328 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [VoL 8, No. 4 



40b. Macrolobium colombianura var. metaense Cowan, var. nov. Figure 12. 



Arbuscula ad 2.5 m. alta vel arbor 5-6 m. alta, ramulis pilosis. Stipulae 15-25 

 mm. longae, 4-8 mm. latae, foliaceae, falcatae, ellipticae, acuminatae. Folia obo- 

 vata vel obianceolata, 7-10-jugata, paribus 6-15 mm. separatis. Petioli 3-7 mm. 

 longi, pilosi; rachis 7-12 cm. longa, supra uncinato-puberuia, infra alis giabris, 

 axe piloso. Foliola (13-)20-55 mm. longa, (4-)8-20 mm. lata, oblonga, costa pu- 

 berula supra, infra plus minusve pilosula. Inflorescentiae 2.5-5.5 cm. longae, ter- 

 minales, sessiles; bracteis 2 mm. longis, 1 mm. latis, intus giabris, extus ad basim 

 puberulis; pedicelli 2.5-5 mm. longi, puberuli; bracteolae 6-9 mm. longae, 3-4 mm. 

 latae, ovales ad obovatae, extus plus minusve puberuiae, intus glabrae. Hypan- 

 thium 5-8 mm. longum, stipite ca. 1 mm. longo, puberulum. Sepaia (6-)8-12 mm. 

 longa, (2-)4-6 mm. lata, ad apicem sparse ciliolata, oblonga ad elliptica vel obo- 

 vata. Petalus 20-25 mm. longus, 8.5-13 mm. latus, sessilis vel unguicilo 2-2.5 

 mm. longo. Filamenta 30-35 mm. longa, basim versus villosula, antherae 2.5-3 

 mm. longae, 1.5-2 mm. latae. Stigma capitellatum. Stylus 20-27.5 mm. longus, 

 basim versus pilosulus. Ovarium 3 mm. longum, 1-1.5 mm. latum, ob longum, la- 

 teraliter puberulum vel pilosulum, gynophoro 4 mm. longo, pilosulo. Fructus elon- 

 gato-oblongus, marginibus puberulis, carpophoro 10 mm. longo, pilosulo. 



Type Collection: R. Jaramillo, D. Mesa, et al. 412, "Acacias, Intendencia del 

 Meta," Colombia, Aug. 1946 (HOLOTYPE US). 



Additional Specimens: COLOMBIA: Meta: Los Llanos, Villa vicencio toward El Parrao, 

 Nov. 1938, Cuatrecasas 4607 (US); Ouebrada Negra, near Villa vicencio, Jan. 1939, Haught 

 2555 (F, NY, US); Acacias, Aug. 1946, Uribe 1359 (US). 



40c. Macrolobium colombianum var. ocumarense Cowan, var. nov. Figure 12. 



Arbor 4-5 m. alta, ramulis pilosulis. Stipulae 8.5-15 mm. longae, 3.5-6.5 mm. 

 latae, foliaceae, falcatae, ellipticae, acutae. Folia plus minusve obovata, 5-8- 

 jugata, paribus 7-22 mm. separatis. Petioli 4-15 mm. longi; rachis 4-14 mm. 

 longa, petioiis et rachibus uncinato-puberulis supra, infra giabris vel plus minusve 

 pilosulis. Foliola 9-52 mm. longa, 5-24 mm. lata, oblonga vel elliptico-oblonga, 

 costa supra dense puberula, lamina glabra vel ad basim puberula, in costa infra 

 basim versus pilosula; costa plana vel sparse impressa supra. Flores non vidi. 

 Fructus 11.5-12 cm. longus, 4 cm. latus, oblongus, apicem versus latior, puberu- 

 lus, carpophoro 9-12 mm. longo, semina 2.5 cm. longa, 2 cm. lata, obovata. 



Type Collection: H. Pittier 12164, "En las selvas pluviales inferiores de los 

 valles de Ocumare, Aragua, 500-800 m.," Venezuela, April 1926 (HOLOTYPE 

 VEN, isotype US). 



Additional Specimens: VENEZUELA: Carabobo, upper Guaremales, road from Puerto 

 Cabello to San Felipe, July 1920, Pittier 8971 (US, VEN); Perico, road from Caracas to 

 La Gua^ra, Pittier 8971a (VEN). 



Vernacular Names: "grifo negro," "roso picure." 



The last collection cited above bears the number 8971 but since this number 

 was also assigned to another collection it is here referred to as 8971a to distin- 

 guish the two collections. 



40d. Macrolobium colombianum var. bicuspidum (Pittier) Cowan, comb. nov. Fig- 

 ure 12. 



Macrolobium bicuspidum Pittier, Bol. Soc. Venez. Ci. Nat. 7: 140. 1941. 



Tree 12-15 m. tall, the branchlets pilosulose and puberulous, the hairs often 

 uncinate. Stipules 25 mm. long, 5 mm. wide, foliaceous, falcate-fusiform, acumi- 

 nate, ciliolate, pilosulose on the costa. Leaves oblong-oblanceolate or obovate, 

 6-13-jugate, the pairs 8-12 mm. apart. Petioles 2-6 mm. long, pilose, sometimes 

 also puberulous; rachis 6-13.5 cm. long, uncinate puberulous on the upper sur- 



