44 PL^TS OF BERMUDA. 



XIII. SENECIO, 



Leaves alternate; involucre one-seriate^ with a few exterior bracts ; 

 florets all tubular or outer radiate ; pappus soft, simple. 



1. S. vulgaris (Groundsel). An erect, annual weed, with a fleshy, 

 angular stem, about a foot high; leaves pinnatifid, clasping the 

 stem, lobes oblong, irregularly toothed. Heads few, drooping, in 

 loose corymbs; outer bracts brownish. Distribution, introduced 

 into all temperate cHraates ; habitat, waste places, rather local. 

 Heads one -third of an inch in diameter, yellow ; April to July. 



D. Liguliferse. Florets all ligulate (strap -shaped) and perfect ; juice 

 milky. 



XIV. CICHOUIUM. 



Perennial kerbs; involucre double, consisting of eight inner bracts 

 united at base, and Jive outer ones shorted' and spreading ; pappus two 

 series of short, chaffy scales. 



1. G. Intybus (Chicory). A perennial plant, with fleshy, tapering 

 root; stem rough, erect, rigid, angular, one to three feet high, 

 with bare, spreading branches; lower leaves deeply and sharply 

 toothed backwards, upper narrow, cordate, clasping the stem. 

 Heads sessile, distant, in pairs ; bracts fringed with glandular 

 hairs ; florets about twenty, flat, five-toothed. Distribution, 

 Europe, introduced America ; habitat, waysides and cultivated 

 ground. Heads bright blue, one to one and a half inches in diam- 

 eter ; summer mouths. 



Tho root of this plant is largely used in many countries as a 

 substitute for Coffee. 



XV. TAUAXACUM. 



Perennial, stetnlcss plants, bearing solitary flowers on naked, hollow 



scapes; involucre double, the outer bracts beiny shorter and curled back ; 



receptacle naked ; pappus consistiny of several series of white, slender 

 hairs. 



1. T. Dens-lconis (Dandelion). Leaves all springing from the 

 root, obovate, deeply and sharply toothed backwards, the lobes 

 few serrate, with wavy margins ; scapes erect, cottony at the 

 top, rising higher after flowering and bearing a globular head 

 of white, feather-like pappus; outer corollas brown on back; fruit 

 two-beaked. Distribution, introduced into almost all countries ; 

 habitat, waste places, very common, often much stunted when 

 growing on rocky soil. Heads bright yellow, one to two inches, 

 almost all seasons. 



XVI. CKEl'IS. 



Annual or perennial herbs, with erect, branched stems. Aehenia slen- 

 der ; pappus hairs simple, white, silky. 



1. C. lyrata. Stem slender, furrowed, erect, one and a half to 

 two feet high, much branched above, slightly pubescent; leaves 



