gradually develop into flowering panicles. The winter- -bud stage 
of Paulownia is represented by a fully developed panicle (Plate 
268, Fig. 1), of ich each individual embryo flower consists 
an adequately protected bud, so that the entire panicle is 
pre to t once into full blossom when t roper 
time interesting significance of this character is 
that, superficially at least, 1t appears to represen tropical 
® 
9 
3 
Sg 
is the apparently tropical habit of its inflorescence. 
that the flowers do not bloom until relatively Iate in the season, 
in the latter part of April and early in May, when warm or 
mild weather is eaves suhae would also seem to favor 
the idea of a warm-climate 
Another eee ing and a fact is that Paulownia, 
formerly regarded as belonging to the Scrophulariaceae or 
F ee t family, is now ecas to the Bignoniaceae or Trum- 
et-creeper family with its 500 or more species that are almost 
a rature, is sp as foun n 
deposits of late Tertiary (Pliocene) age; but as to its previous 
ancestry, or the former extent of the geographic distribution 
eg ilable paleontologi d 
e, as yet, no a I g 
In Europe it was evidently exterminated by the ice and cold of 
maintain 
tern 
Asia, where it is an element in the native flora of that region. 
