Members of the plant body. 
Simplest forms do not have members. 
Members recognized when certain parts perform certain 
functions. 
Algae, fungi, sea wrack or ulva. 
Kond=thallus. 
Thallophytes or thallus piants. 
Liverworts or mosses. 
Duckweeds. 
Great variety in form and function of members. 
Reducible to three forms— 
I. Koot. 
2a ovetne 
ay leat: 
Reduced by some to two— 
Te ROOt: 
2. , Shoot. 
Sie: Stem 
Leaf 
Plant body 
Root 
Kinds of shoots. For convenience treat of four kinds. 
(1) Fohage shoots. 
(2) Shoots without foliage leaves. 
(3) Winter conditions of shoots and buds; annual growth. 
(4) Flower shoots. 
II. ORGANIZATION OF PLANT TISSUES. 
A tissue is a group of cells of same kind having a similar posi- 
tion and function. 
Differentiation of labor. 
Mestome, tissues for conduction. 
Stereome, tissues for mechanical support. | 
So differentiation for absorption, assimilation, perce 
reproduction, ete. 
Vissue systems, 3— 
1. Fundamental System. 
Parenchyma. 
Collenchyma. 
_ Sclerenchyma. 
