POUR SERVIR A LA CONNAISSANCE DES CYCADÉES. 179 



tifolia MiQ., in Wis. en Nat. Tijdschr., I, p. 20k excL syn. — 

 Z. Yatesii hort. van houtt., excl. synon. 

 Crescit in Cuba^ pr'obabiliter et in insulis finitimis. 



22. Z. ANGusTissiMA MiQ. — Proclr.^ Le. — Z. linearifolia et 

 linifolm hort. — An hue Z. angustifolia griseb,, /. c, excl. syn. 

 Jacq. ? 



Creseit in Cuba. 



Species dubia : 



Zamia montana linden Cat. mihi incognita, probabiliter inler 

 synonyma reeipienda. 



CERATOZAMIA AD. BRONGN. 



i. C. KiisTERiANA REGEL. — MiQ., Prodr., p. 11 ct 23. 



Speeics perquam distincla, petiolis inermibus et foliolis angus- 

 tis a eongeneribus recedens. Petiolus cum rhachi olivaceo-fusces- 

 cens, obtuso-semicylindricus, antice ima basi convexus, rhaehis 

 utrinque convexa sed dorso convexior et crassior ; foliola iitrin- 

 que lik, pleraque subœquilonga, infima reliquis paullo breviora, 

 SLiprema abbreviata, majora 10 — 11 poil, longa, supra basin 

 paullo eonstrictam ~ poil, lata, sursum regulariter angustata, 

 ssepe leviter deorsum falcata, subtus pallidiora, nervis 10 ■— 12- 

 striulata. 



Creseit in Mexico^ a karwinsky in hortum Petropolitanum in- 

 troducta. 



2. C. MEXICANA AD. BRONGN. MIQ., pTodr., l. C. C. loUgi- 



folia, robusta, latifolia, brevifrons, intermedia ivhq., l. c, polius 

 formœ sunt quam species. 



Junior profert folia brevia foliolis paucis lalis, increscente setate 

 longiora pluri et multijugata, foliolis elongatis angustioribus, ha- 

 bitumque tali modo eontinuo variantem prse se fert. Coni speci- 

 minum adultiorum majores esse soient quam juniorum, alioquin 

 eamdem omnino fabricam monstrantes. Hinc speeies antea consti- 



