PLATE 9 



Juglans californica Wats. 



Fig. 13. — Abnormal fruits — a, b. c, type x; d, e, type y. 



a', &', c', d', e'. Abnormal nuts from similar fruits. 



a", h", c" , d", e" . Similar nuts sectioned transversely and placed in 

 relatively the same position, the basal portions being uppermost in the 

 figure. All X V-i- 



Fig. 14. — Abnormal leaves — a, b, c, from second-growth lateral 

 brauchlets; d, e, f, associated with abnormal catkins; all collected from 

 wild trees in Brea Canon in 1909. X %. 



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