80 J- Schuster. — Gycadaceae. 



Macrosporophylla dicarpa, longiuscula, in laminam rhombeo-lanceolatam sensim longe 

 acuminatam sursum breviter paucidentatam quater quinquiesve longiorem quam 

 latam utrinque glabram terminata. Semina pruinosa glabra, ovalia vel ovato-globosa, 

 2,6—4 cm longa, 2 — 2,7 cm lata. Putamen lignosum pallide badium, nitens, basi piri- 

 forme, apice biangulatum angulis leviter prominulis. 



Queensland: Oberlauf des Robinson und Percy River (W. E. Armitt 1876 in 

 Herb. Sidney). — Nord- Queensland: Ramsay in Herb. Melbourne. 



Sect. II. Indo-sinenses Schuster. 



a. Foliola lineari-lanceolata. Microsporophylla acumine sub- 

 ulato vel evanescente. Macrosporophyllorum pars sterilis 

 rhombeo-ovata, pectinato-pinnatifida. Macrosporangium 

 globosum 6. C. siamensis. 



ß. Foliola dichotoma. Microsporophylla brevissime acuminata 

 vel rotundata. Macrosporophyllorum lamina sterilis obovato- 

 rhombea, pectinato-lacera 7. C. Micholitzii. 



6. C. siamensis Miq. emend. Schuster. — C. siamensis Miq. in Bot. Zeit. XXI. 

 (1863) 334; Regel in 111. Hortic. XXVIII. (1881) t. 433; Regel in Act. Hort. Petrop. 

 IV. (1876) 282; A. DC. in Prodr. XVI. 2. (1868) 528. - C. immersaW. G. Graib in Kew 

 Bull. (1912) 434. — C. intermedia hört, in B. S. Williams, Gen. PI. Gatal. (1878) 42. — 

 C. aurea Hort. Verschaffelt. — Truncus basi in discum tuberosum latum dilatatus, 

 deinde subito contractus, cylindricus vel ovoideo-cylindricus, saepe humilis, 0,30 — 1,80 m 

 altus, 10 — 60 cm diam., vestigiis foliorum annularibus munitus, cortice in plantis 

 vetustioribus saepe rimoso. Petiolus praeter partem inferiorem spinosus, antice tri- 

 sulcatus, dorso applanatus, cum rhachi luteolus. Spinulae remotae, recurvae, diametro 

 petioli pluries breviores. Folia 0,60 — 1,20 m longa, novella hirto-pubescentia. Foliola 

 utrinque circiter 40 — 100 et ultra, infima et suprema abbreviata, omnia decurrenti- 

 inserta, lineari-lanceolata, apice subito spinulose mucronato-acuta, pungentia, basi leviter 

 attenuata, plana margine incurvo, pagina superiore nitidula vel glaucescentia, plus 

 minus rigida, subtus pallidiora, juvenilia furfuracea, nervo mediano superne sub- 

 canaliculato, infra prominente, subdensa, horizontaliter patentia, in cultis saepius 

 distantiora, inferiora subito in spinulas transmutata, 4 — 20 cm longa, 5 — 7 mm lata. 

 Strobilus <£ ovali-oblongus, ad 30 cm longus, 6— 8 cm latus. Microsporophylla 

 sphenoidea, 20 — 30 cm longa, 18 — 22 mm lata, basi angusta 5 mm lata, subtus nitido- 

 lutescentia, area sterilis 6 mm alta subrhomboidea, utrinque acuminulato-dilatata, 

 fulvo-tomentosa, acumine sursum reflexo 10 — 14 mm longo subulato fragili. Macro- 

 sporophylla pedunculato-spathulato-obovoidea, lobis laminae exceptis ochraceo- 

 tomentosa, 1 — 3-ovulata, lamina terminalis sterilis late rhombeo-ovata, reliquam 

 longitudine aequans, usque ad 2,5 cm lata, pectinato-pinnatifida, acuminata vel acuta, 

 dentes marginales densi erecti, usque ad 2 cm longi. Semina glaberrima, macrosporo- 

 phylli foveolis marginalibus semi-immersa, aurantiaca, globosa, 2,5 — 3 cm diametro. 

 Putamen ligneum globosum, haud angulatum ochraceo-hitidum. 



Siam: Häufig in trockenen Wäldern; Pulocondor (L. Pierre IX. 1877 n. 1722 

 in Herb. Leiden) ; Distr. Burma, Ebene hinter Ban-Meh-Wang, circ. 300 m, Cycas- 

 Dipterocarp us- Savannenwald, häufig (G. G. Hosseus 21. I. 05, n. 361); bei Kan- 

 Boeri (Teysmann in Herb. Leiden); zwischen Lakon und Phre, bei Pang Pooey, im 

 blattabwerfenden Dschungel, 420 m (Kerr n. 999). — China: Morse n. 273 in Herb. 

 Kew. — Einheimischer Name in Siam: Prong; Lao-Name: Mä Prou Tou; 

 in Indien (cult.): Möndaing. — Fig. 2B; WC—E. 



Subspec. 1. inermis (Lour.) Schuster. — C. inermis Loureiro, Fl. Cochi.nch. II. 

 (1790) 632; Miq. Analect. Bot. Ind. II. (1851) 40; Miq. in Verh. Akad. Amsterdam 

 IV. (1851) t. 3, 4; Miq. in Tijdschr. Wis. en nat. I. (1849) 103; Blume in Rumphia 



