400 



CARDUACEAE. 



2. Borrichia arborescens (L.) 

 DC. Sea Ox-eye. (Fig. 440.) A 

 branching shrub l°-6° tall, with 

 silky-canescent or glabrous foliage, 

 sometimes with both gray and 

 green leaves on the same plant. 

 Leaves oblanceolate or spatu- 

 late-oblanceolate, l'-2^' long, with 

 dark rigid cuspidate tips, entire, 

 sessile; heads 1' broad or less on 

 club-shaped peduncles; outer in- 

 volucre-bracts keeled, acute or ob- 

 tuse, appressed at maturity; the 

 inner larger, rounded at the apex; 

 scale of the receptacle blunt; ray- 

 flowers few. [Buphthalmum arbor- 

 escens L.] 



Common on coastal rocks. Na- 

 tive. Florida and the West Indies. 

 Flowers from spring to winter. 

 Presumably reached Bermuda by 

 floating. 



1. Borrichia fnitescens (L.) DC. 



8ALTMARSH Ox-EYE. (Fig. 439.) 



Finely canescent, even when old; stems 

 terete, sparingly branched, l°-4° high. 

 Leaves mostly erect or ascending, nar- 

 rowly spatulate or obovate, tapering to 

 the sessile base, somewhat connate, l'-3' 

 long, 2' -7" wide ; heads solitary or few, 

 about 1' broad; rays 15-25, rather short; 

 exterior bracts of the involucre ovate 

 and somewhat spreading, the inner ones 

 and the scales of the receptacle cuspi- 

 date. [BuplitJialmum fnitescens L.] 



Salt marshes and borders of salt 

 water lagoons. Coasts of Castle Harbor, 

 native. Southeastern United States. Flow- 

 ers in summer and autumn. Presumably 

 reached Bermuda by floating. 



15. HELIANTHUS L. 



Erect, mostly branched herbs, with simple leaves, and large peduncled 

 heads of both tubular and radiate flowers, the rays yellow, the disk yellow, 

 brown or purple. Involucre hemispheric or depressed, its bracts imbricated in 

 several series. Eeceptacle chaffy, the chaff subtending the disk-flowers. Rays 

 spreading, mostly entire. Disk-flowers perfect, fertile, the corolla tubular, 



