328 NORTH BRAZILIAN EUPHORBIACE^ 



per anthesin fere reconditum, post antliesia cocci mox radiatim ex- 

 crescuntj maturi basi attenuati^ fere 3 lin. longi, virides, apice armati 

 spinis rubris ssepe ia cornua incrassatis. Semen ovoideura. Albumen 

 carnosum. Embryo vix albumine brevior, cotyledonibus ovatis planis, 

 radicula brevi. 

 rrom the gapd of the Kio Negro, above the falls of San Gabriel, 



Spruce 



Angostyles, geu. nov. AcalypJiearum. 



This tree is again in some respects allied to the last, and to Botry- 

 anthe^ but the inflorescence as well as the flowers differ too much to as- 

 sociate them in the same genus. The green urn-shaped style, half an 

 inch long, is a very striking feature in the female flower. 

 Cha7\ Gen. Angostyles. Flores monoici, apetali. Masculi secus ra- 

 mos pedicellati, solitarii v. fasciculati. Calyx valvatim 3-4-partitus. 

 Stamina pluiima ; filamenta brevia, basi in columnam pyramidatam 

 coalita, antheris ovatis bilocularibus. Flores fceminei axillares v. 

 terminales, solitarii, pediceUati. Calyx 5-partitus, lacinils angustis. 

 Ovarmm sessile, subglobosum, triloculare, loculis nniovulatis. Stylus 

 maximus, infundibularls, apice subrecurvo-6-lobus. Capsula pro- 

 funde trisulca, tricocca, stylo persistente coronata, coccis intus bival- 

 vibus. 

 Species unica: AAoyigifolia. Arbor gracilis, 15-20-pedalis, ramulis 

 crassiusculis novellis ferrugineo-pubescentibus. Stipulce subulatse. 

 Folia ad apices ramulorum approximata, subsessilia, elongato-cuneata 

 V. obovali-oblonga, l-l|-pedalia, acuminata, remote glanduloso-ser- 

 rulata, basi longe angustata, membratiacea, ad venas pubescentia, c3G- 

 terum glabra. Flores masculi e ramulis annotinis vetustioribusve 

 nati, flavi, pedicellis tenuibus 3-5 lin. longis, solitariis v. per 2-5 

 fasciculatis subracemosis. Sepala ovata^ 2 lin. longa, crassiuscula, 

 extus tomentella. Stamina 20-25, calyce breviore, filamentis bre- 

 viter liberis pilis intermixtis. FL fceminei pedicello rigido 4-5-line- 

 ari impositi- Stylus crassus, viridis, tomentellus, 4-6 lin. longus. 

 Capsjila 4-5 lin. diametro, profunde trisulca, tomentella, coccis dorso 

 plus minus sed semper molliter et breviter muricatis. Semina fere 

 globosa, magnitudine pisi minoris. 



Gathered by Mr. Spruce in the forest near San Gabriel, on the Rio 

 Negro. 



