1958 



THE BOTANY OF THE GUAYAXA HIGHLAND PART III 



25 



Type : flowers yellow, frequent in woodland opposite ridge summit, Culebra 

 Creek drainage at 1500 m alt., Cerro Duida, Terr. Amazonas, Venezuela, Nov 19, 

 1950, Maguire, Cowan & Wurdafik 29561 (holotype NY). Paratype: open slopes 

 near summit Culebra Peak, Cerro Duida, at 1800 m alt., April 3, 1949, Maguire 

 d' Maguire 29122. 



Distribution : of frequent occurrence on open slopes, woodlands on the north- 

 ern part of Cerro Duida. Not collected on the adjacent Cerro Huachamaeari. 



Saxofridericia duidae subsp. marahuacensis Maguire, subsp. nov. 



Spiculae 18 mm longae ; bracteolis maximis 3 X 12 mm, acumine 1.0-1.5 mm 

 longo; nerviis 7-9, conspicuis. 



Type : open ridge southeast slopes of Cerro Marahuaca, at 1200 m alt., Terr. 

 Amazonas, Venezuela, May 10, 1949, Maguire d Maguire 29205 (holotype NY). 

 Paratype: "an den zufliissen des Orinoco auf dem Berg Warima" Rob. Schom- 

 burgk 204 S (K, photo NY; BM, photo NY). 



Distribution ; Known only by the type collections from Cerro Marahuaca 

 and "den Berg AYarima," probably Cerro Marahuaca. 



3. Saxofridericia compressa Maguire, sp. nov. 



Herbae perennes 1.5-2.5 m altae ; caudice aliquantum rotundato nee com- 

 presso nec conspicue sigmoideo ; vaginis 30-40 cm longis, 4-5 cm latis condupli- 

 eatis, subinduratis ; laminis 1-2 m longis, 4-5 cm latis, minute subtus punctatis, 

 venis inconspicue numerosis ca. 0.5 mm separatis, apice gradatim vel attenuate 

 acuto, saepe falcato; pedunculo axillari, 10-18 dm longo, 10-15 mm diam., valde 

 eompresso, marginibus acutis vel subalatis, conspicue bulbose expansis subtus 

 inflorescentia, basi bibraeteato, bracteis 15-30 cm longis, lineari-lanceolatis, at- 

 tenuate acutis, submembranaceis ; inflorescentia solitaria bibracteata ; bracteis 

 involucralibus 6-10 cm longis, connatis, igitur saccatis, demum capite maturato 

 raptili ; inflorescentia hemisphaerica vel oblongo-hemisphaerica ad basim trun- 

 eata ; receptaculo conico, 1-2 cm longo, multifloro ; spiculis 50-80, fusiformibus, 

 20-24 mm longis (sepalis inclusis). bracteolis ca. 18, valde gradatis late lanceo- 

 lato-acuminatis, infer ioribus ovatis, 10-18 (20) mm longis, 6-10 mm latis, in- 

 duratis. ad basim subscariosis. inconspicue 7-9-nervatis ; sepalis 22-24 mm longis, 

 ca. 10 mm latis. laneeolatis. valde acuminatis, induratis, ad basim membranaceis, 

 11-13-nervatis ; petalis luteis puris, ad basim liberis, ungue 8-10 mm longo, 6-7 

 mm lato, lamina late obcordata et breviacuminata 25-30 mm lata ca. 2 cm longa ; 

 filamentis prope basim liberis, subulatis, ca. 10 mm longis, 1-nervatis; antheris 

 10-12 mm longis. valde transverse corrugatis, dehiscentibus introrse uno poro 

 laterali subapicali. appendice ca. 0.75 mm longo ; ovario triloculari, loculis 

 pluriovulatis ; stylo filiformi, 22-24 mm longo ; stigmate minuto terminali ; nec 

 capsulis nec seminibus visis. 



Type : perennial herb 2 m high, flowers yellow, petals obcordate, 3 X 3 cm, 

 peduncles much compressed, frequent in low-bush slopes near Cumbre Camp at 

 1700 m altitude, Jan 4, 1954, Cerro de la Neblina, headwaters Rio Yatua-Paci- 

 moni, Territorio Amazonas, Venezuela, Maguire, Wurdack d Bunting 37054 

 (holotype NY). 



Paratypes: Cerro Neblina: Maguire, Wurdacl- 4' Bunting 36842, upper escarpment slopes, 

 east Camp III, 1700-1800 m alt., Dee 24, 1953; the same, Dec 27, 1953, 36939; West Escarp- 

 ment 8 km n Cumbre Camp, frequent at 1900 m alt., Jan 10, 1954, 37172 ; south slopes Cano 

 Grande, vie. Cumbre Camp at 1500 m alt., Jan 16, 1954, 37322. 



Widely distributed on the summit of Cerro de la Neblina; from elsewhere 

 unknown. 



