432 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



[Vol 9, No. 3 



tatis liberis linearibus, 1-1.3 mm longis, glabris; stylo subulato longe exserto, 

 3-3-3 cm longo, superne luteo, ramis erectis, 0.6-0.7 mm longis, glabris, basi ab 

 corona carnosa 5-lobata 1-1.2 mm alta subtento; achaeniis oblongo-turbinatis 

 prismaticis, 5-6 mm longis, 10-costatis densissime ferrugineo-hirsutulis pilis 

 sursum directis vel interdum sterilibus glabris; pappo rufescenti 3-seriato, setis 

 ad 18 mm longis, 0.05-0.25 mm latis, barbellatis, appendicum apicibus geniculatis 

 ca. 1 mm longis. 



TYPE: rocky and swampy savanna between west and east branches of head- 

 waters of Rio Tirica, Central Section, Chimanta Massif, Bolivar, Venezuela, 

 2120-2210 m alt., February 11, 1955, Julian A. Steyermark & John J. Wurdack 

 748 (holotype NY, isotype F ). 



6. Chirrantaea humilis Maguire, Steyermark & Vv'urdack, sp. nov. 



Frutex 0. 1-0. 3-metralis, caule erecto ligneo 0.8-1 cm diam. simplici solitario 

 conferte folioso fulvo-lanoso; foliis suprernis patentibus aliis reflexis, alternis 

 subsessilibus basi angustatis coriaceis supra olivaceo-viridibus subtus pallide 

 fulvis anguste spathulatis vel lineari-ellipticis rotundatis, 4.0-6.0 cm. longis 

 5-8 mm. latis, valde revolutis supra convexis canaliculars suprernis juvenili- 

 busque supra minutissime scabridulis subtus cano-tomentulosis; capitulis termi- 

 nalibus solitariis sessilibus homogamis in foliis suprernis et copiosis tomentis 

 insessis in statu sicco campanulatis; floribus actinomorphicis 20 vel paucioribus 

 extus glabris, 23-24 mm longis, tubo prismatico-cylindrico, 7-8 mm longo 1.8 mm 

 diam., extus glabro intus fauce barbato-piloso, lobis 5 erectis linearibus acuti- 

 usculis marginibus incrassatis, 14-16 mm longis 0.7 mm latis, glabris apice in- 

 crassato incurvato; filamentis filiformibus in orificio tubi affixis; antheris lineari- 

 bus, 8.5 mm longis, glabris, appendicibus terminalibus late triangularibus acuti- 

 usculis, 0.5 mm longis, caudicibus sagittatis liberis spathulatis apicibus late 

 rotundatis; stylo basi ab corona carnosa 5-lobata 1.2 mm alto subtento; achaeniis 

 anguste cylindrico-turbinatis prismaticis, 8-9 mm longis superne 2-3 mm latis, 

 10-costatis fulvo-velutinis pilis sursum directis; pappo stramineo-brunneo vel 

 rufescenti, ad 18 mm longo, 3-4-seriato, setis barbellatis, aristatis. 



TYPE: dry rocky places on rocky and swampy savanna between west and east 

 branches of headwaters of Rio Tirica, Central Section, Chimanta Massif, Bolivar, 

 Venezuela, 2120-2210 m alt., February 11, 1955, Julian A. Steyermark & John J. 

 W urdack 747 (holotype NY, isotype F). 



7. Chimantaea mirabilis Maguire, Steyermark, & Vurdack, sp. nov. 



Frutex 0.5-3.0-metralis, caule erecto ligneo ad 5 cm diam. plerumque simplici 

 solitario interdum apice bifurcato infra denudato aliter conferte folioso, parte 

 denuda/a glabra, parte foliosa stramineo-lanulosa; foliis congestis sessilibus 

 suprernis erecto-patentibus vetustioribus inferioribusque reflexis, coriaceis mar- 

 ginibus valde revolutis supra oliveo-viridibus suprernis pilis longissimis densis 

 cremeo-stramineis lanulosis praeditis tandem plerumque deciduis vetustioribus 

 glabris, subtus ochroleuco-pannosis, subteretibus linearibus vel lineari-subulatis 

 praeter basim ipsam ampliatam chartaceam obtusis basi ampliatis, 5-8 cm longis 

 3.5-5 mm latis, basi ipsa 12-15 mm lata, supra canaliculatis basi ampliata 5- 

 nervatis; capitulis terminalibus solitariis sessilibus 45-50-floris homogamis in 

 foliis suprernis et copiosis tomentosis insessis in statu vivo ovoideo-cylindricis 

 in statu sicco campanulatis,' eis maturis distentis, 4.5-5 cm longis 2-4 cm latis, 

 eis ante maturitatem 3-4.5 cm longis 12-20 mm latis; involucro ca. 5-seriato, 

 phyllariis 90-100, ante maturitatem erectis, eis maturis squarrosis vel laxe re- 

 curvatis, indurato-chartaceis, extimis medianisque ovato-lanceolatis vel lineari- 

 lanceolatis acuminatis, 14-18 mm longis infra medium 2-3 mm latis, intus glabris 



