DICOTYLEDONS. 193 



']. P. DiVAKiCATA L. Wihi) 1>LUE Phlox. Pereiuiial ; stems 

 erect or ascending from a decumbent base, viscid-pubescent, 1 ft. 

 high ; leaves distant, lanceolate to oblong, acute at the apex, rounded 

 at the base, sessile, pubescent; cymes corymbed, loosely flowered; 

 calyx teeth subulate, longer than the tube; corolla bluish-purple, 

 ^-^ in. long, lobes notched at the apex, as long as the tube; cap- 

 sule oval, shorter than the calyx teeth. April-May. In moist, open 

 woods. 



4. P. Drimmondii Hook. Drummoxd's Phlox. Annual; stem 

 erect or ascending, slender, weak, branching, glandular-])ubescent, 

 6-12 in. high; leaves mostly alternate, lanceolate to oblong, pubes- 

 cent, the upper clasping by a cordate base ; corymbs loose ; flowers 

 rather long-pediceled ; calyx tube short, the teeth lanceolate-setaceous, 

 soon recurved; corolla purple to crimson or w^hite, orifice of the tube 

 usually with a white or yellowish star-like ring, lobes rounded at 

 the apex; ovary 3-seeded, angles of the seeds winged. April-June. 

 Introduced from Texas and common everywhere in gardens. 



II. GILIA. 



Annual, biennial or perennial herbs ; leaves opposite or 

 alternate, entire or much divided; flowers solitary or clus- 

 tered ; calyx tubular or bell-shaped, 5-cleft ; corolla tubular 

 to salver-forni, 5-lobed ; stamens inserted evenly or unevenly, 

 near the mouth of the tube, included or exserted ; ovary 

 3-celled, 3-many-ovuled, style long, slender, stigma 3-lobed ; 

 fruit a 3-celled, 3-many-seeded capsule, seeds angled or 

 compressed. 



G. RUBRA (L.) Heller. Scarlet Gilia. Biennial; stem erect, 

 simple, smooth or pubescent, very leafy, 2-5 ft. high ; leaves pin- 

 uately divided into filiform, acute segments; flowers very numerous 

 in a long and slender panicle; calyx lobes setaceous-subulate, as long 

 as the tube; corolla funnel-form, bright scarlet without, yellow 

 spotted with red within, 1-1 A in. long, lobes acute, spreading, less 

 than half the length of the tube; stamens slightly exserted ; seeds 

 with a loose, reticulated outer coat. .lunc-September. Dry, sandy 



s< 



ul. 



III. POLEMONIUM. 



Perennial or annual herbs; stems erect or diffuse ; leaves 

 alternate, pinnat<dy divided; flowers in a cyme or panicle; 

 calyx bell-shaped, 5-cleft, becoming enlarged in fruit, the 



