Zamia. 141 



Shapaga (E. Ule in Herb. Berol.); Oberer Purus (nach J. Huber). — Kultiviert im 

 Bot. Gart, des Museums Parä. — Spruce sah eine Art in Uaupes (vgl. Notes of a 

 botanist on the Amazonas and Andes, ed. by A. R. Wallace I, 354). — Fig. 18 K\ 2QF. 

 Nota. Latitudo foliolorum valde variabilis est. 



Subsect. 2. Nervicostatae Schuster. 



8. Z. Skinneri Warszewicz in Otto und Dietr. Allg. Gartenz. XIX. (1851) 146 

 cum ic; Seem. Bot. Voy. Herald II. (1852 — 1857) 202, 252 ex parte excl. pl. Gorrientes; 

 Hook. Bot. Mag. LXXXVII. (1861 ) t. 5242 ; A. DG. in DG. Prodr. XVI. 2. (1868) 359 ; Flore 

 des Serres XXI. (1875) 1. 103. — Z.Forgetiana Hort. Glasnevin. — Aulacophyllum Skinneri 

 Regel in Gartenfl. (1876) 143. — Truncus cylindricus, apice paululum attenuatus, 

 1 m et ultra altus, lato-rhombeo-cicatrisatus vel subannulatus. Cataphylla e basi lata 

 triangulari-lanceolata. Petiolus cum rhachi teres, aculeolatus, glaber, viridi-olivaceus, 

 junior pubescens. Foliola utrinque 2 — 11, opposita vel alterna, oblongo-lanceolata vel 

 late ovata, angustiora vel latiora, utrinque sensim acuminata, basi insertione 3—6 mm 

 lata, a medio ad apicem spinuloso-dentata, nervis 15 — 33 pagina superiore immerso- 

 sulcatis, subtus valde costato-prominentibus simplicibus plerisque bifidis, iteratim 

 dichotomis, 1—3 mm distantibus, basi fere in duos fasciculos confluentibus, centralibus 

 ad apicem, lateralibus ad dentes tendentibus, 19 — 29 cm longa, 2,3 — 10,6 cm lata, 

 valde rigida, saturate viridia, lucida. Strobili ^3 — 4 aggregati, elongato-cylindrici 

 obtusuli vel acuti, 4 — 14 cm longi, 1,2 — 2,5 cm lati, castaneo-rubiginosi. Pedunculi in 

 Universum strobilis breviores, cataphylla non superantes, 1 — 6 cm longi. Microsporophylla 

 peltato-cuneata, sub pelta margine utroque fertilia. Peltae hexagonae, pyramidato- 

 truncatae, medio subconcavae, 2 — 5 mm latae, 1,5 — 6 mm altae, interdum ad 1 — 3 

 microsporangia utrinque reductae. Strobilus $ cylindricus apice conico-sterili termi- 

 natus, raro obtusus, 7 — 16 cm longus, 2,5— 4 cm latus, rubiginoso-tomentosus. Pedun- 

 culus brevis, 2 — 7 cm longus. Peltae hexagonae, ulteriores prismatico-productae 

 hexagonae, 4 — 7 mm altae, 7 — 12 mm latae. Pedicelli 1 — 1,5 cm longi, basi 3 — 4 mm 

 lati. Semina ovalia, 10 mm longa, 6 mm lata, flava. 



Panama: Veraguas (Warszewicz). — Costa Rica: bei Madre de Dios, 200 m, 

 Wälder des Tales am Rio Hondo (H. Pittier XI. 1896 n. 10353); San Garlos, Hoja 

 de fierro (Koschny II. 1901). — Guatemala (nach A. DG.). — Kultiviert Bot. 

 Gart. Berlin-Dahlem. - Fig. 2G; 6iV; 19F-L; 20L, T-U. 



9. Z. Chigua Seem. Bot. Voy. Herald II. (1854) 201 t. 43. — Z. Lindleyi 

 Warsz. in Otto et Dietr. Allg. Gartenz. XIX. (1851) 146 cum ic; Miq. Prodr. Cycad. 

 (1861) 24 quoad pl. Seem. — Z. Lindleyana Warsz. in H.Wendl. Ind. Palm. (1854) 53. 



— Z. princeps Hort. Bull. — Truncus cylindricus, 0,12 — 1 m altus. Petiolus crebre, 

 rhachis parce aculeis brevibus 2 mm longis munita, teres, initio tomentosa, demum 

 glabra. Rhachis in spinulam subulatam 1,8 mm longam terminans. Folia ad 1,2 m 

 longa. Foliola 7 — 66-juga, alterna, horizontaliter vel subhorizontaliter patentia, densa, 

 longe lanceolata, apicem versus sensim longe attenuato-acuminata, cuspide tenuissima 

 fragili caudata 1 — 3 cm longa, basin versus breviter et subito attenuata, insertione 

 3 — 5 mm lata, maxima 0,5 cm supra insertionem latitudine, 9— 19 cm longa, 10 — 

 16 mm lata, nervis 9—16 superne immersis, subtus plus minus pervalide costato- 

 prominentibus, integra, falcata, glabra, chartacea, saturate viridia. Strobilus (J 

 elongato-cylindricus, obtusulo-conicus, 13 — 20 cm longus, 3 cm latus, pedunculo 4 cm 

 longo. Microsporophylla peltato-cuneiformia, sub peltis secus margines fertilia, utroque 

 latere duae series microsporangiorum, singulae 4 loculis. Peltae breviter truncato- 



Jacquiniana Schuster. — O Z. Loddigesii Miq. var. latifolia Schuster. — P Z. floridana A. DG. 



— Q — T Ceratozamia mexicana Brongn. var. fuscoviridis (D. Moore) Schuster, variatio sporophyl- 

 lorum £. — U Ceratozamia Kuesteriana Regel. — V — W Ceratozamia mexicana Brongn. var. Mique- 

 liana (H. Wendl.) Schuster. — X Microcycas calocoma (Miq.) A. DG. — Y Dioon Purpusii Rose. 



