minusve 2 mm. in diametro; stylus tripartitus cum di- 
visionibus bifidis, erectis, 1.5 mm. longis. Flores stam- 
inati: terminales pistillatis similes, laterales struetura 
aequales sed partibus omnibus minores; florum stamin- 
atorum terminalium disci glandulae ad columnae stami- 
nalis basim insertae, parvae, erectae, oviformi-ellipsoideae, 
0.5 mm. longae vel breviores ; columna crassissima, usque 
ad 10 mm. longa, basi plusminusve 1.5 mm. in diametro, 
supra verticillum inferiorem 1 mm. in diametro sed om- 
nino cylindrica, non attenuata; antherae octo, quinque 
in verticillo inferiore, ad columnae basim 3-3.5 mm., et 
tres in verticillo ad columnae apicem, aequales, 0.8-1 
mm. longae. Fructus globosus vel subglobosus, vivo 
plusminusve 5 cm. longus, 4.8-5 em. in diametro, sicci- 
tate vix minor, apice rotundato-obtusus, basi aliquid 
depressus, epicarpio nitido, atroviridi, saepe maturitate 
paulo purpurascenti, magnopere crassissimo (vivo saepe 6 
mm. crasso), endocarpio lignoso, comparate tenui (usque 
ad 2.5-3 mm. crasso), valvis regularibus, plerumque 4.5 
em. longis, 2 cm. latis; pedunculo vulgo longissimo, 
robusto, usque ad 8-12 cm. longo, 4 mm. in diametro. 
Semina cum testa rufo-brunnea et conspicue hebeti, in 
circuitu longitudinall rotundato-ovalia, plusminusve 80 
mm. longa, 26 mm. lata, compressa, 18 mm. crassa, in 
circuitu transversali inaequaliter rhomboidea, superficie- 
bus duabus ventralibus conspicuis, carina dorsali promi- 
nenti, hyli cicatrice conspicua, subrotundata vel subtri- 
angulari, 6-7 mm. longa lataque, prope apicem cicatricum 
versus rostello instructa. 
CoLombBia: Comisarias del Amazonas and Vaupés, Rio Apaporis, 
Cachivera de Jirijirimo and vicinity. Altitude about 800 feet. ‘‘Tree 
50-55 feet tall. Diameter 8-10 inches. Flowers yellowish. Latex 
chalky white. Bark flaky, grey-white. Leaf like Cunuria Spruceana 
with which it grows. Common.’’ September 16, 1951, Richard Evans 
Schultes § Isidoro Cabrera 14006 (Tyre in Herb. Gray ).—Same local- 
ity. ““Tree 60 feet tall. Diameter 1 foot. Bark greenish grey. No 
[ 80 | 
