Classification of Plants 



267 



14. Kinds of Tissue-cells 



' i. Cork cells or epidermal cells 



2. Bast cells 



3. Green -bark cells 



4. Cambium cells 



5. Primary meristem cells 



6. Wood cells 



7. Tracheids or pitted cells 



8. Pith cells 



SEEDS. 



i. Re 



^productive Bodies j i. Spores of cryptogams (cells) 



in Plants { 2. Seeds of phaenogams (containing embryo) 



' i. Seed-coats 



i. Testa 



Markings 



1. Hilum (scar) 



2. Raphe (ridge) 



3. Chalaza 



4. Micropyle 



2. Shape 



3. Color 



f i. Wings 



I 2. Fibers (coma) 



4. Appendages [ 3. Wool (cotton) 



I 4. Aril (bladders) 

 1.5. Strophiole 



2. Inner coat (thin membrane) 



,2. Kernel 



