PLANT AGIN AVE AE. 297 



1. RUELLIA L. 



Calj-x-segnients linear-lanceolate, scarcely exceeding the capsule. 



1. R. strepens. 

 Calyx-segments filiform-linear, exceeding the capsule. 2. B. ciliosa. 



1. EuELLiA STREPENS L. M. p. 854. Dry woods. Early summer. 



Lancaster— York Furnace (Br.), near Lancaster (Ca.). 



.4fto«tic— Ventnor (Gi.). 



New Castle— 'Near Collins' Beach, Canby. 



2. RuELLiA CILIOSA Pursh. M. p. 854. Dry soil. Summer. 



Cape May— Ca-pe May Court-house, I. Burk (He.). 



2. DIANTHEEA L. 

 1. DiANTHERA AMERICANA L. h'ater-wUlow. M. p. 855. Water and wet 

 places. Summer. 

 Bucks — Andalusia, J/«7t. (P.). Chester — (P.). Lancaster — York Fur- 

 nace, Susquehanna River (Pr.), Fites ' Eddy (W. Tr.), Columbia (Wn.). 

 Dauphin — Harrishurg (Me.), Steelton (Wn.). 



Gloticester—Hed Bank (Ja.), Swedesboro (Li.). Cape Ma^— Five-mile 

 Beach (Ja.). J/ erce?-— Trenton (C). 



Neio Castle — Banks of Canal, St. George's, etc. Common. 



Family 15. PHRYMACEAE Schauei. Lop-seed Family. 

 1. PHRYMA L. 

 1. Phryma Leptostachya L. Lopseed. M. p. 856. Woods and thickets. 

 Summer. 



Order 6. PLANTAGINALES. 



Family 1. PLANTAGINACEAE Lindl. Plantain Family. 

 1. PLANTAGO L. Plantain. 



Corolla-lobes spreading or reflexed in fruit, not closed over the top of the 

 pyxis. 

 Leaves ovate, lanceolate or oblong. 



Seeds several or many in each pyxis. 



Pyxis ovoid, circumscissile at about the middle. 



1. P. major. 

 Pyxis narrower, circumscissile a little below the middle. 



2. P. halophila. 

 Pyxis oblong, circumscissile much below the middle. 



3. P. Eugelii. 

 Seeds 2-4 in each pyxis. 4. P. lanceolata. 



Leaves linear or filiform. 



Leaves fleshy; plant maritime. 5. P. maritima. 



Leaves not fleshy; plant not maritime. 6. P. aristata. 



Corolla-lobes erect and closed over the top of the pyxis. 



Leaves spatulate to obovate; stamens 4. 7. P. Virginica. 



Leaves linear-filiform ; stamens 2. 



Capsule about 4-seeded, slightly exceeding the calyx. 



8. P. elongata. 



Capsule 8-20-seeded, twice as long as the calyx. 9. P. heterophylla. 



1. Plantago major L. M. p. 857. Waste places. Summer. 



