310 MEXICO. [AmentacecB. 



Adrien de Jussieu unites the Hermesia of H. B. K., with Alchornea, Sw. How far justly we have no 

 means of determining-. 



1. Croton syringcvfolius. H. B. K. Nov. Gen. Am. 2. p. 67. 



Hab. Acapulco. — The lower leaves are almost entirely cordate, the upper ones more approaching to ovate. 

 ]. Pedilanthus tithymaloides. H. B. K. Nov. Gen. Am. 2. p. 63. Bot. Reg. t. 837. 



1. Euphorbia pilulifera. L. — Schlecht. in Linncea, b.p. 83 E. globulifera. H.B.K. 



Nov. Gen. Am. 2. p. 56. 



2. E. ocymoides. L. ? — Schlecht. in Limited, 5. p. 83. 



3. E. strigosa; caulibus herbaceis erectis flexuosis, foliis strigoso-hirsutis lanceolatis 

 (2 poll, longis) brevissime petiolatis integerrimis, involucris cupulatis laceratis eglandulosis 

 paucis subumbellatis, bracteis sub 4 coloratis umbella longioribus. 



This has a perennial root, bearing several flexuose branching stems, about a foot long. 

 1. Poincettia pulcherrima. Grah. in Bot. Mag. t. 3493. 

 1. Acalypha rhombifolia ? Schlecht. in Linncea, 7. p. 382. 



Ord. LXXV. URTICE^E. Jim. 

 1. Boehmeria elongata. Fisch. — Schlecht. in Linncea, 5. p. 81. 



1. Ficus lancifolia ; foliis sublonge petiolatis oblongo-lanceolatis tenui-acuminatis 

 integerrimis submembranaceis, fructibus solitariis vel ternis axillaribus globosis sessilibus 

 glabris. 



Ord. LXXVI. PIPERACE^. Kunth. 



1. Piper scabrifolium ; fruticosum, ramis obtuse tetragonis pubescentibus, foliis sub- 

 coriaceis brevi-petiolatis oblongo-ovatis brevi-acuminatis venosis utrinque scabris basi 

 inaequalibus, spicis brevi-pedunculatis elongatis cylindraceis folio brevioribus. 



2. P. patens; fruticosum, ramis divaricatis ad nodos geniculatis, foliis ovato-lanceo- 

 latis membranaceis acuminatis utrinque molliter pubescentibus nervosis basi acutis vix 

 intequalibus, spicis brevi-pedunculatis cylindraceis folio dimidio brevioribus. 



3. P. begonicBfolium ; glaberrirnum, ramis teretibus, foliis oblongo-ovatis membranaceis 

 nervosis acutiusculis basi valde ina;qualibus utrinque rotundatis, spicis elongatis cylin- 

 draceis brevi-pedunculatis folium agquantibus. 



Ord. LXXVII. AMENTACE^E. Juss. 



1. Salix microphylla ; valde ramosa, foliis parvis patentibus sparsis sessilibus lineari- 

 lanceolatis acutis obscure serratis costatis enervibus glabriusculis junioribus sericeis, 

 stipulis minutis caducis, amentis coaetaneis in i-amulis terminalibus ovalibus parvis, 



