364 Mr. J. Miers on the Genera Aptandra, Cathedra, 



embryo is imbedded; the radicle is superior, short, thick, and 

 clavate ; the cotyledons are of equal length, but much thinner 

 and narrower. 



9. Liriosma macrophylla, Bth. MSS. — Olax macrophylla, Bth. 

 Trans. Linn. Soc. xviii. 678; — ramulis glabris, striatis; foliis 

 lanceolato-oblongis, utrinque acutis, summo gradatim acumi- 

 natis, acutissimis, textura tenui, ubique glaberrimis, superne 

 sublucidis, subtus pallidioribus, opacis, nervis paucis sese 

 arcuatis breviter divergentibus, paullo prominentibus, reticu- 

 latis, rachi subtus prominulo et sulcato, margine valde re- 

 flexo, petiolo brevissimo, crassiusculo, transverse ruguloso; 

 racemis axillaribus, 6-10-fioris. — Rio Casiquiare, in Brasilia 

 Septentrionali (Spruce, 3312). 

 The leaves are 5^-5f inches long, 2|-2| inches broad, on a 



petiole of 2 lines ; the raceme is 3-4 lines long ; the drupe is 



9 lines long, 5 lines in diameter, supported on a pedicel 2 lines 



in length. 



To some of the genera of the Icacinacear formerly described I 

 have to make the following additions : — 



Leretia. 



1. Leretia Vellozii, nob., huj. op. 2 ser. ix. 392; Contrib. Bot. 

 i. 6.2. pi. 7. — L. cordata, Veil. Flor. Fluin. iii. tab. 2. — Bio 

 de Janeiro. 



2. Leretia ampla, n. sp. ; — ramulis angulatis, glaberrimis, cortice 

 laxo, rugoso; foliis majusculis (floralibus minoribus), oblongis, 

 imo obtusis, e medio gradatim acutis, mucronatis, submeni- 

 branaceis, utrinque glaberrimis, subnitidis, pallescentibus et 

 concoloribns, nervis conspicuis obliquis sese arcuatis subtus 

 prominentibus, valde reticulatis, venis transversalibus, mar- 

 gine integro, petiolo rubro, tereti, striato; paniculis laxis, 

 folio brevioribus, infra axillas oppositifoliis, vel terminalibus, 

 valde ramosis, multifloris, vix pubescentibus ; floribus minori- 

 bus, petalis extus adpresse pilosis, intus breviter cottoneo- et 

 incano-tomentosis. — Prope San Carlos, Bio Negro, Amazonas 

 (Spruce, 3776). 



Its leaves are 81 inches long, 3f inches broad, on a petiole 

 \ inch in length ; the floriferous leaves are only half this size, 

 or still smaller. The very branching inflorescence is 2| inches 

 broad, as well as long ; the flowers in bud are somewhat globose, 

 1 line in diameter, on short pubescent pedicels. 



3. Leretia nitida, n. sp. ; — ramulis angulatis, glabris, lenticellis 



