XLVl] 



ERACHYOXYLON 



323 



Fig. 758. A, B, Brachyoxylon notabile; A, tracheitis of the secondary xylem; 

 B, traumatic resin-canals. C, D, Araucariopitys americana; C, traumatic 

 resin-canals; D, section of stem. E, F, Protodammara specioaa, cone-scales 

 {x7), see page 250. G, Brachyphyllum crassum. (After Jeffrey.) 



21—2 



