328 LOGANIACEAE. 



2 in each cavity; style short; stigma oblong to globose. Fruit a small oblong 

 drupe, with thin flesh and hard endocarp. [Guiana name.] About 50 species, 

 natives of tropical regions. Type species: Mayepea guianensis Aubl. 



1. Mayepea bumelioides (Griseb.) Krug & Urban, Bot. Jahrb. 15: 344. 1893. 

 Linociera bumelioides Griseb. Cat. PI. Cub. 169. 1866. 



A tree, up to 10 m. high, the branches erect or ascending, the bark pale, 

 the twigs slender, pale gray, glabrous. Leaves elliptic to oblong or obovate- 

 oblong, subcoriaceous, 5-10 cm. long, 1.5-5 cm. wide, coarsely reticulate-veined, 

 glabrous, bright green and shining above, pale green beneath, the petioles 1-2 

 cm. long; panicles axillary and terminal, as long as the leaves or shorter, 

 several-many-flowered, puberulent; bractlets ovate, acute, 1-1.5 mm. long; 

 pedicels about as long as the bractlets; calyx 1.5-2 mm. long, its teeth ovate, 

 acute; petals linear, white, 6-8 mm. long; filaments about 2 mm. long; 

 anthers ovate-oblong. 



Coppices nesw Nicholl's Town and Crow Hill, Andros : Cuba. BLACK EBONY. 



An opposite-leaved shrub, found in foliage only near Staniard Creek, Andros 

 (Small and Carter 8898), may be of this genus. 



Family 2. LOGANIACEAE Dumort. 

 LOGANIA FAMILY. 



Herbs, shrubs, vines or some tropical genera trees, with opposite or 

 verticillate simple stipulate leaves, or the leaf-bases connected by a stipular 

 line or membrane, and regular perfect 4-5-parted flowers. Calyx inferior, 

 the tube campanulate, sometimes short or none, the segments imbricated, 

 at least in the bud. Corolla gamopetalous, funnelform, campanulate, or 

 rarely rotate. Stamens inserted on the tube or throat of the corolla; 

 anthers 2-celled, the sacs longitudinally dehiscent; pollen-grains simple. 

 Disk usually none. Ovary superior, 2-celled (rarely 3-5-celled) ; ovules 

 anatropous or amphitropous. Fruit a 2-valved capsule in our species. 

 Embryo small, usually straight ; endosperm copious ; radicle terete or conic. 

 About 30 genera and 400 species, widely distributed in warm and tropical 

 regions. 



Corolla-lobes valvate. 



Corolla funnelform or salverform, styles united. 1. Spigelia. 



Corolla urn-shaped, styles soon distinct. 2. Cynoctonum. 



Corolla-lobes imbricated. 3. Polypremum. 



1. SPIGELIA L. Sp. PL 149. 1753. 



Herbs, with opposite membranous entire, pinnately veined leaves, small 

 stipules, or the leaf -bases connected by a stipular line, and red yellow nearly 

 white or purple flowers, in scorpioid cymes or unilateral spikes, or terminal and 

 in the forks of the branches. Calyx deeply 5-parted. Corolla 5-lobed, the tube 

 finely 15-nerved. Stamens 5, inserted on the corolla-tube; anthers 2-lobed at 

 the base. Ovules numerous, on peltate placentae; style filiform, jointed near 

 the middle; stigma obtuse. Capsule didymous, 2-celled, somewhat flattened 

 contrary to the dissepiment, circumscissile, the 2 carpels becoming 2-valved. 

 Seeds peltate, not winged. [Named for Adrian von der Spigel, 1558-1625, 

 physician.] About 35 species, all American. Type species: Spigelia Anthel- 

 mia L. 



