PLANTS WITH TRAPS AND PITFALLS TO ENSNARE ANIMALS. 



139 



Fig. 25A.— Swamispores, Zygospores, and Chlorophyll-borlies. 



a— d, Development of Swarmspores in the tubular cells of Vaiickeria clavata. e— h, Swaimspores and Resting-cells of "red- 

 snow" iSphaerella nivalis), mixed with pollen-grains of Pines, i— k, Forms of Chloiophyll in cells of Desmidieas (i. Clos- 

 terium Leihleinii; k, Penium interruptum). 1, Formation of Zygospores and spiral arrangement of Chlorophyll-bodies 

 in cells of Spirogyra arcta. m. Star-shaped Chloi-ophyll-bodies in cells of Ziignema pectinahtm. n— o, Gloeocapm san- 

 guinea. p, Protonema of Schistostega osmundacea. q, Transverse section of the foliage-leaf of Satureja hortensiv. All 

 figs, enlarged. 



Restricting ourselves to a consideration of other members of the family Scro- 

 phulariacese allied to Lathrcea and Bartsia, we find in the Lousewort (Pedicalaris) 



