ARTOCARPACEAE. 13 



oblong, or slightly broadest below the middle, 2-2.5 cm. long, about i in- 

 cluded in the cup. 



Hammocks about Ft. Lauderdale. (Endemic.) 



7. Q. pumila Walt. Shrub with underground stems, the branches 3-6 dm. tall, 

 or sometimes taller: leaf -blades narrowly oblong, varying to lanceolate or 

 oblanceolate, 5-12 cm. long, more or less finely tomentose beneath, entire, some- 

 times slightly crisped: acorns sessile or nearly so; cup saucer-shaped, some- 

 times deeply so, 12-15 mm. wide; nut ovoid, 10-15 mm. long. RUNNING-OAK. 



Open pinelands, especially near the coast, nearly throughout Fla., except the 

 F. Keys. (Cont.) 



8. Q. myrtif olia Willd. Shrub, or tree becoming 6 m. tall : leaf -blades obovate 

 or oval, 2-5 cm. long, entire, shiny above, dull beneath: acorn sessile or nearly 

 so ; cup hemispheric, sometimes deeply so, 10-13 mm. wide ; nut ovoid or oblong- 

 ovoid, 10-14 mm. long. SCRUB-OAK. 



Hammocks and sand-ridges, especially near the coast, nearly throughout Fla., 

 except the F. Keys. (Cont.) 



9. Q. cinerea Michx. Shrub, or small tree: leaves deciduous; blades oblong, 

 varying to lanceolate or oblanceolate, 5-12 cm. long, mainly entire, pale-green, 

 gray-tomentose beneath: acorn nearly sessile; cup saucer-shaped, 10-15 mm. 

 wide; nut oblong or subglobose, about 15 mm. long. UPLAND WILLOW-OAK. 

 BLUE-JACK. 



Sand-ridges and sandy barrens, n. Fla. and the upper pen. (Cont.) 



Order URTICALES. 



Shrubs or trees, or herbs. Leaves alternate, or in the case of herbs 

 often opposite: blades simple, entire, toothed, or divided. Flowers vari- 

 ous, not in aments. Calyx present. Corolla wanting. Androecium often 

 of as many stamens as there are sepals. Gynoecium of a single carpel or 

 of 2 united carpels. Fruit an achene, a samara, a drupe, a syncarp, or a 

 syconium. 



Fruit an achene, the achenes in the fleshy calyxes, on the outside or Inside of a 

 receptacle : anthers inflexed. Fam. 1. ARTOCARPACEAE. 



Fruit a samara or a drupe, or nut-like : anthers erect. Fam. 2. ULMACBAE. 



FAMILY 1. ARTOCARPACEAE. MULBERRY FAMILY. 



Shrubs or trees, the sap milky. Leaves mostly alternate : blades equi- 

 lateral, entire, toothed, or lobed. Flowers monoecious or dioecious, in 

 ament-like spikes or enclosed in a receptacle, the staminate with 3 or 4 

 stamens, the pistillate with a calyx of 3-5 sepals which greatly enlarge and 

 subtend or envelop the achene: gynoecium of 1 or 2 united carpels; 

 styles or stigmas 1 or 2. Fruit a syncarp or syconium. 



Staminate and pistillate flowers on the outside of the receptacle. 1. MORUS. 



Staminate and pistillate flowers on the inside of a closed receptacle. 2. Ficus. 



1. MORUS [Tourn.] L. Shrubs or trees, with scaly bark. Leaves decid- 

 uous: blades commonly serrate, sometimes lobed. Staminate flowers in cylin- 

 dric spikes, with 4 sepals and 4 stamens. Pistillate spikes cylindric: sepals 4, 

 the lateral ones larger than the others: stigmas 2, short. Fruit cylindric, the 

 achenes included in the calyx. MULBERRY. 



1. M. nigra L. Shrub, or tree sometimes becoming 8 m. tall, with pubescent 

 twigs: leaf-blades ovate, 4-15 cm. long, abruptly short-pointed, becoming 



