190 COMPOSITE FAMILY. 



G. purptireum, Pcrplish 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 

 tlie upper part of the stem. 



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

 Helicheysum, mth pistillate flowers fewer or in a single marginal row. 



G. braetedituin, or Helicheysum beacteatum, from Australia : 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 va:rieties. ® (3) 



G. (or H.) macrtothum, 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. y. ® 



16. ANTENNARIA, EVERLASTING, IMMORTELLE. (Name 

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

 antennm of certain insects. ) y. 



A. margarit^cea, Peaely Eteelasting. Dry fiijlds 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. plautagiuifdUa, Plantain-leaved E. Dry knolls and slopes, fl. 

 early spring : m 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 aud 

 acutish, the staminate with white and rounded scales. 



17. RHOD ANTHE. (Name from Greek words for rose and flmoer, from. 

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

 R. Mangl6sii, 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, very ornamental, in summer. 



18. AMMOBITJM. (Name from Greek words meaning Kwmjtn sand.) ® 



A. al^tum, of Australia, cult, for ornament : I°-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. HUME A. (Named for Lady Hume.) From Australia, cult, for orna- 

 ment. (T) 



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

 set with the alternate lance-ovate and clasping green leaves, the summit branch- 

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

 and small purplish heads. ^ 



20. VERNONIA, IRON-WTSED. (Named for a Mr. Vernon, of Eng- 

 land, who travelled in this country. ) El. autumn. ^ 



V. Noveborac6nsis, New Yoek or Common Ieon-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 broad corymb, and scales of in- 

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



v. fasoieul^ta, only W. & S. in prairies, &c., has the scales of involucre 

 blunt and pointless, except perhaps some of the lowest. ' 



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



