76 Scientific Intelligence. 
forms of Epigea are ever fruitful, or fully so. It might not be 
difficult to ascertain the kind of flower in any case which has 
matured fruit; for the style and stigmas persist until the capsule 
is well formed in the fruit thus far known. 
The exstivation of the corolla is that of the tribe, imbricated, 
but with a strong tendency to convolute ; more commonly thereis 
be. G 
only one exterior and one interior lo 
way); by Ax ; . 
is the substance of two lectures delivered by Dr. Blytt at meet- 
insular species. To explain these leaps is to bring in the question 
short distances at a time?” Ithough drifting ice, bring™g — 
seeds and plants lodged in earth, is a known means of transport, — 
