MACLOSKIE I COMPOSITE. 867 



or the inner ones long and dry. Receptacle naked or hairy. Anthers 

 long-tailed. Style thickened upwards, subentire. Ackenes 5-ridged, vil- 

 lous. Pappus-setce copious, rigid, outer ones smaller. 

 Species 12, S. Amer., i in Bahama Is. 



GOCHNATIA GLUTINOSA Don. 



Viscous. Leaves linear-lanceolate, acuminate, veinless. Heads cylin- 

 drical, 5-flowered, fasciculate. Involucral scales lance-subulate. 

 N. Patagon., at Mendoza. 



65. LAVIDIA Phil. 



Heads discoid, medium-sized, terminal and sessile, many-flowered, all 

 the flowers hermaphrodite. Involucre campanulate, its scales laxly imbri- 

 cate, many-seriate, coriaceous, carinate, acuminate. Receptacle plane, gla- 

 brous. Outer corollas little cleft, bilabiate, their larger lip ovate, 3-toothed, 

 the smaller bifid, apex revolute. Inner flowers tubular, sub-bilabiate, teeth 

 cucullate. Anthers winged and long-tailed, tails plumose. Styles equal, 

 thick, the branches short, obtuse, connivent. Achenes not truncate, papil- 

 lose, at length ribbed. Pappus-setce i -seriate, rough. 



Species i, viz. : 



L. CAESPITOSA PHIL. 



Very low, cespitose shrub, with very short branches, 6 mm. thick. 

 Leaves coriaceous, sessile, linear, entire, densely woolly at base. 

 Patagon., by Lago Pinto, and L. Argentine ; Rio Sta. Cruz. 



66. CYCLOLEPIS Gill. & Don. 



Branching, hoary shrub, with rigid branches, sometimes spiny ; and small, 

 alternate, entire, coriaceous, silky leaves. Heads mid-sized, nearly sessile, 

 ending the branches, discoid with a few flowers. Invohtcral scales many- 

 seriate, broad-obtuse, dry scarious-margined ; outer scales orbiculate. Re- 

 ceptacle naked. Anthers with long bearded tails. Style-branches obtuse. 

 Achenes silky. Pappzis-setce rigid, barbellate. 



(Differs from Gochnatia by involucre and style.) 



Only one species, viz : 



C. GENISTOIDES Gill. & Don. 



Branches naked, terete, striate. Leaves sparse, linear-lanceolate. 

 (At Mendoza in Argentina. "Usillo"); N. Patagon., by Rio Negro; 

 near Puerto Madryn. (Dusen.) 



