STANDLEY TREES AND SHRUBS OF MEXICO. 49 



2. CEBATOZAMIA Brongn. Ann. Sci. Nat. III. 5: 7. 1846. 

 The plants of this genus are very imperfectly known and are rarely collected. 

 Some of them are seen occasionally in cultivation. 



Petioles unarmed; pinnae about 1.3 cm. wide 1. C. kusteriana. 



Petioles aculeate ; pinnae 1.8 to 7.5 cm. wide. 



Pinnae few (about 5 pairs), semiobovate 2. C. miqueliana. 



Pinnae numerous (15 to 20 pairs), narrowly lanceolate. 



Pinnae 10 to 12.5 em. long, 1.8 to 3.5 cm. wide 3. C. latifolia. 



Pinnae 30 to 32 cm. long, about 2.5 cm. wide 4. C. mexicana. 



1. Ceratozam^ia kusteriana Kegel, Bull. Soc. Nat. Moscou 1857: 187. 1857. 

 Introduced into cultivation from Mexico, the locality not stated. 



Trunk short ; leaves about 1.5 meters long, tomentose at first, with about 

 40 pinnae ; staminate cones about 8 cm. long, short-pedunculate. 



2. Ceratozamia miqueliana Wendl. Ind. Palm. 68. 1854. 

 Mexico, the locality not stated. 



Leaves about a meter long, glaucous when young ; pinnae 20 to 22.5 cm. long, 

 about 7 cm. wide. 



3. Ceratozamia latifolia Miquel, AViss. Tijdschr. 1: 206. 1848. 

 Described from Mirador, Veracruz. 



4. Ceratozamia mexicana Brongn. Ann. Sci. Nat. III. 5: 7. 1846. 

 'iZamia galeotUi Vriese, Tijdschr. Nat. Gesch. 1845: 23. 1845. 

 Ceratozamia lonfflfolia Miquel, Wiss. Tijdschr. 1: 40. 1848. 

 Ceratozamia intermedia Miquel, Wiss. Tijdschr. 1: 40. 1848. 

 Ceratozamia rohusta Miquel, Wiss. Tijdschr. 1: 42. 1848. 

 Veracruz. 



Trunk short, ovoid ; leaves about a meter long ; /staminate cones about 10 

 cm. long and 4 cm. thick. " Palma " {Ramirez) . 



3. ZAMIA L, Sp. PI. 165. 1753. 

 Several other species besides those listed here have been reported from 

 Mexico, but their status is altogether doubtful. The .species of the genus are 

 known very imperfectly. The Indians of Florida used the starch extracted 

 from the stems of the species of that region as a food knovni as coontie. 



Pinnae oblanceolate or obovate-oblong 1. Z. furfuracea. 



Pinnae linear to lanceolate. 



Nerves of the pinnae few (7 to 10) 2. Z. spartea. 



Nerves of the pinnae numerous (18 to 30 or more). 



Pinnae few (about 16), usually entire 3. Z. cycadifolia. 



Pinnae numerous (28 to 50 or more), more or less serrulate. 



Pinnae obtuse or truncate at the apex 4. Z. leiboldii. 



Pinnae acute or attenuate. 



Pinnae about 0.8 cm. wide 5. Z. lawsoniana. 



Pinnae 1.5 to 3 cm. wide 6. Z. loddigesii. 



1. Zamia furfuracea L. f . ; Ait. Hort. Kew. 3: 477. 1789. 

 Veracruz ; introduced into cultivation in England as early as 1691. 



Trunk 30 to 60 cm. long or obsolete ; pinnae 20 to 26 ; pistillate cones 5 to 10 

 cm. long, yellow. 



2. Zamia spartea A. DC. in DC. Prodr. 16^ 539. 1864. 

 Type from Acayucan, Veracruz. Guatemala. 



Leaves about 30 cm. long, the petioles aculeolate; pinnae about 40, 25 to 30 

 cm. long, 4 to 5 mm. wdde. 



