JANUARY 1 TO DECEMBER 31, 1968 9 



324342 to 324423— Continued 



324413 to 324421— Continued 



324415. Col. No. 136. Chapudero, 15 km. northwest toward Durango, 

 30 km. northwest Concoidia in Sinaloa. Dense, low-rainfall forests. 

 Elevation 300 to 800 m. Trees to 7 m., conspicuously brittle. Three 

 to four pairs pinnae, 3-5 pairs leaflets; size variable, 1 by 2 to 2-5 

 cm., variable acute; young vegetation distinctly reddish brown; pods 

 to 15 cm., 1.5 to 2 cm. wide, hirsute seeds like L. leucocephala. New 

 heads just appearing; few old pods badly infested with insects; seeds 

 on ground. Flowers in terminal racemes more or less conspicuous as 

 in L. shannoni. 



324416. Col. No. 137. Same as P.I. 324415. 



324417. Col. No. 138. Same as P.I. 324415. 



324418. Col. No. 139. Two km. west of Chapudero, 8 km. west of Con- 

 coidia, Sinaloa. Trees to 6-8 m., bark smooth, with flaked appearance. 

 Trunks to 15 cm. diameter breast high. 



324419. Col. No. 140. On highway 40 to Durango, 5 km. northeast of 

 Concordia, Sinaloa. See P.I. 324415 for description. 



324420. Col. No. 141. On highway 40 to Durango, 1 km. northeast of 

 Concordia, Sinaloa. Seeds collected from ground. 



324421. Col. No. 144. Twenty km. north of Mazatlan, Sinaloa. Eleva- 

 tion 60 m.; wooded rolling hills. Prolonged dry season. Small, spread- 

 ing trees to 6 m., bark often white with lichen. Species easily noted 

 by residual, dry spikes of inflorescence atop trees. 



324422. Leucaena sp. 



Col. No. 7. Open rocky plain, 12 km. south of Cuernavaca, Morelos. 

 Open rocky land. Elevation 1,600 m. Tree to 15 m., spreading, without 

 thorns. Leaves very large, 12 to 16 pinnae; 20 to 38 leaflets, oblong, 2-5 

 mm. More or less larger than L. leucocephala; no stipules; leaves more or 

 less identical to L. diversifolia. Pods both mature and young, 2 by 12 cm. ; 

 3-5 seeds, rounded. 



324423. Leucaena sp. 



Col. No. 13. Near Tepexco, 30 km. west of Izucar de Matamoros, Puebla. 

 Heavily wooded dry slopes. Elevation 1,200 m. Also common south of 

 Tehuacan. Tree to 9 m., smooth bark with light peel like birch. Leaves 

 like L. stenocarpa; minutely thorny, 3 mm. lanceolate stipules. Leaves 

 with 6-10 pairs pinnae, 30 or more leaflets, 1 by 3 mm. Pods 2 by 12 cm., 

 dehiscent, immature. Flowers mid-^June. Flowers not seen, evidently in 

 8 cm. long spikes. 



324424 to 324451. 



From Colombia. Seeds collected in July 1967 by J. L. Brewbaker, Depart- 

 ment of Horticulture, Agriculture Experiment Station, University of 

 Hawaii, Honolulu. Numbered Jan. 2, 1968. 



324424 and 324425. Albizia guachapele (Kunth) Dugand Leguminosae. 



324424, Col. No. 67. Near Melgar, 30 km. east of Girardat, Departmento 

 Bogota. Tree to 15 m. high, spreading, 36 cm. diameter breast high; 

 leaves to 30 cm. long; 5-6 pairs pinnae; 5-6 leaflets, 1.5-3.0 cm. by 2-4 

 cm.; minute puberulence on young stem, petiole, leaf rachis, leaflets, 

 especially lower surface. Late pod, two to 2.5 cm. by 11 to 16 cm., 

 puberulent, whitish, resembles L. leucocephala in size; 13 to 18 seeds 

 per pod, peduncle 2-3 cm.; 5-10 pods per inflorescence. Green flat 

 glands at base of uppermost pair pinnae and below lowermost. 



324425. Col. No. 68. Ten km. west of Girardot, Departmento Bogota. 

 Same as P.I. 324424. 



324426 to 324451. Leucaena leucocephala (Lam.) de Wit Leguminosae. 



Leadtree. 



