136 OLACACEAE. 



Order PLANT AGIN ALES. 



Annual or perennial herbs. Leaves wholly or mainly basal, or 

 crowded on a simple or branched caudex : blades typically 1-several-ribbed. 

 Flowers perfect, monoecious, or dioecious, spicate. Calyx of 4 (3-5), 

 partially united or distinct sepals. Corolla of 4 (3-5), partially united 

 scarious and veinless petals. Androecium of 4-2 stamens (or 1 stamen). 

 Gynoecium typically 2-carpellary. Ovary superior. Fruit capsular, 

 usually a pyxis. 



FAMILY 1. PLANT AGINACEAE. PLANTAIN FAMILY. 



Annual or perennial herbs. Leaf-blades typically 1-several-ribbed. 

 Corolla-lobes spreading. Style and stigma elongate. 



1. PLANTAGO [Tourn.] L. Leaf -blades broad or narrow. Spikes 

 usually elongate. Filaments partially adnate to the corolla-tube. PLANTAIN. 



1. P. lanceolata L. Leaves 4-30 cm. long; blades linear-elliptic to broadly 

 elliptic, acute at the apex, or acuminate at both ends: scapes 1-7 dm. tall, 

 ridged: spikes cylindric, dense, 1-8 cm. long: bracts rhombic, 4-5 mm. long: 

 calyx-lobes broadly oblong to oval, 2-3 mm. long, obtuse, the 2 lower ones 

 with closely subparallel midribs: corolla-lobes broadly lanceolate, 2-2.5 mm. 

 long: capsules oblong, 3 mm. long. Waste places and roadsides, Key West. 

 Nat. of Eu. [E. K.] (Ber., Bah., Cuba, Ant.) BIBWORT. BIB-GRASS. 



Order SANTALALES. 



Herbs, shrubs, or trees, mostly root- or tree-parasites. Leaves with 

 expanded blades, or scale-like. Flowers inconspicuous, perfect or im- 

 perfect. Calyx present, but often a mere border. Corolla present or 

 wanting. Androecium of as many stamens as there are sepals, or petals, 

 or twice as many. Gynoecium of several united carpels: ovary more or 

 less inferior. Fruit a drupe, a nut, or a berry. 



FAMILY 1. OLACACEAE. XIMENIA FAMILY. 



Shrubs, trees, or vines. Leaves usually alternate: blades entire or 

 rarely toothed. Flowers perfect or polygamous, regular, in dichotomous 

 or raceme-like cymes. Calyx of 4-6 small sepals, surmounting the hypan- 

 thium. Corolla of 4-6 distinct or united petals. Androecium of 4-12 

 stamens. Gynoecium 3^4-carpellary. Fruit a drupe. 



Petals united to above the middle : stamens as many as the corolla-lobes and oppo- 

 site them : drupe nearly enclosed In the disk. 1. SCHOEPFIA. 



Petals nearly distinct : stamens twice as many as the petals : drupe 

 naked. 2. XIMEXIA. 



1. SCHOEPFIA Schreb. Unarmed shrubs or trees. Leaf-blades thick. 

 Hypanthium filled with an elevated disk. Sepals broad. Corolla campanulate. 

 Anthers oval or ovoid. Ovary about \ inferior. 



1. S. chrysophylloides (A. Bich.) Planch. Shrub or small tree, with pale 

 branches: leaf -blades ovate to oblong-ovate, 2-6 cm. long: corolla red or 



