., form 
transitions to type (3). 
Text-Fig. i. V. Valeriana dioica (Type 2). The larger leaves, whether on the flowering 
stems or lateral stolons, are formed at low levels. 
L. Lysimachia vulgaris (Type 4). Larger leaves formed at relatively high levels, on both the 
flowering and non-flowering shoots. (May x ). x f. 
1 The month in brackets after the descriptions of figures refers to the time when the field- 
sketches were made, from which the figures are taken. 
