HORACES. (MULBERRY FAMILY.) -115 



heads, or enclosed in the fleshy receptacle. — Calyx of 1 lie sterile flowers 

 3-4-lobed. Stamens 8—4, inserted on the base of the calyx. Filaments 

 indexed in the bud, elastic. Calyx of the fertile flowers 3 - 5-sepalous. 

 Ovary 1 - 2-celled, 1 — 2-ovuled. Styles 2. Achenium 1-eeeded. Embryo 

 curved, in fleshy albumen. 



1. MORITS, Tourn. Mulberry. 



Flowers monoecious, spiked ; the sterile and fertile flowers in separate spikes. 

 Calyx 4-parted. Stamens 4. Ovary 2-celled. Styles filiform. Achenium ovate, 

 compressed, covered by the succulent berry-like calyx. — Trees, with rounded 

 leaves, and axillary spikes. 



1. M. rubra, L. Leaves cordate-ovate, acuminate, serrate, petioled, rough 

 above, white toinentosc beneath, on young shoots 3 - 5-lobed ; stipules linear ; 

 sterile spikes slender, drooping ; the fertile ones ovoid or ohlong, resembling a 

 blackberry in fruit. — Rich woods, Florida, and northward. March. — A small 

 tree. 



2. M. alba, L. Leaves cordate-ovate, acute, serrate, oblique at the base, 

 smooth and shining, sometimes lobed j fruit whitish. — Around dwellings. In- 

 troduced. — A small tree. 



2. PICUS, Tourn. Fig. 



Flowers monoecious or dioecious, lining the inside of the fleshy closed recep- 

 tacle. Calyx of the sterile flowers 3-parted. Stamens 3. Calyx of the fertile 

 flowers 5-cleft, pedicelled. Styles lateral, slender. Achenium fragile. Embryo 

 hooked. — Trees or shrubs, with entire or lobed leaves, and large convolute stip- 

 ules. Flowers axillary. 



1. F. aurea, Nutt. Branches pale, smooth, furrowed; leaves smooth, 

 coriaceous, oblong, entire, narrowed but obtuse at each end, stout-petioled ; rc- 

 ceptacle orange-yellow, globose, bracted, on short and thick pedicels. — South 

 Florida. — A small tree. Leaves 3' - 4' long. Fruit about 4" in diameter. 



2. F. pedunculata, Willd. Branches terete, uneven ; leaves ovate or 

 oval, coriaceous, entire, smooth, obtuse, rounded or slightly cordate at the base, 

 slender-petioled ; receptacle yellowish, globose or obovate, slightly bracted, as 

 long as the slender pedicels. — South Florida. — Tree 20° -40° high, multiply- 

 ing by means of aerial roots. Leaves 2' - 2^' long, H' wide. Receptacle rather 

 smaller than in No. 1. 



3. F. brevifolia, Nutt. Branches smooth ; leaves cordate-ovate, entire, 

 obtuse, smooth, on short petioles ; receptacle purplish-red, depressed-globose, 

 single, short-peduneled, with 2-cleft bracts. — South Florida, Dr. Blochjett. — A 

 small tree. Leaves 2' long, with impressed veins. 



F. Carica, L., is the commonly cultivated Fig. 



Broussoxetia paptrifera, Vent., the Paper Mulberry of our yards, 

 belongs to this family. 



