Detns] Lxxi. coMPOSiTyE. 547 



3. D. hyssopifolia. 



Aster hi)ssoi>i/,,rn,s Berg, PL Cap. p. 287 (17G7). 



Var. straminea. 



A hard rigid brittle shrublet, 3 to 5 in. high, more or less grey 

 or hoary ; rootstock woody, wiry ; stem much branched at and 

 near the base, decumbent or ascending, woody ; branches ascend- 

 ing or erect, subterete or obtusely angular by the shortly 

 Recurrent midribs of the leaves, scabrid with stiff whitish 

 ascending short bristles which arise from a thickened base, leafy 

 below ; leaves alternate, often crowded, linear or somewhat 

 oblong, obtusely pointed or rounded at the apex, broad at the 

 sessile base, ^ to f=^ in. long, thick, uniuerved, entire, spreading or 

 ascending, yello\vish-green and scabrid-hispid Avith whitish l)ristles 

 on both faces ; the bristles arising from thickened glandular bases, 

 short, rigid, sjireading-ascending ; capitula hemispherical, about 

 h in. in diameter, many-Howered, radiate, straw-coloured, solitary, 

 terminating the erect more or less scabrid peduncular extremities 

 of the branches; involucral scales pluriseriate, sublinear or 

 lanceolate, mostly acute, hispid on the back, ultimately spreading 

 or redexed, the innermost the longest \ in. long, the outermost 

 about yV in. long ; ligule of the ray-florets exceeding the involucre, 

 about 4q in. broad ; disk-florets hermaphrodite, multiseriate, 

 numerous, ^ in. long, the corolla fi-om a very narrowly cylindrical 

 base narrowly funnel-shaped, shortly lobed, obsoletely puberulous 

 outside, the lobes deltoid-ovate ; anthers with ovate lanceolate ap- 

 pendages at the apex, obtuse and not appendaged at the base ; style- 

 branches rather short, with subdeltoid appendages ; achenes com- 

 pressed, obovoid, puberulous, ^^5^ in. long, with a slightly thickened 

 hispidulous margin ; pappus uniseriate, ^ in. long, sordid-white, 

 setose ; the sette minutely setulose, erect, brittle, arising from a 

 small cartilaginous ring at the apex of the ovary, deciduous ; 

 receptacle depresso-convex, punctulate, naked. 



MossAMEDES. — lu rocky maritime places at Praia de Amelia ; in 

 late or past fl. July 1859. No. 3975. 



Perhaps a distinct species. 



15. ERIGERON L.; Benth. etHook.f. Gen. PI. ii. p. 279. 



1. E. linifolius Willd. Sp. PI. iii. p. 1955 (1800) {Umfolium); 

 0. & H. in UHv. PI. Trop. Afr. iii. p. 308. 



Conyza ambicjua DC. Fl. Fr. Suppl. p. 4G8 (1815); Lowe, Fl. 

 Mad. i. p. 437 (1868). 



Island of Madeira. — In neglected fields between Fuuchal and 

 Camara dos Lobes ; fl. and fr. August 1853. No. 3937. 



2. E. arthrotrichus Hiern, sp. n. 



A slender erect hispid scabrid annual herb, 6 to 15 in. high; 

 stem leafy and simple for two-thirds of its height up to the 

 inflorescence, pallid, striate, with the hispid hairs jointed above 

 the tumid base and whitish above the articulation ; leaves alter 

 nate or the lower ones sometimes opposite, linear-tapering, obtuse 

 at the apex, sessile and slightly dilated at the base, yellowish- 



