1957] 



BOTANY OF THE CHIMANTA MASSIF— I 



439 



cutis, 1.0-1.2 mm longis, liberis; stylo vix vel non exserto ramulis recurvatis 

 late obtusis truncatis 1.2-1.4 mm longis, dorso unilobato, parte stigmatica 0.2- 

 0.3 mm projecta; pappo stramineo vel rufescenti-stramineo curvato, 6.0-6.5 mm 

 longo, setis numerosis ca. 5-seriatis minute adscendenti-barbellatis; achaeniis 

 stramineis fusiformibus, 5-6 mm longis 1.0-1.5 mm diam., 10-nervatis glabris, 

 annulo brevissimo, corona perbrevi, minute 5-lobata. 



TYPE: savanna below summit of western escarpment, Torono-tepui, Chimanta 

 Massif, Bolivar, Venezuela, 2090 m alt., February 9, 1955, Julian A. Steyermark 

 & John J. Wurdack 681 (holotype F, isotype NY). Paratypes: prominent exposed 

 sandstone formations around swampy savannas on plateau of southeast-facing 

 upper shoulder of Apacara-tepui, Chimanta Massif, 2100 m alt., June 20, 1953, 

 Steyermark 75770; rocky and swampy savanna between west and east branches of 

 headwaters of Rio Tirica, Central Section, Chimanta Massif, 2120-2210 m alt., 

 February 11, 1955, Steyermark & Wurdack 742; rocky open places on large boul- 

 ders bordering zanjones in valley of Rio Tirica above Summit Camp, Central 

 Section, Chimanta Massif, 1940 m alt., February 7, 1955, Steyermark & Wurdack 

 571. 



