122 Plantaginaceae. 



ORDER 58. — Plantaginaceae. 



Leaves usually all radical and strongly ribbed. Flowers small green 

 usually in spikes. Calyx 4-partite. Corolla chaffy 4-partite. Stamens 4 

 epipetalous alternate with the petals, with long thread-like filaments, anthers 

 large lightly attached. Ovary i- or 2-celled, style simple, stigma hairy. 



Flowers perfect, Plantago I. 



Flowers monoecious, Littorella II. 



\.— PLANTAGO. 



Leaves not twice as long as broad, 480 

 Leaves much longer than broad, 481 



480 Spike slender longer than the scape, ... P. major. 



480 Spike cylindrical shorter than the scape, . . P. media. 



481 Leaves lanceolate, scape furrowed, .... P. lanceolata. 

 481 Leaves linear, scape rounded, 482 



482 Leaves pinnatifid, P. coronopus. 



482 Leaves entire, ...... P. maritima. 



PLANTA'GO MA'JOR (112). Greater Plantain. 6—8. Leaves 2—5 



(1 163) in. long broadly ovate on long grooved stalks, scape short not fur- 

 rowed, spike very long, sepals with a prominent rib. Pastures. 



PLANTA'GO ME'DIA (81). Hoary Plantain. 6—10. Leaves elliptic 



(1164) oblong, scape long not furrowed, spike short, sepals not ribbed. 

 Waste places. 



PLANTA'GO LANCEOLA'TA (112). Ribwort Plantain. 6—7. 



(1166) Leaves lanceolate 5-ribbed, scape long deeply furrowed, spike globu- 

 lar. Pastures. 



PLANTA'GO MARIT'IMA (78). Sea-side Plantain. 6-9. Leaves 



(1 167) linear fleshy, scape not furrowed, spike cylindrical long or short, sepals 

 not keeled. Salt marshes. 



PLANTA'GO CORONO'PUS (96). 6—8. Leaves narrow linear 



(1 168) i-ribbed pinnatifid, scape not furrowed, spikes cylindrical, i — 2 in. 

 Sandy and gravelly places. 



\\.— LITTORELLA. 



LITTOREL'LA LACUS'TRIS (86). Shore-weed. 8. Leaves radical 



(1170) tufted linear fleshy \\ — 3 in. long, flowers monoecious, corolla small 

 urceolale. Sandy margins of lakes. 



