LOBBLIACE^. 1 35 



3. S. arven'sis, L., (Field S.) with bright yellow flowers 

 tnd bristly involucres and peduncles, is found eastward. 



59. TBAGOFO'GON, L. GoAT's Beard. Salsify. 



1. T. praten'sis, L. (Yellow Goat's Beard.) Spread- 

 ing westward along the railway lines. Flowers yellow. 

 Peduncle little thickened below the head. 



2. T. poFFlfo'lius, L. (Salsify.) Stem 2-3 feet high. 

 Peduncle thickened below the head. Flowers purple. 



Oeder LI. LOBELIA'CE^. (Lobelia Family.) 



Herbs with milky acrid juice, alternate leaves, and loosely 

 racemed flowers. Corolla irregular, 5-lobed, the tube split 

 dovim one side. Stamens 5, syngenesious, and commonly 

 also monadelphous, free from the corolla. Caljrx tube adhe- 

 rent to the many-seeded ovary. Style 1. The only genus is 



LOBE'I-IA, L. Lobelia. 



1. L. eardina'lls, L. (Cardinal Flower.) Corolla large.^ 

 deep red. Stem simple, 2-3 feet high, smooth. Leaves 

 oblong-lanceolate, slightly toothed. Bracts of the flowers 

 leaf-like. — Low grounds. 



2. L. syphilit'iea, L. (Great Lobelia.) Corolla roi^e/ 

 large., light blvs. Stem hairy, simple, 1-2 feet high. Leaves 

 thin, acute at both ends, serrate. Calyx-lobes half as long 

 as the corolla, the tube hemispherical. Flowers in a dense 

 spike or raceme. — Low grounds. 



3. L. infla'ta, L. (Indiau Tobacco.) Flowers small, J 

 of an inch long, pale blue. Stem leafy, branching, 8-18 

 inches high, pubescent. Leaves ovate or oblong, toothed. 

 Pods inflated. Racemes leafy. — Dry fields. 



4. L. Spica'ta, Lam. Flowers small, j of an inch long, 

 pale blue. Stem slender, erect, simple, 1-3 feet high, min- 

 utely pubescent below. Leaves barely^ toothed, the lower 

 spathulate or obovate, the upper reduced to linear bracts. — 

 Racemes long and naked. — Sandy soil. 



