86 EASY LESSONS IN VEGETABLE BIOLOGY. 



Bipin'nate, 65 : twice pinnate, or having two series of leaflets. 



Bot'any, 8: the science of plants. 



Bracts, 64 : a small leaf, or scale, from the axil of which a flower or 



its pedicle proceeds. 

 Bulbs, 61 : a fleshy roundish body consisting of scales or imperfectly 



developed leaves, producing a stem and roots. 

 Buds, 62 : a small protuberance containing the rudiments of future 



leaves, flowers, or stem. 

 Bulrushes, 73: a large kind of rush, growing in water. 



Cac'tus, 78: a family of succulent, prickly plants. 



Cap'sule, 9 : a sort of cup, or seed-pod. 



Cam'bium, 38, 59: the glutinous layer between the bark and wood, 

 from which new tissue is made. 



Cam'phor-glands, 36: groups of cells secreting camphor. 



Carbon'ic acid gas, 31 : a gas imbibed by plants for nutrition, the 

 carbon being retained and oxygen given out. 



Carpels, 70: the leaves forming the pistil, sometimes separate and 

 sometimes united into a single ovary. 



Cat'kins, 75 : a mode of inflorescence so called from its resemblance 

 to a cat's tail. 



Capit'ulum, 77 : a thick head or cluster of flowers, as a clover-top 

 or dandelion. 



Ca/lyx, 68 : the outer leaves of a flower, generally green. 



Can'dex, 61 : the stem of a palm. 



Cell, 13 : a mass of living matter. 



Cell-wall, 27: the outer layer, or membrane, of vegetable cells. 



Cel'lulose, 28: the starchy material of which the cell- wall is com- 

 posed. 



Cell-contents, 31 : materials within cells. 



Cel/lular-plants, 38 : a term given to those plants which are destitute 

 of vessels. 



Cell-families, 33 : clusters proceeding from a single cell. 



Centers of plant distribution, 80 : the original place of plant growth. 



Cha'ra, 51 : a genus of Stoneworts. 



Chemical elements of bioplasm, 14. 



Chemical products of bioplasm, 16. 



Chlorophyll, 31: the green coloring matter in plants, which some- 

 times becomes red, brown, etc. 



