iii the Stock (Matthiola incana). 
467 
bearing valves. 37. Ripe fruit, showing that the valve carpels contribute to the formation of the 
short style. 38, 39. (Diagrammatic.) Showing Lindley’s idea of the possible derivation of the 
Esckscholzia type from the Cruciferous ground-plan. 38. Cruciferous ground-plan ( a , a, position 
of stigmas ; b, b, placentae ; c, c, ovules ; d, d, double septum ; e, e, valves). 39. Ground-plan of 
Esckscholzia ( a , a, perfect stigmas ; b, b, sides of pericarpium connecting the placentae ; c, c, ovules ; 
d, d , abortive stigmas ; e, e, line of pericarp corresponding with the abortive stigmas). 40. Siliqua 
of Cheiranthus Cheiri , showing commissural outgrowths. 41. Transverse section of the fruit of 
Guiraoa arvensis. 42, 43, 49. Rapistrum. 42. Fruit of R. perenne , showing the smaller basal 
segment and the larger upper one. 43. Transverse section of the upper segment, showing the eight 
valves. 49. Transverse section of the lower segment of the fruit of R. aegyptinm. 44. Many- 
valved lomentose fruit of Enarthrocarpus clavatus. 45. Brassica cheiranthijlora, siliqua cut across, 
showing the 3-ribbed valves. 46-7. Esckscholzia crocea. 46. Fruit with eight stigmas. 47. Ovary 
with two single filiform stigmas over the commissures and two globed plates over the valves. 
48. E. californica, portion of fruit, showing ten ribs and numerous rows of ovules. 50-51. Corydalis. 
50. Stigmatic disc of C. bulbosa with eight processes. 51. The same of C.fabacea. (Figs. 36, 37, 
44 after Cosson ; 38, 39 after Lindley; 41 after Willkomm ; 42, 43, 45, 50, 51 after Reichenbach; 46, 
49 after Raillon ; 47 after Payer; 48 after Hooker; 40 original.) 
