(40) 



around a columnar axis. Styles connate 

 at the apex. Alternate stamens sterile. 



7. Limnantlies. — Stamens inserted on aper- 

 igynous disc. Cai pidia 5, each l-ovulate. 

 Style entire from its base. Aquatic. 



8. Jussisea. — Petals inserted on the calyx. 

 Stigma capitate. Fruit a septicidal cap- 

 sule. Aquatic. 



9. Adenostoma. — Calyx funnel-shaped, the 

 tube 10-costate. Carpidion 1. Fruit 

 an akene enclosed in the calyx tube. 

 Shrub. 



10. AcjBna. — Calyx tube contracted at the 

 throat, angular, the angles armed with 

 glochidiate prickles. Petals 0. Stigma 

 penicillate. Fruit an akene enclosed in 

 the calyx tube. 



B. Corolla gamojjetalous. 



1. Rhododendron. — Calyx 5-parted. Cor- 

 olla funnel-shapetl, rotate. Stamens 

 ascending. Anthers dehiscent by an 

 apical pore. Capsule septicidal. Shrub. 

 Tree. 



2. Gaultheria. — Calyx 5-cleft. Corolla ur- 

 ceolate. Fruit a spurious berry, that is, 

 a capsule, 5-celled, oo-seeded, enclosed 

 in the enlarged and fleshy calyx. 

 Shrub. 



