172 PLANTAGINACEAE. 



Order PLANTAGINALES. 



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 'J stamens (or 1 stamen). 

 Gynoecium typically 2-carpellary. Ovary superior. Fruit eapsular. 

 usually a pyxis. 



FAMILY 1. PLANTAGINACEAE. PLANTAIN FAMILY. 



Annual or perennial herbs. Leaf-blades typically l-several-ril>l>e.l. 

 Corolla-lobes spreading. Style and stigma elongate. 



1. PLANTAOO [Tourn.] L. Leaf -blades broa.l or narrow. Spikes 

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



Lenf-blades broad : bracts obtuse, Inconspicuous : spikes long and narrow. 



1. /'. major. 

 Leaf-blades narrow : bracts acuminate, conspicuous : spikes short 



and thl< k. 2. P. lanceolate. 



1. P. major L. Leaves 5-35 cm. long; petioles usually green at the base; 

 MH'les ovate or oval, or rarely oblong, entire or coarseh toothed: scapes 8-40 

 cm. tall: spikes 4-20 cm. long: bracts short: calyx-lobes ovate or ohovate, 

 obtuse: corolla-tube about as long as the calyx: capsules about 3 mm. long. 

 Hammocks and waste places. Nat. of Eu. (Ber., Bah., Cuba, Ant.) 



2. P. lanceolata L. Leaves 4-30 cm. long; blalos 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 nun. 

 long: capsules oblong, 3 mm. long. Pinelands and roadsides. K. K. Nat. of 

 Eu. (Ber., Bah., Cuba, Ant.) RIBWORT. RIB-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 petal-. 

 or twiee as ninny, fiynoerium of several united carpels: ..vary IL..IV . 

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



FAMILY 1. OLACACEAE XIMKXIA FAMILY. 



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



rarely touting. Flowers perfect or p>: -ular, in diclmtomons 



. ine-like cymes. Calyx of 4-0 small sepals, surmouiitiui: tin- hvpan- 



thium. Corolla of 4-8 distinct or united petal-. Ainlroeeiimi of I 1'J 



Stamens. iJyniwnuin '* 4-earpellary. Fruit a dm 



