Plate IV. 



F\^. 49, Transverse section of a cotyledon of Actinostemma racemosum. e. 

 epidermis ; st, stoma ; pa, pallisade;parench3'ma :^sp, spongy paren- 

 chyma ; /, fibro-vasciilar bundle; /, intercellular si>a('e. Zeiss, 2x1'. 



Fig. 50-54. Diagrams of transverse sections of a tendril of Bem'ncafta 

 cerifera through various portions. Fig. 50. The proximal ])ortion ; 

 Fig. 51. A fartlier'])ortion ; Fig. 52 and Fig, 53. Still farther 

 portions; Fig. 54. The distal portion. /; fihro- vascular bundle; 

 h, central hollow. 



Fig, :x). Transverse section of a yonng root of Acthiostemma raccmosvm. 

 e, epidermis; /, intercellular space; ew, endodermis ; ^>r, pericambium ; 

 X, tetrarch bundle. Zeiss, 4 x B. 



Fig. 56. Scheme of a longitudinal section through' a tubercle on|_the surface 

 of the fruit of Momordica Charanlia. f, fibro- vascular bundle ; t, 

 tubercle. 



Fig. 57. Trichome from the surface of a young fruit of Ctccitmis sativum, 

 sujiported on a protuberant parenchymatous base, a, trichome ; e, 

 epidermis ; h, protuberant parenchymatous base. Zeiss, 2 x 13. 



Fi"'. 58. Lonoitudinal section throu2;li a tubercle on the surfacejîof the fruit 

 of Jctinostemina racemosiim. t, tubercle composed of parenchyma ; 

 e, epidermis ; p, parenchyma ; sc, a portion of sclerenchyma form- 

 ing an incomplete ring around the pericar[) ; _/", reduced fibro-vascular 

 bundle. Zeiss, ?> x B. 



