190 COMPOSITE FAMILY. 



G. purpiireum, Purplish C. In sand or gravel along and near the 

 sea-shore : taller, with oblong-spatulate or lanceolate leaves green above and 

 white-cottony beneath, and purplish heads in axillary clusters, or spiked along 

 the upper part of the stem. 



§ 2. Ornamental exotic Immortelles in the gardens, these in strictness named 

 Helichrysum, with pistillate flowers feiver or in a single marginal row. 



G. braete^tum, or Helichrysum bracteatum, from Austi-alia : tall, 

 smoothish or slightly downy, with lanceolate leaves, large heads terminating the 

 branches and with some leaf-like bracts on the peduncle, the permanent and 

 very numerous scales of the involucre very showy and petal-like, spreading in 

 many ranks, golden yellow, and with white varieties. ® (T) 



G. (or H.) macranthum, from Australia, is less tall (l°-2° high), with 

 roughish stem and lance-oblong or spatulate leaves green throughout, and the 

 showy solitary heads nearly 2' across ; the scales of the involucre rose-red, or 

 white on the upper face. 11 (i) 



16. ANTENNARIA, EVERLASTING, IMMORTELLE. (Name 

 from the club-shaped pappus of the staminate flowers, which resembles the 

 aHte«7Zfe of certain insects.) % 



A. margarit^eea, Pearly Everlasting. Dry fields and woods, 

 especially N., fl. in summer : stem about 2° high, leafy to the top ; the leaves 

 lance-linear ; heads in a broad corymb, the fertile ones with a few imperfect 

 staminate flowers in the centre ; scales of the involucre pearly white, rounded. 



A. plantaginifolia, Plantain-leaved E. Dry knolls and slopes, fl. 

 early spring : in patches, spreading by runners and offsets ; the root-leaves 

 spatulate or obovate and tufted ; flowering stems 4' - 8' high, with few and small 

 lanceolate leaves ; heads in a small corymb, the fertile ones with narrow and 

 acutish, the staminate with white and rounded scales. 



17. RHODANTHE. (Name from Greek words for rose and flower, from 

 the rose-colored pearly heads, which in cultivation are sometimes white.) ® 



R. Mangldsii, cult, in gardens for ornament, from Australia : a low 

 smooth herb, with oblong and alternate clasping entire leaves, and loosely 

 corymbed showy nodding heads of yellow flowers, the pearly involucre obovate 

 or obconical, smooth, rose or white, A^ery ornamental, in summer. 



18. AMMOBIUM. (Name from Greek words meaning Z«V«n(7 m sanrf.) (T) 



A. alatum, of Australia, cult, for ornament : 1° -3° high, rather cottony, 

 with root-leaves oblong and tapering downwards into a petiole, stem-leaves 

 small and lanceolate, and extended down the branches and stems in the form of 

 leaf-like wings ; heads solitary with pearly white involucre surrounding yellow 

 flowers. 



19. HUMEA. (Named for Lady Hume.) From Australia, cult, for orna- 

 ment, u; 



H. elegans. Tall, 3° - 6° high when in flower, with simple stem thickly 

 set with the alternate lance-ovate and clas))ing green leaves, the summit branch- 

 ing into a large drooping panicle, its branches slender, bearing very numerous 

 and small purplish heads. 



20. VERNONIA, IRON- WEED. (Named for a Mr. VerHon, of Eng- 

 land, who travelled in this country.) Fl. autumn. 2/ 



V. Noveborac6nsis, New York or Common Iron-Weed. Near the 

 coast and along rivers : 3° - 6° high, with lanceolate serrate leaves, crowded 

 along the whole height of the stem, heads in a broatl corymb, and scales of in- 

 volucre with slender awl-shaped or awn-like tips. 



V. fasciculata, only W. & S. in ])rairics, «6;c., has the scales of involucre 

 blunt and jiointlcss, cxcejit perha])s some of the lowest. 



V. angUStif61ia, only S., has narrow linear and more scattered leaves. 



