426 Helenieae 



Leaves opposite. 



Tnvolucral bracts in more than 1 series. 44. JAUMEA. 



Involucral bracts in 1 series. 



Bracts distinct. 47. BAEBIA. 



Bracts united into a toothed cup. 48. LASTHENIA. 



Leaves alternate. 

 Rays present. 



Rays with toothed appendages opposite the ligules. 



49. MONOLOPIA. 

 Rays unappendaged. 

 Bracts of the involucre erect. 



Herbage pubescent and viscid-glandular. 



Bracts equal, in 1-2 series. 46. PERITYLE. 



Bracts imbricated, in 2-3 series. 54. HULSEA. 



Herbage more or less floccose-woolly. 



Perennial or suffrutescent plants. 50. ERIOPHYLLUM. 



Low annuals. 51. ACTINOLEPIS. 



Outer bracts foliaceous, spreading. 45. VENEGASIA. 



Bracts reflexed. 55. HELENIUM. 



Rays wanting. 



Bracts 5-6; herbage viscid; heads small. 52. AMBLYOPAPPUS. 



Bracts more numerous ; heads middle-sized. 53. CHAENACTIS. 



44. JAUMEA Pers. 



Succulent and glabrous perennial herbs, with opposite 

 entire subterete fleshy leaves, and solitary terminal 

 short-peduncled middle-sized heads of yellow flowers. 

 Involucre cylindraceous-campanulate, its bracts broad 

 and imbricated, the outermost short and fleshy. Rays 

 pistillate, fertile. Receptacle naked, conical. Disk- 

 flowers yellow. Style-branches papillose or hairy. 

 Achenes 10-nerved. Pappus none. 



1. J. carnosa (Less.) Gray. Stems rather slender, prostrate, 

 many from fleshy crown of the tap-root, mostly simple, 1-2 dm. 

 long, rooting at the nodes; leaves 1.5-2.5 cm. long; heads about 

 1 cm. high ; rays about 6, linear, not surpassing the disk ; achenes 

 glabrous. 



Common in salt marshes along the coast. April-October. 



45. VENEGASIA DC. 



Stout perennial leafy branching herbs with scattered 

 large and showy heads of yellow flowers. Involucre 



