1915] 



BESSEY PHYLOGENETIC TAXONOMY 131 



or 0. Abutilon, Althaea, Malva, Hibiscus, Gossypium. (Pf. 

 3 G :30.) 



Family 72. Bombacaceae. Tropical trees with alternate, 

 palmate leaves; sepals and petals present; staminal column 

 5-8-cleft. Adansonia, Bombax. (Pf. 3 6 : 53.) 



Family 73. Scytopetalaceae. Trees of the southern hemi- 

 sphere, with alternate leathery leaves; sepals small; petals 

 much larger, valvate; stamens many. S cyt o p et alum . (Pf. 

 Nachtrage zu Teil ii-iv, 242.) 



Family 74. Chlaenaceae. Madagascar trees and shrubs 

 with alternate leaves; inflorescence dichotomous; petals con- 

 torted. Rhodochlaena, Leptochlaena. (Pf. 3 6 :168.) 



Family 75. Gonystylaceae. East Indian trees with leath- 

 ery, evergreen leaves, pentamerous flowers, and a berry-like 

 fruit. Gony stylus. (Pf. Nachtrage zu Teil ii-iv, 231.) 



Family 76. Tiliaceae. Lindens. Trees, shrubs (and herbs) 



with mostly alternate leaves; flowers mostly perfect, with 

 petals; stamens free, 2-celled; pistil 2-10-celled; endosperm 

 present or 0. Corchorus, Tilia, Grewia. (Pf. 3 6 :8.) 



Family 77. Elaeocarpaceae. Tropical trees and shrubs, 

 with alternate or opposite simple leaves; sepals and petals 

 present; stamens distinct, many; pistil of 2-several carpels. 

 Elaeocarpus, Aristotelia. (Pf. 3 6 : 1.) 



Family 78. Balanopsidaceae. Australian trees and shrubs 

 with alternate leaves; flowers dioecious, apetalous, the stam- 

 inate in catkins, the pistillate solitary, producing acorn-like, 

 2-celled, 2-seeded fruits; seeds endospermous. This family 

 is doubtfully given place here, and it may be that it should 

 be placed near the Fagaceae, as is done by Baillon. Balanops. 

 (Pf. Nachtrage zu Teil ii-iv, 114.) 



Family 79. Ulmaceae. Elms. Trees and shrubs with al- 

 ternate, simple leaves, small apetalous flowers, a 1-celled 

 (rarely 2-celled) ovary, which develops into a samara, drupe 

 or nut. Ulmus, Celtis, Zelkova, Planera. (Pf. 3 1 : 59.) 



Family 80. Moraceae. Figs. Trees, shrubs, and herbs, 

 mostly with a milky juice, and alternate or opposite leaves; 



