152 ELEMENTS OF BOTANY 
sympetalous corolla and these are of much use in accurate 
descriptions of seed-plants. A few of these are illustrated 
Fic. 1005. 
Wheel-Shaped 
) - Corolla of 
i Potato. 
in this chapter 
\I : pc Pes 
(Figs. 103-107). 
«ii = 
HH { 181. Forms of 
Fic. 103. : 
: nee doa the Stamen; Union 
Bell-Shaped Corolla of a i 
Bell-Flower (Cam- Salver-Shaped Corolla of of Stamens. — Sta- 
panda). Jasmine. (Magnified.) mens are of many 
specialized forms to adapt them to their functions in 
flowers of various shapes, 
but many are of the shape 
shown in Fig. 108. Such 
a stathen consists of an 
expanded part, the anther, 
bore on a stalk called 
the filament. Anthers are 
often nearly or quite ses- 
stle (i.e. destitute of fila- 
ments). Inside the anther 
Fic. 106. Fic. 107. 
iaateaes , Tubular Corolla, from Labiate or Ringent 
substance called poll n Head of Bachelor’s Corolla of Dead 
(Sect. 190). Button. Nettle. 
is the powdery or pasty 
Stamens may be wholly unconnected with each other, or 
distinct, as shown in Figs. 97, 98, 100, or they may be 
