68 Charles E. Bessey 



Family 267. Coriariaceae. Shrubs with opposite, sessile 

 leaves; 5 sepals; 5 petals; 10 stamens; 5 to 10 carpels, slightly 

 united. Coriaria. (Pf. Ill, 5, 128.) 



Family 268. Anacardiaceae. Sumachs. Trees and shrubs, 

 mostly tropical, with alternate, usually compound leaves; disk 

 usually annular; petals 3 to 7 or o; pistil i- to 5-celled; ovules 

 solitary, pendulous (or erect) ; endosperm scanty or o. Man- 

 gifera, Anacardium, Schinus, Cotinus, Metopium, Rhus. (Pf. 



in, 5, 138.) 



Family 269. Juglandaceae. Walnuts. Trees and shrubs, with 

 alternate, compound leaves; disk forming a capsule; pistil i- 

 celled, inferior; ovule i, erect, orthotropous ; endosperm o. 

 Engelhardtia, Jnglans, Hicoria. (Pf. Ill, i, 19.) 



Family 270. Betulaceae. Birches. Trees and shrubs, with 

 alternate, simple leaves, and monoecious or dioecious flowers, 

 which are in aments ; petals none ; calyx small or none ; stamens 

 2-10; pistil i-2-celled. Carpinus, Ostrya, Coryhis, Betula, Alnus. 

 (Pf. Ill, I, 38.) 



Family 271. Fagaceae. Beeches. Trees and shrubs, with al- 

 ternate, simple leaves; disk o; petals o; pistil 2- to 6-celled, in- 

 ferior ; ovules 2, erect or pendulous ; endosperm o. Fagus, Cas- 

 tanca, Pasania, Quercus. (Pf. Ill, i, 47.) 



Family 2y2. Myricaceae. Bayberries. Shrubs and trees, with 

 alternate, simple leaves; disk o; petals o; pistil free, i-celled; 

 ovule I, erect, orthotropous; endosperm o. Myrica. (Pf. Ill, 

 I, 26.) 



Family 273. Julianaceae. Dioecious, tropical trees, with leaves 

 clustered at the ends of the twigs ; flowers small, apetalous, dioe- 

 cious; stamens 4-8; pistil of 3-5 carpels. Juliana. (Pf. Nach. 

 335, and Syllabus iii.) This family is given place here very 

 doubtfully. 



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

 southern hemisphere, with scattered, simple, usually coriaceous 

 leaves; disk o; petals o; pistil i -celled; ovule i, erect or pendu- 

 lous ; endosperm little or none. Protca, Lcncadendron, Grevillea, 



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