128 A GARDEN FLORA 
OTHONNOPSIS. African Ragwort. Compositae. 
0. cheirifolia. Barbary Ragwort. Algeria. 
Syn. Othonna cheirifolia. 
OURISIA. Scrophulariaceae. 
0. coccinea. Chiloe. 
0. macrophylla. New Zealand. 
OXALIS. Geraniacese. 
0. enneaphylla. Falkland Islands. 
0. variabilis, var. rubra. S. Africa. 
OXYCOCCUS. Cranberry. Vacciniacese. 
0. macrocarpus. American Cranberry. E. North 
America. 
OXYDENDRON. Ericaceae. 
0. arboreum. Sorrel Tree. E. North America. 
Syn. Andromeda arborea. 
OZOTHAMNTJS. See HELICHRYSUM. 
P 
PACHYSANDRA. Euphorbiaceae. 
P. terminalis. Japan. 
„ var. variegata. 
PACHYSTIMA. Celastraceae. 
fP.^Canbyi. N. Carolina and Virginia. 
P.S20NIA. Paeony. Ranunculaceae. 
P. albiflora. Siberia. 
P. Moutan. Moutan or Tree Paeony. China. 
„ Many imported varieties. 
„ Many garden varieties. 
P. officinalis. Common Garden Paeony. Europe, 
i, var. camescens plena. 
„ var. rosea plena. 
