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Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.

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17<br />

Species Callitris, quibus Casuarina Sumatrana et qu•dam species<br />

Neo-Cambrica non dissimiles, eandem demonstrant concretionetn<br />

foliorum cum ramulis.<br />

Casuarina microstachya osteiidit internodia haud raro ad 3'"<br />

longa. Amentum masculum globoso-ovatum, saepe tantum 1¿'"<br />

longum, nunquam ultra 3'" metiens. Bracte• passim uncinato-<br />

acuminatae. Strobilus 7-stichus, vix maturus sernipollicaris, ovato-<br />

globosus. Bracte• ápice deltoideo-membranese. Bracteol• val-<br />

vares vix ápice emersas, evidenter obtusa;, dorso verruculari-areolatae.<br />

Planta jam altitudine spitham• crebre floret.<br />

Casuarina thuyioides occurrit prope Kalgan. Est frutex mo-<br />

noicus, 3-5' altus. Amentum masculinum 2-3'" tantum longum.<br />

Casuarina trichodon sistit ad flamen Fitzgeraldi et Caput Kicliei<br />

arborem 25-30' altam, aliis autem locis jam altitudine 6 pedum<br />

floret. Videtur dioica. Strobilus truncato-ovatis v. subglobosus,<br />

14-20-stichus, sesquipollicem longus. Bractearum acumen se-<br />

taceum, uncinatum. Bracteolae valvares breviter eniers•, brevis-<br />

sime cuspidulatas, intus ferrugineo-velutinellas ; dorso producto<br />

quasi bilaminat• ; lamina exterior interiori eonformis. Semen<br />

spadiceum, nitens, rhombeo-ovatum, 1|*" longum, vértice in alam<br />

2-2-^'" longam cuneato-ovatam muticam extensum.<br />

Casuarina equisetifolia crescit in varus locis orae borealis et<br />

tropico-orientalis Australia? et quidem in regionibus magis litoral-<br />

ibus quam montanis. Varietatem vidi tomentellam, ramulis rigi-<br />

dioribus strobilisque cano- v. fusco-tomentellis. Austrum versus<br />

saltern usque ad Curtis's Island occurrit secundum collectionem<br />

clarissimi Thozet nee non ad Moretón Bay, sec. Leichhardt. In-<br />

ternodia speciminum Ceramicorum a Teysmann allatorum passim<br />

semuncialia. Planta conspecifica ab amico Seemann in insulis<br />

Vitiensibus collecta ostendit strobilos depresso-globosos vix semi-<br />

pollicem altos. Arbor monoica. Valv• fructus fusco-cinerese.<br />

Semina pallida. Ala acutiuscula, núcleo parum longior. Varietas<br />

microcarpa, strobilis circiter semuncialibus obvenis prope montes<br />

Barrier Range (Beckler), ad flumina Hastings River et Genoa<br />

(F. M.), ad Glendon (Leiehh.). Hue sine dubio pertinet C. Cun-<br />

ninghami. Flores masculi comparatione adhuc egent.<br />

Casuarinam nodifloram nondum in Australia reperimus, nihilo-<br />

minus quserenda. Specimina Amboinica Teysmanni habent inter-<br />

nodia ad 3" longa, sed valde tenuia. Specimina ex insulis Fejen-<br />

sibus Seemanniana producunt fructus majores etramulos rigidiores.<br />

Totum semen |" longum ; ala elliptica, ter longior quam lata.<br />

Limites inter hanc speciem et C. Sumatranam et C. Webbianam<br />

mihi baud apparent clari.<br />

Casuarina torulosa nascitur in Australia orientali magis litorali<br />

a portu Jacksonii usque ad flumina Fitzroy's et Burnett's River.<br />

Arbor altkudinem saltern 25 pedum attingit, ut videtur dioica.<br />

Internodia ramulorum usque ad 4'" longa. Folia dentiformia<br />

VOL. VI. D

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