ELM FAMILY. 527 



2. Celtis Mississippiensis Bosc. Southern HackJjcrry. (Fig. 1256.) 



Cellis Mississippiensis Bosc, Diet. Agric. 10: 

 41. 1810. 



A tree, similar to the preceding species, 



jut commonly smaller, the bark light gray, 



sugh and warty. Leaves ovate or lanceo- 



ite, firm, shining, entire or with a few low 



larp teeth, 3- nerved and prominently pin- 



itely veined, glabrous on both sides, long- 



:uminate at the apex, inequilateral and 



atuse or sometimes cordate at the base, i'- 



3' long, Y^'-iy-i' wide; peduncles mostly 



lorter than those of the preceding species; 



rupe globose, purple-black, 2^ // ~3 // in 



imeter. 



In dry soil, North Carolina to southern Illi- 

 ais and Missouri, south to Florida and Texas, 

 robably intergrades with C. occidental is. 

 V.pril. Fruit ripe July-Aug. 



Family 9. MORACEAE Lindl. \\- K . Kingd. 266. 1847. 

 MULBERRY FAMILY. 



Trees, shrubs or herbs, mostly with milky sap, alternate or opposite petioled 

 stipulate leaves, and small monoecious or dioecious axillary clustered flowers, or 

 the pistillate flowers solitarj' in some exotic genera. Calyx mostly 4-5 -parted. 

 Petals none. Staminate flowers panicled, spicate or capitate, the stamens as 

 many as the calyx-segments. Filaments erect or inflexed in the bud. Pistillate 

 flowers capitate, spicate or cymose. Ovary superior, i -celled in our genera. 

 Ovule solitary, pendulous, anatropous. Styles i or 2. Fruit various. Embryo 

 straight, curved or spiral. 



About 55 genera and 925 species, natives of temperate and tropical regions. The largc-t KI-IHI^ 

 is Ficus, the Fig, of which there are over 600 known species. 



Trees or shrubs; stipules fugacious. 



Staminate and pistillate flowers spiked; leaves dentate or lobed. 

 Staminate flowers racemose or spiked; pistillate capitate. 

 Pistillate perianth deeply 4-cleft; leaves entire. 

 Pistillate perianth 3-4-toothed; leaves various. 

 Erect or twining herbs; stipules persistent. 



Twining vines; pistillate flowers in ament-like clusters. 

 Erect herb; pistillate flowers spicate. 



!/<>//. 



rotuunuH*. 



! n mill us. 

 5. din n <t his. 



i. MORUS L. Sp. PI. 986. 1753. 



Trees or shrubs, with milky sap, alternate dentate and often lobed, 3-nerved leaves, fux;i- 

 cious stipules, and small monoecious or dioecious flowers, in axillary amcnt-like spikes, the 

 pistillate spikes ripening into a succulent aggregate fruit. Staminate flowers with a 4-parted 

 perianth, its segments somewhat imbricated, and 4 stamens, the filaments inflexed in the 

 bud, straightening and exserted in anthesis. Pistillate flowers with a 4-parted persistent 

 perianth, which becomes fleshy in fruit, a sessile ovary, and 2 linear spreading stigmas. 

 Fruiting perianth enclosing the ripened ovary, the exocarp succulent, the endocarp crusta- 

 ceous. Albumen scanty; embryo curved. [The ancient name of the mulberry; Celtic mor.} 



About 10 species, natives of the northern hemisphere. Hi- Miles the following, another i 

 in the southwestern United States. 



Leaves rough above, pubescent beneath; fruit purple; spikes i'-i$*' long. 



Leaves smooth and glabrous, or very nearly so, on both sides; fruit nearly win ; spikes^ -J 



34 



