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MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [Vol. 8, No. 2 



riaceis, apice obtuso aliquantum retuso, basi acuminata, costa prominula, ner- 

 vis lateralibus ca. 6 jugis inconspicuis, nervis venulisque valde reticulatis, 

 petiolo 1.0-1.5 cm. longo angustissime alato; inflorescentiis umbellato-corym- 

 bosis; axibus 15-20 cm. longis glabris, bracteis foliaceis sessilibus oblanceola- 

 tis 2.5-4.0 cm. longis; pedunculis subumbellatis vel corymbosis 3-7 cm. longis 

 ebracteatis vel 1-3 bracteis foliaribus reductis; capitulis 4-10 campanulatis 

 22-27 mm. altis 20-30 mm. latis, phyllaribus 30-40 gradatis, exterioribus ovatis 

 5-7 mm. longis, mediis orbiculo-obovatis 12-15 mm. longis, interioribus 24-26 

 mm. longis 5-8 mm. latis oblongo-oblanceolatis purpurellis intus plus-minus dense 

 puberulis; receptaculo ca. 8 mm. diam. convexo puberulo epaleaceo; floribus 

 18-25, corollis albidis minute puberulis, tubo 8-10 (12) mm. longo, lobo posteriori 

 lineari ca. 3.5 mm. lato, 18-22 mm. longo 3-dentato, lobis anterioribus linearibus 

 ca. 1 mm. latis 18-22 mm. longis; antheris 17-18 mm. longis connatis, appendicum 

 apicibus 1.5-2.0 mm. longis acutiusculis, appendicibus caudatis linearibus obtu- 

 siusculis ca. 5 mm. longis 2-3 mm. connatis, filamentis ca. 7-8 mm. longis in ori- 

 ficio tubi affixis; pappo 15-16 mm. longo albido, setis fragilibus barbellatis, stylo 

 ca. 3.5 mm. longo, ramis glabris 1.0-1.2 mm. longis obscure 3-lobatis; achaeniis 

 ca. 8-9 mm. longis sparse puberulis olivaceis aliquantum compressis 10-costatis, 

 annulo brevissimo. 



TYPE: tree 5 dm. -3 m. high, mostly unbranched, leaves coriaceous, glossy 

 green above, white-tesselate below, red-tinged toward tips of branches, ' pedun- 

 cle, " bracts, involucre, and anthers reddish, corolla and pappus white, locally 

 frequent, mainly scrub savanna, Southeast Escarpment, 1900 m. alt., Cerro Hua- 

 chamacari, Rio Cunucunuma, Rio Orinoco, Amazonas, Venezuela, December 11, 

 1950, Bassett Maguire, Richard S. Cowan & John J. Wurdack 30135; New York 

 Botanical Garden. Paratypes: Cerro Huachamacari, Maguire, Cowan & Wurdack: 

 data as for the type, 30136 and 30131; tree to 5 m., occasional, cliffs and broken 

 ledges, East Ridge No, 1, 1820 m. alt., 30080; tree 2 m. high, East Escarp- 

 ment, 1900 m. alt., 30262; tree 1-6 m. high, flowers white, occasional dense high 

 scrub in broken terrain, Southwest Escarpment, 1850 m. alt., 30293. 



So far as known, this fine plant is confined to Cerro Huachamacari, where 

 it is a conspicuous and striking feature of the more open cumbre summits. As 

 the genus is now understood, its closest relative is C. benthamiana Rob. Schomb. 

 of the eastern Gran Sabana region. 



