186 FOUNDATIONS OF BOTANY 



Calyx-teeth long, bristle-pointed. Corolla purple to white, lobes 

 round-obovate, shorter than the tube. Capsule longer than the 

 calyx-tube. In rich woods ; often cultivated.* 



2. P. maculata, L. Wild Sweet William. Stem erect, smooth 

 or nearly so, rather slender, purple-spotted, 1-2 ft. high. Lower 

 leaves lanceolate, the upper ones broader, taper-pointed, roundish 

 or heart-shaped at the base. Panicle many-flowered, narrow, ellip- 

 soidal. Calyx-teeth lanceolate, hardly acute. Flowers purple, occa- 

 sionally white. Damp woods and fields. 



3. P. pilosa, L. Downy Phlox. Perennial ; stem erect, slen- 

 der, simple or branched, 1-2 ft. high. Leaves linear-lanceolate to 

 linear, distant, spreading, long, taper-pointed, sessile ; stem and 

 leaves downy. Cymes corymbose, loose. Flowers short-pediceled. 

 Calyx glandular-viscid, the teeth shorter than the tube of the purple 

 corolla, bristle-pointed. Corolla-tube downy, lobes obovate. Capsule 

 twice the length of the calyx-tube. In dry, open woods.* 



4. P. divaricata, L. AVild Blue Phlox. Perennial; stems 

 erect or ascending from a decumbent base, sticky-downy, 1 ft. high. 

 Leaves distant, lanceolate to oblong, acute at the apex, rounded at 

 the base, sessile, downy. Cymes corymbed, loosely flowered. Calyx- 

 teeth awl-shaped, longer than the tube. Corolla bluish-purple, ^-| 

 in. long, lobes notched at the apex, as long as the tube. Capsule 

 oval, shorter than the calyx-teeth. In moist, open woods.* 



5. P. Drummondii, Hook. Drummond's Phlox. Annual; stem 

 erect or ascending, slender, weak, branching, glandular-downy, 6-12 

 in. high. Leaves mostly alternate, lanceolate to oblong, downy, the 

 upper clasping by a heart-shaped base. Corymbs loose. Flowers 

 rather long-pediceled. Calyx-tube short, the teeth lanceolate, bristle- 

 pointed, soon recurved. Corolla purple to crimson or white, orifice 

 of the tube usually with a white or yellowish star-like ring, lobes 

 rounded at the apex. Ovary 3-seedecl, angles of the seeds winged. 

 Introduced from Texas and common everywhere in gardens.* 



6. P. subulata, L. Ground Pink, Moss Pink, Flowering Moss. 

 Stems perennial, prostrate, 8-18 in. long, with many short, somewhat 

 upright branches, 2-4 in. high. Leaves linear-awl-shaped, stiff, 

 about ^ in. long, crowded, with clusters of smaller ones in their 

 axils. Flower-clusters 3-6-flowered. Corolla pink-purple, with a 

 darker center, or sometimes white. Forms dense mats on rocky or 

 sandy hillsides. S. and W. and often cultivated. 



II. POLEMONIUM, L. 



Perennial herbs. Leaves alternate, pinnate. Flowers cor- 

 ymbed. Calyx bell-shaped, 5-lobed. Corolla wheel-shaped, 

 the limb with 5 obovate lobes. Stamens borne on the throat of 



