1957] 



BOTANY OF THE CHIMANTA MASSIF— I 



419 



petalis ellipticis, obtusis, 12 mm longis, haud unguiculatis; staminibus verisimi- 

 liter exsertis; capsula ovoidea; seminibus fusiformibus, breviter bicaudatis. 



TYPE: terrestrial, locally frequent, along banks of Cano Mojado, east of 

 north escarpment, below upper falls of Cano Mojado at 1895-1910 m alt., Torono- 

 tepui, Chimanta Massif, Bolivar, Venezuela, February 20, 1955, /. A. Steyermark 

 & J. J. Wurdack 951. 



One flower was found with cochleate sepals and the seeds are short-caudate, 

 making the species appear transitional to Navia. 



14. Lindmania minor L. B. Smith, sp. nov. (Fig. 85.) 



Breviter caulescens, florifera ad 13 cm alta; foliis multis, vaginis late tri- 

 angularibus, 15 mm longis, vetustis brunneis, lucidis, supra dissite albo-floc- 

 culosis, laminis anguste triangularibus, pungentibus, ad 10 cm longis, 12 mm 

 latis, obscure laxeque denticulatis, supra glabris lucidisque, subtus dense adpres- 

 seque albo-f locculosis ; scapo brevi, gracili, flocculoso; scapi bracteis subfo- 

 liaceis, internodia multo superantibus ; inf lorescentia subdense bipinnata, ad 8 

 cm longa, albo-f locculosa; bracteis primariis angustissime triangularibus; ramis 2 

 cm longis, laxe florigeris; bracteis florigeris triangularibus, quam pedicellis 

 graciliter obconicis 5 mm longis subduplo brevioribus; floribus plus minusve 

 erecto-secundis; sepalis late ellipticis, obtusis, 4.5 mm longis, late convexis; 

 petalis anguste spathulatis, obtusis, 13 mm longis; capsula ovoidea, longe 

 rostrata; seminibus breviter bicaudatis. 



TYPE: exposed rock crevices, summit, at edge of escarpment, Torono-tepui, 

 Chimanta Massif, Bolivar, Venezuela, February 9, 1955, /• A. Steyermark & 

 J. J. Wurdack 654. Numbers 685 and 678-/4 from the same locality are this species 

 although the latter has a reduced subsimple inflorescence. 



VENEZUELA: 3olivar: on large rock bordering sava.ina above Summit Camp at 1940 

 m alt., Central Section, Chimanta Massif February- 4, 1955, Steyermark & Wurdack 394. 



15. Lindmania navioides L. B. Smith, sp. nov. (Fig. 86.) 



Caulescens; caule simplici, recto, ad 5 dm longo, 6 mm diametro, foliis 

 vetustis def lexis densissime induto; foliis supremis erectis, pallide viridibus, 

 dense albo-cretaceis, tenuibus, integris, vaginis late ovatis, 1 cm longis, laminis 

 anguste triangularibus, acuminatis, pungentibus, 6 cm longis, 9 mm latis, planis; 

 scapo nullo; inf lorescentia terminali, foliis abscondita, corymbosa, pauciflora, 

 glabra; bracteis florigeris angustissime triangularibus, pedicellos 9 mm longos 

 superantibus; sepalis late lanceolatis, obtusis, 9 mm longis, tenuibus sed basi 

 plus minusve incrassatis; petalis anguste spathulatis, obtusis, 18 mm longis, 

 stamina subaequantibus; capsula ovoidea, longe rostrata, castanea, lucida; semi- 

 nibus anguste fusiformibus, longe bicaudatis. 



TYPE: on bluffs, summit, at edge of escarpment in and among zanjones at 

 2165-2180 m alt., Torono-tepui' Chimanta Massif, Bolivar, Venezuela, February 

 9, 1955,/. A. Steyermark & J. ]. Wurdack 677. 



VENEZUELA: Bolivar: locally frequent on bluff base, northwest-facing forested slopes 

 between Summit Camp and base of escarpment, 1880-1970 m alt., Torono-tepui, Chimanta 

 Massif, Feb. 27, 1955, Steyermark & Wurdack 1 198. Crevices of large rocks on upper shaded 

 side of deep fissure at 2450-2500 m alt., east-central portion of summit of Apacara-tepui , 

 Chimanta Massif, June 21-22, 1953, /. A. Steyermark 75892. 



6. Navia wurdackii L. B. Smith, sp. nov. (Fig. 87.) 



Breviter caulescens; caule adscendenti; foliis multis, vaginis parvis, quam 

 laminis vix latioribus, brunneis, laminis patentibus, curvatis, linearibus, acumi- 

 natis, 3-6 dm longis, 20-25 mm latis, viridibus cum linea mediana lata pallida 

 pictis, supra glabris, subtus lepidibus minutis albis dissite obtectis, spinis 



