(40) 



around a columnar axis. Styles connate 

 at the apex. Alternate stamens sterile. 



7. Limnantlies. Stamens inserted on aper- 

 igynous disc. Carpidia 5, each 1-ovulate. 

 Style entire from its base. Aquatic. 



8. Jussiaea. 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. Acaena. 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 gamopetalous. 



1. Rhododendron. Calyx 5-parted. Cor- 

 olla funnel-shaped, 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, co-seeded, enclosed 

 in the enlarged and fleshy calyx. 

 Shrub. 



