Zamia. 136 



cylindricus, breviter pedunculatus. Peltae 



strobili $ transverse hexagonae Subsect. 2. Muricatae. 



a. Foliola oblique lanceolata, sensim acumi- 

 nata, ad apicem spinuloso-denticulata. 

 Peltae strobili <$ griseo-flavidae vel fusces- 

 centes. Peltae strobili 9 fuscescentes vel 



griseo-tomentellae 14. Z. muricata. 



ß. Foliola anguste lanceolato-acuminata, ad 

 apicem argute serrulata. Peltae strobili $ 

 griseo-fusco-tomentosae. Peltae strobili $ 



fusco-tomentosae 15. Z. Fischeri. 



c. Truncus hypogaeus vel humilis, cylindricus 

 vel tuberosus. Foliola nervis immersis striolata 

 margine revolutello. Strobilus <} cylindrico- 

 elongatus, pedunculo quam strobilus longiore 

 vel vix breviore. Peltae strobili <J transverse 

 latiores, quadrato-hexagonae. Microsporophylli 

 area fertilis tota microsporangiis obtecta, late 

 triangulari-cuneata, latior quam longa. Stro- 

 bilus $ cylindricus, pedunculo longior vel 

 aequilongus. Peltae strobili $ transverse hexa- 

 gonae medio subdepressae, latiores quam 



longiores. Subsect. 3. Loddigesianae. 



a. Foliola lineari-lanceolata vel obovato-ob- 

 longa, attenuata, ad apicem spinuloso- 

 serrulata. Peltae strobili <J fulvo-tomen- 



tosae. Peltae strobili § cinerascenti- vel -;, 



fusco-tomentellae. Macrosporangia carmin- ; 



acea 16. Z. Loddigesii. 



ß. Foliola apice pluridentata 17. Z. obidensis 



y. Foliola longe lineari-lanceolata, leviter cur- 

 vata, sensim acuminata, ad apicem spinu- 

 losa. Peltae strobili <J cinereo-tomentosae 18. Z. Lawsoniana. 

 ö. Foliola elongate lineari-lanceolata, sensim 



acuminata, a medio spinuloso-serrata . . 20. Z. Wielandii. 

 e. Foliola anguste lineari-lanceolata, subfal- 

 cata, sensim attenuata, apice mucronulata. 

 Peltae strobili <J badio-puberulae. Peltae 

 strobili $ badio-ferrugineae. Macrospo- 

 rangia coccinea 21. Z.bolwiana. 



Accedit 21a. Z. Lecointei. 



Truncus hypogaeus, pusillus vel humilis, cylin- 

 dricus vel tuberosus, simplex vel dichotomus. 

 Foliola nervis vix prominulis. Strobilus $ cylin- 

 dricus. Peltae strobili <J hexagonae vel quadran- 

 gulo-hexangulares. Strobilus § ovali-cylindricus 

 vel oblongus. Peltae strobili 5 hexagonae vel 

 subquadrangulares, in medio concavatae vel 



planae Sect. III. Caribaeae. 



a. Truncus subterraneus, betaeformis, humilis, , . 



dichotome ramosus. Foliola linearia, obtusius- 

 cula, margine crassiuscule revoluto. Strobilus 

 (J cylindricus. Peltae strobili <J hexagonae, ; i 



