1957] 



THE BOTANY OF THE GUAYANA HIGHLAND— PART II 



335 



TYPE: flowers white, about margins of pool, infrequent, cum bre, Cerro Guanay, 

 Rio Manapiare, Rio Ventuari, Terr. Amazonas, Venezuela, at 1800 m alt., Febru- 

 ary 2, 1951, Maguire, Phelps, Hitchcock & Budowski 31715 (Holotype, NY). 

 Paratypes, Terr. Amazonas, Venezuela: flowers pink, Cerro Guanay, at 1800 m 

 alt., Maguire, Phelps, Hitchcock & Budowski 31716; Cerro Paru, Rio Ventuari, 

 1949, Phelps & Hitchcock 5 26- A; flowers white, frequent, moist ledge, cumbre, 

 Cerro Paru, at 2000 m alt., Cowan & Wurdack 31142; frequent, moist sand pock- 

 ets, sabanita, west rim, Cerro Paru, at 2000 m alt., Cowan & Wurdack 31205. 



Distribution. Known presently from the cumbre s of Cerro Guanay in the north 

 Ventuari drainage, and Paru in the south Ventuari drainage, Venezuelan Amazonas. 



By virtue of its similar habit, identical leaves and seed, the var. occidentalis 

 is to be associated with the eastern Gran Sabana D. arenicola Steyermark. The 

 western variant differs chiefly in its consistently longer scapes, more numerous 

 flowers, and less acute and erose-subdenticulate sepals. 



6. Drosera cendeensis Tamayo & Croizat, Lilloa 17: 175. 1949. 



TYPE: En el paramo de Cende, Andes, Lara — Trujillanos, Venezuela, 3000 

 m alt., /. Tamayo 1430 (Holotype, VEN). 



Distribution. Known only by three collections made in the paramo in the 

 vicinity of Cende by Isabel Tamayo. 



7. Drosera kaleteurensis Brummer-Dinger, Act. Bot. Neerl. 4: 137. 1955. 



TYPE: Kaieteur Savanna, Maguire & Fanshawe 23446 (Holotype, NY). 



Distribution. Moist sandy or rocky situations in the Gran Sabana region of 

 Venezuela and adjacent Pakaraima region of British Guiana. Ascribed by Brummer- 

 Dinger also to Trinidad. 



Additional specimens. British Guiana, Pakaraima Mountains: Membaru Creek, Pinkus 

 24; Karaurieng River, Maguire & Fanshawe 32286; Holi-tepu, Maguire & Fanshawe 32517; 

 Chinowieng, Maguire, Bagshaw & Maguire 40619. Venezuela, Edo. Bolivar, Gran Sabana: 

 Ptari-tepui, Steyermark 59970; Kavanayen, Steyermark 60497. 



8. Drosera pusilla H.B.K. Nov. Gen. & Sp. 5: 305. pi 490, f.l. 1821. 



TYPE: Sandy places, Rio Negro, Venezuela, Humboldt & Bonpland sin. no. 

 Distribution. Savannas and sandy places; Rio Negro near San Carlos, 

 Amazonas, Venezuela. 



9. Drosera intermedia Hayne, Jour. Bot. Schrad. 1800 (1): 37. 1801. 



TYPE: Hamburg near Eppendorf, Hayne s. n. 



Distribution. Plants of wet sandy boggy and Sphagnum areas,, Europe, North 

 America^ Central America, the West Indies; and in South America; Trinidad, 

 British Guiana, Suriname (the coastal area and Tafelberg), the Gran Sabana, 

 Venezuela. 



10. Drosera communis St.-Hil. PI. Remarq. Bres. & Par. 1: 267. 1824. 

 TYPE: Sao Paulo, Brazil, St.-Hilaire sin. no. 



Distribution. Colombia and southern Brazil, according to Diels; in Venezuela 

 generally distributed but not common in areas of lower altitudes associated with 

 sandstone. 



11. Drosera esmeraldae (Steyerm.) Maguire & Wurdack, stat. nov., descr. emend. 

 D. tenella var. esmeraldae Steyerm. Fieldiana Bot. 28: 244 1952. 



Stems very short; leaves rosulate; petioles ca. 5 mm long, sparingly hirsute 

 beneath or merely ciliolate; stipules adnate for 0.5-0.6 mm dissected to the base, 

 with 5-6 acicular segments; blades suborbicular, ca. 2.0-2.5 mm in diameter, 

 glabrous beneath; scapes solitary, capillary, glabrous, 5-8 cm long, 3-5-flowered; 



