Scrophulariaceae 



Fig. 4. Scrophulariaceae. a, monkey flower, b, flower of penstemon. 

 c, detail of penstemon flower, d, flowering stalk of penstemon, e, open 

 penstemon capsule, f, lousewort. g, Indian paintbrush. 



Cruciferae 



Fig. 5. Cruciferae. a, flowering stalk of bladder pod. b, fruM of bladder 

 pod. c, fruiting stalk of bladder pod. d, peppergrass fruit, e, typical flower, 

 f, fruiting stalk of fringe pod. g, fringe pod fruit, h, rock cress fruit, 

 i, fruits of sea rocket, j, rock cress, k, desert candle. 



Cyperaceae 



<? flowers 



Fig. 6. Cyperaceae. a, flower stalk of sedge, b, stem cross section of 

 sedge, c, detail of typical pistillate flower, d, flower scale, e, detail of 

 staminate flower, f, common tule. g, flower clusters of common tule. 

 h, spike rush, i, umbrella sedge. 



