A Synopsis of Plant Phyla 75 



Family 200. Cunoniaceae. Shrubs and trees, mostly of the 

 southern hemisphere, with opposite or whorlecl leaves ; sepals and 

 petals 4 to 6 each ; stamens twice as many ; carpels 2 to 5, united. 

 Bclangera, Cunonia. (Pf. Ill, 2a, 94.) 



Famil}- 201. Myrothamnaceae. Small, rigid, balsamic South 

 African and Madagascar shrubs, with opposite leaves, and dioe- 

 cious, achlamydeous flowers. Myrcthamnus. (Pf. Ill, 2a, 103.) 



Family 202. Bruniaceae. Heath-like shrubs of the southern 

 hemisphere, with small leaves ; stamens definite ; pistil mostly 3- 

 celled, inferior or superior ; ovules i to many, pendulous. Brunia. 

 (Pf. Ill, 2a, 131.) 



Family 203. Hamamelidaceae. Shrubs and trees with mostly 

 alternate leaves ; stamens few or many ; pistil bicarpellary, its 

 ovary inferior; ovules solitary or many. Liqnidanihar, AUingia, 

 Hamamclis. (Pf. Ill, 2a, 115.) 



Family 204. Casiiarinaceae. Shrubs and trees with striate 

 stems bearing whorls of reduced scale-like leaves ; disk o ; petals 

 o; pistil i-celled; ovules 2, lateral, half anatropous ; endosperm o. 

 Casuarina. (Pf. Ill, i, 16.) This family which has puzzled 

 botanists from the first, is doubtfully placed here, on the theory 

 that these plants are leafless relatives of the Hamamelidaceae. 



Family 205. Eucommiaceae. Chinese trees, with alternate 

 leaves, and achlamydeous flowers; stamens 6-10; pistil one- 

 celled, two-seeded. Eucouunia. (Pf. Nach. 159.) 



Family 206. Platanaceae. Trees with alternate leaves, and 

 monoecious flowers in globular heads; perianth o; pistils i-celled, 

 i-ovuled; endosperm minute. Platanus. (Pf. Ill, 2a, 137.) 



Order Myrtales. Flowers regular or nearly so, usually per- 

 fect; pistil of united carpels, usually inferior; placentae axile or 

 apical (rarely basal) ; style i (rarely several) ; leaves simple, 

 usually entire. 



Family 207. Lytliraceae. Herbs, shrubs, and trees usually with 

 opposite leaves and 4-angled branches ; stamens definite or in- 

 definite ; pistil 2- to 6-celled, free ; ovules numerous, on axile pla- 

 centae. Ly thrum, Cnphea, Lagerstroemia. (Pf. Ill, 7, i.) 



Family 208. Sonneratiaceae. Tropical trees with opposite 

 leaves ; ovary, sunken in the calyx-cup, many celled ; stamens 

 many. Sonneratia. (Pf. Ill, 7, 16.) 



349 



