ERRATA 



Pages 1, 11, 13, 17, 25, 26, and 31, for leaflets read leaves. 



Page 19, lines 17 and 18 from top, page 29, line 19 from top, and 



page 30, line 2 from top, for leaves read twigs. 



Page 23, the paragraph under Leaf should read: " Leaves of two 



kinds, one scale-like and flat, the other keeled, all tightly pressed to 



the twig (see Fig. 13)." 



Page 29, line 2 from top, for half an inch read one inch. 

 Page 38, line 4 from top, for terminal twigs read tips of the twigs- 

 Page 55, last line should read: "Leaf: Like that of a leaflet of 



maidenhair fern, Fig. 45." 



Page 90, line 4 from bottom, for an inch read three-quarters of 



an inch. 



Page 91, line 2 from top, for flower read fruit. 



Page 100, paragraph "Distinguishing characters," under "Black 



Locust" should read: "The bark of the trunk is rough and deeply 



ridged, as shown in Fig. 81. The buds are hardly noticeable; the 



twigs sometimes bear small spines on one side. The leaves are large, 



compound, and fern-like. The individual leaflets are small and 



delicate." 



