160 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



[Vol. 2 



Family 272. Myricaceae. Bay berries. Shrubs and trees, 

 with alternate, simple leaves and small, achlamydeous, 

 diclinous flowers; petals 0; pistil free, bicarpellary, 1-celled; 



ovule 1, erect, orthotropous; endosperm 0. Myrica. (Pf. 



V:26.) 



Family 273. Julianaceae. Dioecious, tropical trees, with 

 alternate leaves; flowers small, apetalous, dioecious; stamens 

 4-8; pistil of 3-5 carpels; endosperm 0. Juliana. (Pf. Nach- 

 trage zu Teil ii-iv, 335, and Syllabus, 161.) This family is 

 given place here very doubtfully. 



Family 274. Proteaceae. Shrubs, trees (and herbs) of the 

 southern hemisphere, with mostly alternate, simple, usually 

 coriaceous, evergreen leaves; flowers perfect or diclinous; 

 sepals petaloid; petals 0; stamens 4; pistil monocarpellary, 

 1-celled ; ovule 1, erect or pendulous ; endosperm little or none. 

 Protea, Leucadendron, Grevillea, Hakea, Banksia. (Pf. 

 3 1 : 118.) This puzzling family is given place here very 

 doubtfully. 



Order Umbellales. Flowers actinomorphic (regular), 

 usually perfect, 4-5-merous; calyx small to minute; stamens 

 usually definite (4-5) ; pistil syncarpous, 1 to many-celled, its 

 ovary inferior; ovules solitary, pendulous; styles free or 

 united at the base ; endosperm copious ; embryo usually minute. 

 (Species about 2809.) 



Family 275. Araliaceae. Aral i as. Trees, shrubs (and 



herbs), mostly tropical, with alternate leaves; flowers in 



umbels, heads, or panicles; ovary 2-15-celled; fruit a berry 



with a fleshy or dry exocarp. Hedera, Aralia, Panax. (Pf. 



3 8 :1.) 



Family 276. Apiaceae. Parsleys. Herbs (shrubs and 



trees), with alternate leaves; flowers small, pentamerous, 

 mostly umbellate; ovary 2-celled; fruit splitting into two dry 

 indehiscent mericarps. Hydrocotyle, Sanicula, Eryngium, 

 Coriandrum, Conium, Apium, Cicuta, Carum, Foeniculum, 

 Angelica, Ferula, Heracleum, Daucus. (Species 2177.) (Pf. 

 3*: 63.) 



Family 277. Cornaceae. Cornels. Shrubs and trees (rarely 

 herbs), with usually opposite leaves; flowers larger, 4-5- 



