f 
= Ge’ Ib ADR. = a! nS Pe. & SST ae S90 J 2 Ye . #38 ee eit See Se ee ee” et PR ee 7 Fe 
acd Ske eh e Wty aay = fe Ren, Dae Leese! Ma Ee We nad i POC LEn Fe me a ie ui? 
ey ate, ; x { wah, 5 ‘ oy - 2. ‘ oF SR: 
© 134.26 
__ accrescent|, and forms. a membranous sack which envelepes: 
6 —- Structural and Physiological Botany. = 
oe 
the same time as the corolla; or persistent [when it remains 
- after the corolla has fallen]. The calyx generally leavesa 
smooth scar when it falls off; less often, as in Datwra and 
Fic. 231.— Spurred calyx of Tvop@olum. Fic. 232.—Saccate calyx of Lunaria- 
Portulaca, the lower part remains attached like a ruffle. 
The persistent calyx often retains its form unchanged, 
as in the strawberry ; but,~sometimes, as in the.winter- ~~ ~ 
\( 4 
<Z_ | 
Fic. 233.-—Caducous calyx Fic. 234.—Longitudinal section through the | 4 
of poppy. | accrescent calyx of Physalis Alkekengt sur- 
é rounding the fruit. ‘ 
cherry, Physalis Alkehengi (Fig. 234), it increases in size [or is 
) 
"8 
