48 FAM. 56, 57. 



Morus nigra, Black Mulberry, small tree or shrub with cylindrical staminate spikes 

 and oval pistillate spikes; fruit oval-oblong and black when mature. 



Morus rubra, Red Mulberry, a tree with slender staminate spikes and droop- 

 ing pistillate spikes; fruit cylindric and deep red or purplish. 



Broussonetia papyrifera, Paper Mulberry, a low wide-spreading tree with dioe- 

 cious flowers, the staminate in elongated spikes, the pistillate in heads; the globose 

 fruit peduncled. 



Toxylon pomiferum, Osage-Orange, an armed shrub or tree, dioecious, with 

 the staminate flowers in globose racemes, the pistillate in dense heads; the oblong 

 flat achenes collected into a large globose golden-yellow syncarp. 



Ficus Carica, Fig, a shrub or mostly a small monoecious tree, with firm leathery 

 leaves, paknately 5-7 lobed, on densely pubescent petioles; the flowers on 

 the inside of a closed receptacle; fruit an obovoid syconium. 



Ficus elastica and F. pandurata are the Rubber-Plants, cult, in tubs. 



Ficus repens, a small-leaved, evergreen, shrubby climber. 



Cecropia palmata, Shakewood tree, dioecious, has broad palmately 7-lobed 



leaves, silvery beneath, and finger-like fruit with minute seeds, similar to 



a fig. 



66. Ulmaceae, Elm Family. 



Mostly trees with spreading, often winged branches, 

 and alternate simple leaves; flowers in cymes or clusters, 

 perianth a green or slightly colored calyx; stamens us- 

 ually as many as the sepals and opposite to them, dis- 

 dinct; ovary 1-2 celled, superior; fruit a stalked samara 

 or drupe. 



1. Fruit a samara winged all around, ------ Ulmus, Elm 



U. Americana, White Elm. A tree with oval or ovate leaves, usually doubly 



serrate, oblique or cordate at the base; flowers clustered, calyx campanu- 



late; samara oval or obovate, fringed, the tips strongly convergent; seed 



central, oval or elliptic. Low ground and planted. Winter or early Spring. 



1. Fruit a drupe, --------- Celtis, Hackberry 



C Mississippiensis. A tree with thick, lanceolate, acuminate leaves; drupe 

 dark-purple or deep-orange. Hammock. Spring. 



57. Polygonaceae, Buckwheat Family. 



Herbs, shrubs, trees (South Florida), or vines with simple, 

 alternate, opposite or whorled leaves, mostly simple; stip- 

 ules mostly present and usually forming sheaths; called 

 ocreae; flowers perfect, monoecious, dioecious or polygam- 

 ous in variously disposed clusters; calyx inferior of 2-6 

 sepals, more or less united; stamens 2-9; ovary 1-celled, 

 styles 2-3, stigmas capitate or tufted or 2-cleft; fruit an 

 achene. 



1. Ocreae wanting, - -- ----------- 2 



1. Ocreae present, -----------3 



2. Vines with tendrils at the ends of the branches, flowers in panicled 



