AMENTACE^ 



373 



plants which have large seeds and subterranean coty- 

 ledons. 



The buds of the Oak^ (Quercus pedunculata) (Figs. 

 270, 271) are even more complicated than those already 

 described. They are a rich brown, and make a beautiful 

 contrast with the greyish-black of the stems. They are 



i/kAlM^^ 



c^^ CG 



cx:^cncn 



Fig. 272. Fig. 273. Pig. 274. Fig. 275. Fig. 276. Fig. 277. Fig. 27S. Fig. 279. Fig. 280. 



mmmmffl 



Fig. 290. 



Fig. 292, 



Fig. 



FiQS. 272-285. — Quercus pedunculata. Pairs of stipules forming tlie scales of the 

 winter 1)ud, sketched in the first week of May ; some of them had small lateral 

 buds between them, but no leaf; the bud had resumed growth, was obloug, and 

 16'5 mm. iu length, x 2. 



Figs. 286-292. — Stipules which had elongated when growth was resumed in spring. 

 X 2. st st, stipules ; I, leaf, conduplicate in bud, but not likely to attain any 

 great size if it had been allowed to develop. 



short and conical, and the colour, together with the 

 arrangement of the scales, gives them a curious similarity 

 to a miniature cone of a Pine. The buds differ con- 

 siderably in size, but are comparatively short, broadest 

 above the base but somewhat below the middle, covered 

 with dry brown stipules arranged in five imbricating 

 rows. The buds are slightly pentangular, each of the 

 five angles being made up of one stipule from each of 

 two contiguous and successive pairs. The pentangular 



' Avebury (Lubbock), Suds and Stipules. 



