334 FLORA OF PMILApELPEIA. 



22. GIFOLA Qass. 

 1. Gifola Germanica (L.) Dumort. Herba-impia. M. p. 972. Dry fields. 

 Summer. 

 Philadelphia— (P.). Bucks— Bedmmatev Cemetery (Fr.). Delaware— 

 Haverford, Dr. Geo. Smith (Fa.). Chester— (P.).. Lancaster-*- (P.). 

 Camden— Ballast (C). Monmowt h— Shrewsbury (C). 

 New Castle— John Talley's. 



23. PLITCHEA Cass. Marsh Fleabane. 



Perennial ; leaves sessile, cordate, or clasping at the base. 1. P. foet ida. 

 Annual; leaves, at least those of the stem, petioled. 2. P. camphorata. 



1. Pluchba foetida (L.) B. S. P. M.'p. 973. Swamps. Summer. 



Cape May—Cape May (Ja.). 



2. Pluchea camphorata (L.) DC. M. p. 973. Salt marshes. Autumn. 



Philadelphia— Mifflin Street Wharf (Ja.). Bucks— Bristol (P.). 



New Jersey — Common. 



New Castle— Collins' Beach. Rare. 



24. ANTENJSTARIA Gaertn. Cat's-foot. Everlasting. 



Basal leaves small, 0.7-2 cm. long, 1-nerved or indistinctly 3-nerved. 

 Basal leaves spatulate, usually abruptly mucronulate. 



1. A. neodioica. 

 Basal leaves obovate to oblanceolate, acute or obtuse. 



2. A. neglecta. 

 Basal leaves large, 2-12 cm. long, distinctly 3-nerved, sometimes 5-nerved, 



the lateral nerves also often prominent. 



Plants not glandular;, leaves dull and woolly on the upper surface, at 

 least when young. 



Involucre of the fertile plants 6-8 mm. high. 3. A. plantagimifolia. 



Involucre 8-10.5 mm. high. 4. A. fallax. 



Plants glandular, at least above. 5. A. Parlinii. 



1. Antennaria neodioica Greene. M. p. 975. Dry, shaded places. Spring 



and early summer. 



2. Antennaria neglecta Greene. M. p. 975. Fields and pastures. Spring. 



3. Antennaria plantaginifolia (L.) RiehaTds. M. p. 975. Sterile soil, 



especially in open woods. Spring. 



4. Antennaria fallax Greene. M. p. 976. Dry' soil. Spring. 



Mercer — Trenton. 



5. A NTENNARIA Parlinii Fernald. M. p. 976. Dry soil. Spring. 



Bucks— Tullytown (P.). 



25. ANAPHALIS DC 

 1. Anaphalis margaritacea (L.) Benth. & Hook. Pearly Everlasting. 

 M. p. 977. Dry soil. Summer. 



26. GNAPHALIUM L. Everlasting. . Cudweed, 



Tall, erect; inflorescence corymbose or paniculate; pappus-bristles distinct. 



\. Q. obtusifolium. 

 Low, diffuse; inflorescence mostly capitate; pappus-bristles distinct. 



2. G. uliginosum. 

 Slender, simple;' heads spicate; pappus-bristles united at base, falling away 

 in a ring. 3. G. pwpureum. 



