244 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [V*ol. 9, No. 3 



0.5 mm longer than the lemma, deeply concave, glabrous, or obscurely pubescent 

 at the tip. 



TYPE: occasional in thickets and on rocky elevations 1 km south of Cumbre 

 Camp, alt. 1800 m, Cerro Guaiquinima, Rio Paragua, Bolivar, Venezuela, Decem- 

 ber 29, 1951, Bassett Maguire 32822; U.S. National Herbarium No. 2,078,761. 



10. Myriocladus affinis Swallen, sp. nov. Figure 3f. 



Culmi 3-5 m alti, summo 2-6 ramosi, internodio primario 1-2 m longo; rami 

 90-100 cm longi; vaginarum pars manifestus 2-3 cm longus, glabrus vel sparse 

 pubescens, subtruncatus, in ore fimbriatus; laminae 17-24 cm longae, 3 .5-5 cm 

 latae, basi 6-8 mm latae, vix petiolatae, glabrae, marginibus scabrae; inf lores - 

 centia 50-70 cm longa, densa, multiramosa, ramis anguste adscendentibus, 6-8 

 cm longis, ad summum brevioribus et densioribus; axis, rami, et pedicelli dense 

 pubescentes; spiculae purpureae, lemmate fertile 1, pedicellis 2-3 mm longis, 

 appressis; gluma prima 2-2.6 mm longa, angusta, subacuta, in carina hispidula, 

 marginibus ciliata; gluma secunda 2.5-4 mm longa, subacuta vel subobtusa, apice 

 hispidula vel arista breve hispidula, summo marginibus ciliata; lemma sterile 

 3.5-3.8 mm longum, subobtusum, mucronatum, apice hispidulum; lemma fertile 

 lemma sterile simulans, 3.8-4.1 mm longum; palea 2.6 mm longa, quam lemmate 

 multo angustior. 



Culms 3-5 m high* the main internode 1-2 m long, bearing 2-(6) branches at 

 the summit, with a group of much shortened internodes for a distance of about 

 30 cm below the branches; branches 90-100 cm long; exposed portion of sheath 

 2-3 cm long, glabrous or sparsely pubescent, the rim at the summit 0.2 mm long, 

 minutely irregular, the throat rounded, fimbriate; ligule 0.5 mm long, truncate, 

 thick, glabrous; blades 17-24 cm long, 3.5-5 cm wide or the upper ones smaller, 

 abruptly rounded at the base, glabrous on both surfaces, the margins scabrous to 

 nearly smooth, the junction with the blade 6-8 mm wide, scarcely petiolate; in- 

 florescence 50-70 cm long, rather dense, with numerous slender, narrowly ascend- 

 ing branches, commonly 6-8 cm long, much shorter and more crowded toward the 

 summit, the main axis, branches, and pedicels densely pubescent; spikelets dark 

 purple with 1 fertile floret and a rudiment, the pedicels 2-3 mm long, appressed; 

 first glume 2-2.6 mm long, narrow, subacute, rarely with a short hispidulous awn, 

 the nerve hispidulous, the tip densely so, the margins usually ciliate; second 

 glume 2.5-4 mm long, subacute, the tip hispidulous, or subobtuse with a short 

 hispidulous awn, the margins ciliate at the summit; sterile lemma 3. 5 "3 -8 mm 

 long, subobtuse, the tip hispidulous, usually mucronate; lemma of fertile floret 

 3.8-4.1 mm long, similar to the sterile lemma; palea 2.6 mm long, much narrower 

 than the lemma. 



TYPE: occasional about thickets, borders of woodlands, and rocky elevations, 

 Cumbre Camp, alt. 1800 m, Cerro Guaiquinima, Rio Paragua, Bolivar, Venezuela, 

 December 28, 1951, Bassett Maguire 32792; U.S. National Herbarium No. 2 ,078,760. 



11. Myriocladus paruensis Swallen, sp. nov. Figure 3g. 



Culmi usque ad 5 m alti, glabri, in parte inferiore efoliosi; rami foliosi 2 vel 

 3, 0.6-1.7 m longi; culmoriim sterilium laminae 45 cm longae, 9 cm latae, mar- 

 ginibus scabrae vel hispido-ciliatae; panicula 60-80 cm longa, racemis numerosis 

 gracilibus adscendentibus, inferioribus usque ad 18 cm longis in parte inferiore 

 ramulis brevibus; spiculae 2-3"florae, suprema reducta, pedicellis 2-4 mm longis 

 glabris vel pubescentibus; gluma prima angusta 2-3 mm longa, summo compressa, 

 hispidula; gluma secunda 2.5-5 mm longa, summo hispidula; lemma sterile glumam 

 secundam simulans; flosculorum primorum lemma 4.0-4.3 mm longum, subobtusum, 

 summo et marginibus plus minusve hispidulum; palea obtusa quam lemmate 0.5 

 mm longior; rachilla pubescens. 



