SUB LES simaroub£es. 577 



ex septi apice pendulum, facie planum, dorso convexum ; 

 anatropum ; integumentum membranaceum, pallide ru- 

 fescens, embryoni subjecto arete adhserens. Embryo e 

 massa indivisa constans, puncto radiculari inconspicuo. 

 Frutices America tropica, foliis alternis, exstipulatis, impari- 

 pinnatis, foliolis ssepius subalternis, basi plus minus obli- 

 quis, integerrimis, rigide membranaceis v. coriaceis, floribus 

 parvis, rubescentibus, glomerulato v. fasciculato-spicatis, 

 spicis ssepius oppositifoliis et deflexo-pendulis, non raro 

 geminatis et ramosis. 



Flores pentameri. 



Sp. 1. Picramnia pentandra, Sw. fl. Ind. occid. 1, p. 220. 

 P. foliolis 9 ovatis, obtuse acuminatis, glabris, subcoriaceis, 



nitidis, reticulato-nervosis, paniculse terminalis ramis stric- 



tis, adpresse pubescentibus. 

 In insula Montserrat, (Ryan, ex Sw.) ; et insula Antigua, 



Nicbols. in berb. Hook, specim. imperfect, fructiferum. 



2 - Picramnia polyantha. 



Rhus polyantha, Benth. pi. Hartw. p. 60. 



**• foliolis 9 ovato-lanceolatis, longe acuminatis, supra gla- 

 bris, subtus cano-puberulis v. glabrescentibus, subcoriaceis, 

 paniculee ramosissimee floribundse ramis congestis, bre- 

 vibus v. elongatis, pedicellis et calicibus cano-puberulis, 

 petalis linearibus, acutissimis, atro-purpureis. 



Mexico, in montibus Chinantla, loco dicto Villa Alta, Hartw. 

 *>• 453 ; et in montibus Sierra San Pedro Nolasco, Jur- 

 gensen, coll. ann. 1843-1844, n. 579. 



3 - Picramnia Xapalensis, nov. sp. 



"• foliolis multis, parvis, ssepius alternis, ovatis v. ovato-lan- 

 ceolatis, longe acuminatis, basi valde ineequilateris, glabri- 

 usculis, membranaceis, petiolis nervisque mediis foliorum 

 subtus pubescentibus, panicula et floribus praecedentis. 



Mexico, in montibus prope Xalapam, Galeotti, coll. ann. 

 1840, n. 3506. 



° B 8- Sp. a congeneribus foliolis numerosis, parvis, membra- 

 naceis, facile distinguenda. 

 v °><- v, u u 



