198 RHAMNACEA, 
5. Rhamnus microphyllus, Willd. H. B. K. Nov. Gen. et Sp. vii. p. 51, t. 606. 
Fructus R. macrophylli nondum descriptus. 
Drupa matura baccata, carnosa, 1-2-pyrena; pyrenis osseis, plano-convexis, unispermis, Semina 
spheroideo-turbinata, compressa, circiter 24 lineas diametro, atro-fusca, nitida, levia; albumen 
tenuissimum ; embryo rectus, luteus, cotyledonibus carnosis, plano-convexis, radicula minuta. 
Nort Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 114 
and 115); Sourn Mexico, near Real del Monte (Humboldt & Bonpland). Hb. Kew. 
6. Rhamnus mucronatus, Schl. in Linnea, xv. p. 465. 
SoutH Mexico, near Chantla and Anganguio (Schiede). 
7. Rhamnus serratus, Willd. R. et 8. Syst. Veg. v. p. 295. 
Rhamnus serrulatus, H. B. K. Nov. Gen. et Sp. vu. p. 51, t. 607. 
NortH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 116) ; 
SourH Mexico, in the plain of Mexico near San Augustin de las Cuevas (Humboldt & 
Bonpland), Chiapas (Ghiesbreght, 516), San Angelo (Schiede), Santa Fé (Bourgeau, 
698), Zimapan (Coulter, 1496). Hb. Kew. 
8. Rhamunus (?) spinosus, Hemsley, Diag. Pl. Nov. pars 1, p. 6. 
Arborescens, spinosus, strigilloso-furfuraceus, ramulis rigidis, foliis ellipticis obtusis emarginatis, 
floribus graciliter pedicellatis in axillis foliorum fasciculatis. 
Arbor parva, spinosa, novellis plus minusve strigilloso-furfuraceis, ramulis crassis, spinis rigidissimis 
semipollicaribus. Folia petiolata vix coriacea, glabrescentia, elliptica, 2~3-pollicaria, obtusa, 
emarginata, integerrima, supra glaberrima, nitida, subtus precipue secus costam nervosque 
furfuracea, venis insigniter reticulatis, petiolo 3-5 lin. longo. Flores pedicellati, numerosi, 
in axillis foliorum glomerati, pedicellis gracilibus ineequilongis longissimis, usque 9 lin. longis ; 
calyx furfuraceus, 5-lobatus, lobis late ovatis subacutis ; petala cucullata, brevissime ungui- 
culata, stamina superantia; discus calycis tubum vestiens ; ovarium 3-loculare, 
Fructus maturus non visus. 
Panama (S. Hayes, 273). Hb. Kew. 
stylis connatis. 
9. Rhamnus terniflorus, DC. Prodr. ii. p. 26; Calques des Dess, Fl. Mex. 170. 
MExIco. 
10. Rhamnus umbellatus, Cav. Ic. vi. p. 2, t. 504. 
Mexico, near La Grande (Ehrenberg), Zimapan? (Aschenborn). 
11. Rhamnus, sp. - 
SoutH Mexico, Orizaba (Botteri, 1020). Hb. Kew. 
12. Rhamnus, sp. 
MEXI00, without locality (Hahn, 20). Hb. Kew. 
13. Rhamnus, sp. | 
SoutH Mexico, region of Orizaba (Bourgeau, 2441, 2481, 2495, 2716; Sallé, Hahn, 
22). Hb. Kew. 
