Cycaded.] CLXVI. CYCADACE^. 445 



Jrchiv. Neerland. n. t. 1, 2, 3. Slume, Bnmph. t. 176^ 176^ Griff. Ic. VI, Js. t 360 ad 362, 

 377, 378 (ubi, anno 1854, pollen in cavo apicali nuclei ovuli receptiim primum dopictum). J]oL 

 Mag,f. 2826,2827,2963,2964. Lemairc, III. Horiic. ISG4, t. iOo bi$. Fl. des Serres, t. 2liS, 2119. 

 Fl. Jardin. v. t. 129. Bhccde, Hort. Malah. iii. t. 13 ad 21 {Todda Panna). Rumph. Herb. Amhoiu. 

 t. 20 ad 2-4 {Arbor Cafappoides). 



Tribus II. Encephalarte.^. 



2. Bioon, Lindl. Bot Beg. 1843, Misc. 59 (Dion). (Platyzamia, Zi(cc. in. AbhmidL 

 Baijer. Ahad. iv. 23, «. 4.)— Fl. ^ \ Strobilus cylindraceus ; squaraa^ numerosre, imilti- 

 seriatim imbricatie, elongato-cimeatse, apice dilatato incurvo late triangiilari obtuso 

 lanuginoso, subtus loculis polliniferis sessilibus oblongis opertse. Fl. $ : Strobilus ovoideus ; 

 squamre imbricatse, subpeltatim stipitatre, stipite gracili; lamina magna, ovata, subacuta, 

 dense lanuginosa, deoi\sum breviter in aiiriculam semicircularem concavam producta, 

 basi utrinqne juxta stipitem geniculatim inflexa et ibidem uni-ovulifera. Ovula ovoidea, 

 proccssibus rotundatis baseos inflexi laminae inserta, subliorizontalia, axin strobili 

 spectantia. Semina magna.— Truncus brevis, primum ovoideus, demum crassus, cylindra- 

 ceus, prophyllis lanatis persistentibus dense obtectus. Folia sinnil verticillatim provenientia, 

 numerosa, erecto-patentia, breviter petiolata, elongato-lanceolata, rigida, plana, profunde 

 pinnatifida, juniora pilosa, segmentis angustis approximatis strictis planis pungenti- 

 acuminatis tenuiter striato-nervosis ecostatis interdiim dentatis, infimis in spinas 

 petiolum marginantes desinentibus, vernatione stricta. Strobili magni, subscssiles, basi 

 prophyllis lanceolatis lanuginosis stipati. 



Species 2, Mexicanie. A. DC. Prod. xvi. ii. 537- Begel in Act. Hurt, Peirop. iv. 296. Miq. 

 in Verkaudl. Ned. Insf. 1851, t. 3, 4. Lemahe. lU. Hort. ii. 91. Bot. Mag, t. 6184. 



3. Macrozamia, Uiq. Monogr. Cycad. 36, f . 4, 5 ; ct in Linna^a xvii. t. 2; xix. t 2, 3. 

 Fl. ^: Strobilus ovoideus oblongus v. cylindraceus ; squamfe multiseriatim imbricata^ 

 breves v. elongate, apice dilatato medio acutato v. in spinam incurvam v. erectam producto, 

 subtus locuHs polliniferis globosis breviter stipitatis onustse. Fl. 2 : Strobilus ovoideus 

 v. subglobosus ; squamie imbricatie, peltatro ; pelta crassa, lata, transverse oblonga, vertice 

 ascendente obtuso acuto v. in spinam ascendentem producto, basi utrinque 1-ovulifera. 

 Ovula sessilia, subglobosa, axin strobili spectantia. Semina ordinis, siepe magna.— 

 Truncus erectus, ovoideus v. cylindraceus, prophyllis basibusquepetiolorum persistentibus 

 obtectus. Folia pinnata, foliolis angustis integerrimis v. apices versus paucidentatis, 

 nervis longitudinalibus parallelis, basi stepe calloao-incrassatis, vernatione stricta imbri- 

 cativa. Strobili magni. 



Species ad 7, Australisc tropica et temperate incolte. BeniJi. FL Austral vi. 2o0. Genus In 



sectiones 2 cominode dividitur : — 



1. Eamacrocamia . Folia deincops evoluta. Prophylla demum fibroso-lacera. Truncus s?epius 

 ovoideus. Miq. Monogr. Cycad. t. 4, 5 c^ 6 {Enc(phalartos), et in LimKea xix. t. 2, 3. Heinccl in 

 Nov. Act. Nat. Cur. xxi. i. i'. 10 ad 13. Hoo^.f. Bof. Mag. t. 5943. Macrozamia, Rcgd in Act. Hort. 



Petrop. iv. 317. A. DC. Prod. xvi. ii. 534, cxcl. % 2. 



2. Lepidozamia. Folia simul evoluta. Prophylla nuiiquam fibroso-lacera. Truncus cylhidraoeus. 

 Lep'idozamia, Begel in Bull. Soc. Imp. Nat. Mosc. 1S71. i. 182, t. 4, / 20, 21 ; Garfcujl. 1857, t. 

 186,/. 23 et 31, 1870, t. 660; et in Act. H(»'t. Petrop. iv. 294. A. BC. Prod. xvi. ii. 547. Cataki- 

 DuzAJiiA, T. Hill in Gard. Chron. 1865, 1107. 



4. Encephalartos, Lel\m. PwjiU. vi. 0, t. 1 ad 5. (Arthrozamia, Beichenb. Compect. 

 40, nomcn tantxim ; Handb. Nat Pfl. Sysf. 69, ex Vriese in Ann. Sc. Nat ser. 2, x. 

 153,) __ Fl. (?: Strobilus oblongns ovoideus v. cylindraceus; squamro multiseriatim 

 imbricatce, lato- v. elongato-cuneatpe, crassre, sjepe rugosje, apice sterili angustato 

 prismatico-truncato plus minusvo decurvo, subtus loculis polliniferis ovoideis opertre. 

 Fl. $ : Strobilus crassus, ellipsoidcus v. oblongus ; squamiic numerosee, multiseriatim 

 imbricate, peltatce, stipite gracili, pelta reniformi cra.sso basi utriuque in sinu ovuli- 

 fero, vertice lato subtriangulari v. prismatico v. convexo lanuginoao. Ovula sessilia, 



