264 



PRACTICAL COURSE IN BOTANY 



indehiscent fruits do the joints become 

 when separated ? (296.) 



300. Compound or syncarpous pods. 



FIG. 394. Loment of 

 beggar-ticks. 



The carpellary leaves may 



unite either by then: open 



edges, as if a whorl like that FIG. 395. Cross 



represented in Fig. 194 were 



to grow together by the capsule of frost- 



/-rr onr\ i weed, with parie- 



margms (Fig. 395) ; or each ta i placenta. 



GKAY.) 



FIG. 396. Folli- 

 cles of larkspur 

 borne on the same 



torus, but dis- 

 may first roll itself into a ^ ter GKAY -> tinct - 

 simple follicle like the lark- 

 spur and columbine (Fig. 396), and then a number of 

 these may unite by their ventral sutures into a single syn- 

 carpous capsule, with as many locules as there are carpels 



397 



FIG. 397. Pods of 

 Echeveria, contig- 

 uous, but distinct. 



398 



FIG. 398. Capsule of 

 Colchicum, with carpels 

 united into a syncarpous 

 pod. 



399 



FIG. 399. Capsule 

 of corn cockle, with 

 free central placenta. 



(Fig. 398). The seed-bearing sutures being all brought to- 

 gether in the center, the placenta becomes central and axial. 

 In the first case (Fig. 395) the open carpels form a one- 

 chambered capsule, though the placentas sometimes project, 

 as in the cotton, so far as to produce the effect of true 

 partitions with a central axial placenta. In capsules with 



