822 



COMPOSITAE (COMPOSITE FAMILY) 



A. neodioica. 



b. Stem glandlessj basal leaves 1-nerved. 



8. A. neodioica Greene. Forming broad mats ; 

 stems slender, 0.5-4 dm. high; basal leaves obo- 

 vate, 5-18 mm. broad; stem-leaves scattered, few 

 (5-10), rather small and inconspicuous, linear- 

 attenuate, 3 mm. or less wide ; corymbs ordinarily 

 loose ; involucre 6-9 mm. high ; bracts with scari- 

 ous blunt or acute tips ; styles pale. Open woods, 

 fields, etc., Nfd. to w. Out., S. Dak., and Va. 

 May- July. FIG. 982. 



Var. grandis Fernald. Stouter throughout, 

 greener ; stems 3-5 dm. high ; stem-leaves oblance- 

 olate or oblong-lanceolate, more conspicuous, 5-8 



mm. broad ; bracts with white petaloid tips. Woods and meadows, e. Me. to 



Mass, and n. N. Y. 



* * Stolons, when well developed, procumbent, bracteate, not leafy except at tip. 

 - Heads solitary ; basal leaves 1.5 cm. or more broad. 



9. A. solitaria Rydb. Stems 0.5-2 dm. high, very slender ; stolons flag fili- 

 form ; basal leaves obovate-spatulate, 4.5-7 cm. long, 1.5-3.5 cm. broad, tomen- 

 tose beneath, arachnoid, becoming glabrate above, 3-nerved; stem-leaves few, 

 small, appressed ; involucre 1 cm. high, its bracts linear-attenuate ; styles 

 crimson. Rich wooded slopes, Pa. and O. to Ga. and La. Apr., May. 



H- -<- Heads more than 1 (solitary in a rare variety of no. 10, which has leaves 

 less than 1.5 cm. broad). 



M- Heads sessile or subsessile in capitate clusters or distinctly racemose ; styles 



crimson. 



10. A. neglScta Greene. Stems 0.3-4 dm. high, 

 slender, becoming much elongated in fruit ; stolons 

 flagelliform ; basal leaves from cuneate-spatulate 

 to spatulate-obovate, 4 (rarely 5) cm. or less long ; 

 stem-leaves few and scattered ; heads at first 

 crowded, later becoming racemose by the develop- 

 ment of the rhachis involucre 7-9 mm. high, fre- 

 quently purple-tinged at base ; bracts of pistillate 

 heads with linear whitish tips, of the staminate 

 heads with broad white petaloid tips. Fields, 

 plains, and open woods, N. B. to Va., w. to la. and 

 Kan. Apr., May. FIG. 983. Var. sfMPLEX Peck. 

 nated by solitary heads. Sand Lake, N. Y. 



A. neglecta. 



Stems stiffly erect, termi- 



984. A. petaloidea. 



-* +H. Heads in a comparatively loose corymb, never race- 

 mose; styles pale, drying brownish. 



11. A. petaloidea Fernald. Stouter than no. 10 ; stems 

 2-4.5 dm. high ; stolons generally shorter and rather 

 stiff er basal leaves spatulate-obovate to oblanceolate ; 

 involucres of the pistillate heads brown or green at base, 

 their bracts with petaloid or scarious tips. Fields, dry 

 banks, and open woods, e. Que. to Ont., s. to n. and 

 w. N. E., N. Y., and Mich. May-July. FIG. 984. 



29. AWAPHALIS DC. EVERLASTING 



Characters of Antennaria, but the pappus in the sterile flowers not thickened 

 at the summit or scarcely so, and that of the fertile flowers not at all united at 

 base ; fertile heads usually with a few perfect but sterile flowers in the center. 

 (Said to be an ancient Greek name of some similar plant.) 



1. A. margaritacea (L.) B. & H. (PEARLY E.) Stem erect, 2-9 dm high, 



