GLOSSARY AND INDEX. 93 



Spontaneous genera/tion, 21. 



Spi'ral arrangement of leaves, 64. 



Sta'mens, 67 : the male organs in flowers. 



Stems, 60 : the stalk, or part which bears the leaves, flowers, and 

 fruit. 



Starch, 31. 



Stig'ma, 68 : the upper part of the pistil. 



Stip'ule, 64 : leaf-like appendages to the petiole. 



Sto'ma, 36: the opening between the cells of epidermis for evapora- 

 tion, etc. 



Stone' worts, 50 : an order of Acrogens. 



Squamose, 61 : scaly as the cone of a pine. 



Style, 68 : the pillar or filament, supporting the stigma of the pistil 



Suc'culent, 69 : juicy, fleshy. 



Tei/nate, 65 : an arrangement of three leaflets on a petiole. 



Thallogens, 26: a type of plants. 



Theories of life, 10. 



Transitional forms unknown, 80. 



Tu'ber, 61 : a fleshy rounded stem or root, as the potato. 



Tu'berous, 60: containing tubers. 



Tu'nicated, 61 : covered with layers, as the onion. 



Tripin'uate, 65 : bipinnate leaves on each side of a petiole. 



Types, 25, 26: general plans of structure. 



Unicellular, 40 : having a single celL 

 Un'ion of cells, 33. 



Unorganized, 27 : matter which has not lived. 

 Um'bel, 77 : a flower cluster in which the stalks spread from a com- 

 mon point. 

 Umbelliferous, 77: bearing umbels. 



Varieties, 25 : races or breeds among species. 

 Vas'cular, 38 : belonging to vessels. 

 Yalv'ate, 78 : meeting at the edges without overlapping. 

 Yes'sels, 35 : tubes or canals among the cells. 



"Wa'ter in bioplasm, 14. 

 White blood-cells, 13, 20. 



