196 RHAMNACEE, 
5. Zizyphus, sp. 
SourH Mexico, Zimapan (Coulter, 13). Hb. Kew. 
6, Zizyphus, sp. 
Nort Mexico, Monterey (Eaton & Edwards, 63). Hb. Kew. 
a: Joe 
| . 2. CONDALIA. | 
Condalia, Cav. Ann. Cienc. Nat. i. p. 39, t. 4; Benth. et Hook. Gen. Plant. 1. p. 376. 
About six shrubby species in the tropical and warm temperate regions of America, 
both North and South. _ : | 
1. Condalia mexicana, Schl. in Linnea, xv. p: 471. | 
Norra Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 112 
and 113); Sours Mexico, Cactus Plains, Oaxaca (Galeotti, 7011), near Zimapan 
(Schiede), Barranca de Acholoya (Ehrenberg). Hb. Kew. 
2. Condalia spathulata, A. Gray, Pl. Wright. i. p. 32. 
TExas.—Nortu Mexico, Sonora (Schott), sides of a cafion on the San Pedro, Sonora, 
(Wright), San Luis Potosi to San Antonio (Parry, 111). Hb. Kew. 
| . | 
3 3. MICRORHAMNUS. 
Microrhamnus, A. Gray, Pl. Wright. i. p. 34; Benth. et Hook. Gen. Plant. i. p. 376. 
The only species described, a dwarf shrub. 
_ 1. Microrhamnus ericoides, A. Gray, Pl. Wright. i. p. 34. 
Texas, New Mexico to—Norrx Mexico, dry plains near Parras (Greqq). 
| | 4. KARWINSKIA. 
Karwinskia, Zucc. Nov. Stirp. fase. i. p. 849, t. 16; Benth. et Hook. Gen. Plant. i. p. 877. 
Shrubs and small trees. The following enumeration includes all the species of the 
genus :— 
1. Karwinskia affinis, Schl. in Linnea, xv. p. 460. 
? Rhamnus biniflorus, Mog. et Sessé, Hook. et Arn. Bot. Beech. Voy. p. 283. 
Sour Mexico, Jalisco (Lay). 
2. Karwinskia glandulosa, Zucc. in Flora, 1832, ii. Beibl. p. 71. 
Texas, New Mezxico.—Souta Muzxico, plains of Actopan (Graham, 130), Oaxaca 
(Ghiesbreght, 65). Hb. Kew. 
3. Karwinskia humboldtiana, Zucc. Nov. Stirp. i. p. 351. 
Rhamnus triflorus, var., Hook. et Arn; 
“Rhamnus humboldtianus, H. B. K., proxima nisi eadem ” (Schiede) . 
