92 EASY LESSONS IN VEGETABLE BIOLOGY. 



Prothallium, 54 : a structure in Ferns similar to the pro-embryo in 



Stone-worts. 

 Putrefac'tion, 47 : decay of albuminoid matter, produced by the action 



of Fungi. 



Rad'ical, 65 : belonging to the root. 

 Recep'tacle, 68 : the tip of the flower-stalk, sometimes dilated, which 



supports the organs or florets. 

 Retic'ulated, 35 : like a net- work. 

 Red snow, 42 : one of the type of Protopliytes. 

 Re'gions of vegeta'tion, 82. 



Reproduction, 20 : the multiplication of cells or individuals. 

 Resemblances of bi/oplasm, 14. 

 Rhizome', 53 : an under-ground stem. 

 Roots, 59. 



Ros'es, 78 : a family of flowering plants. 

 Run'ners, 61 : branches of stems which give off roots from their 



nodes. 

 Rust in wheat, 48: a species of fungus. 



Sea-weeds, 46. 



Scales, 62 : undeveloped leaves protecting buds, etc. 



Scape, 61 : a flower-stem without leaves. 



Sagittate, 65 : arrow-shaped. 



Seeds, 70: the part containing the embryo in flowering plants. 



Sedg / es, 71 : a family of plants similar to rushes. 



Se'pals, 68 : the leaves of the calyx. 



Sieve-tubes, 35 : cells forming tubes by sieve-like perforations through 



adjacent ends. 



Ses'sile, 64, 68 : without footstalk. 

 Scalar'iform, 53: ladder-like. 

 Show'ers of blood, 42. 

 Shapes of leaves, 65. 

 Soul and life, 10. 



Sorus, 54 : the fruit-spot on a fern. 



Spores, 52: parts analogous to the seeds of flowering plants. 

 Spore'-cases, 52 : the vessels containing the spores in Ferns, etc. 

 Sporan'gia, 51 : spore-cases. 

 Spe'cies, 25 : a group of individuals which may have descended from 



a single pair. 



