10. 
(40 ) 
around a columnar axis. Styles connate 
at the apex. Alternate stamens sterile. 
Limnanthes.—Stamens inserted on a per- 
igynous disc. Carpidia 5, each 1-ovulate. 
Style entire from its base. Aquatic. 
Jussixa.—Petals inserted on the calyx. 
Stigma capitate. Fruit a septicidal cap- 
sule. Aquatic. 
Adenostoma.—Calyx funnel-shaped, the 
tube 10-costate. Carpidion 1. Fruit 
an akene enclosed in the calyx tube. 
Shrub. 
Acena.—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. 
Gaultheria.—Calyx 5-cleft. Corolla ur- 
ceolate. Fruita spurious berry, that is, 
a capsule, 5-celled, o-seeded, enclosed 
in the enlarged and fleshy calyx. 
Shrub. 
