Fall-lands, etc.] FLORA ANTARCTICA. 289 



XXII. LORANTHACE^E, Don. 



1. MYZODENDKON, Banks et Sol. 



Char. Gen. Dioicmn. Flores parvi, arnentaeei, spicati v. raceniosi. Fl. Masc. Perianthium 0. 

 Stamina 2-3, ad apicem pedicelli circa glandulam depressarn disposita ; antliera ovoidese, uniloculares, v. 

 septo incomplete) spurie biloculares, rima apicali deliiscentes. Fl. Fcem. Calycis tubus ovario adhaerens. Corol- 

 la nulla. Ovarium trigonum, angulis longitudinaliter bilaruellosis, rimis intus setam setasve plurhnas foven- 

 tibus, uniloculare, tri-ovulatum, disco angusto inconspicuo coronatum; stylus brevis, crassus, in rarnos 3 

 breves obtusos apice papdlosos fissus; ovula nuda, e apice coluninse libera? centralis subpendula; funiculus 

 brevissimus. Fructus submenibranaceus, setis 3 elongatis auctus, rarius nudus, monospermus. Semen ex 

 apice columnse parietibus locidi appressne pendulum ; testa nulla?; albumen subcarnosurn, teres v. sulcatum; 

 embryo kilo proximus, membrana tenui iudutus ; radieula supera, in discum dilatata v. capitata, exserta ; 

 cotyledones parvse, conferruminatee, intus cava?, plumulam diphyllam foventes. — Herbse v. potius sufirutices 

 Antarctica? et Chilenses pleraque more Visci ram is generis Fagi parasitica. Eami teretes, alterni, articu- 

 lati, ad nodes vaginati. Flores minimi. Fructus e maxima copia filorum plv/mosorum conspicui. 



Subgen. GymnopJiyton ; aphylluin, bractese squaina?formes, flores maseuli in axillis bractearum soli- 

 tarii, fceminei bini; stamina 2. 



1. Myzodendron punctulatum, Banks et Sol. ; aphyllum, ramis teretibus punctis prominulis apice 

 depressis obsitis, floribus masculis in amenta dispositis. (Tab. CII. CIV. et CVI.) M. punctulatum, 

 Banks et Sol. MSS. in Mus. Banks, cumicone. Misodendrum, DC. Coll. Mem. vol. vi. 1. 11 et 12, Prodr. 

 vol. iv. p. 286. Brown in Trans. Linn. Soc. vol. xix. p. 232. in note. Viscum flavescens, Commerson, MSS. 



Hab. Tierra del Fuego and Soutk Chili, as far North as Yaldivia ; abundant on various species of Fagus ; 

 Commerson, Banks and Solander and all future voyagers. 



Suffrutex raniosissirnus, bipedaks. Caulis kgnosus, basi dkatatus, crassitie digiti rninoris, cortice pakide 

 fusco. Rami ramulique e vagina brevi cupuleeformi orti, ultirni diametro peunse corvinse, omnes cortice flavo- 

 virescente siccitate aurantiaco tecti, tubercuks parvis apice depressis stomate instractis rugulosi. Infiorescentia ramos 

 terminales amentacea. Ametita alterna, suberecta, v. divaricata, cykndracea, superiora vacua. Squama seu bractea 

 dense irnbrieatae, late orbiculatae, concava?, marginibus scariosis. Flores maseuli soktarii, pediceUati ; pediceko gradatim 

 incrassato, enrvato, ^ lin. longo, glandulam depressam (rudimentum ovarii) antherasque 2 ad apicem gerente. 

 Anthera divaricatse, minima?, cekulosae, rima parva apicak sursum spectante dehiscentes, unkoculares, loculo intus 

 columna compressa erecta aucto. Pollen globosum, eckinulatum, stramineum. Fl. fosminei in squamis bini, col- 

 lateral.es, sessiles, vix \ kn. longi, anguste oblongi, trigoni. Achanium membranaeeum ; setis elongatis achsenio 

 longioribus phimosis, piks apice capitellatis. Semen aDguste elkptico-oblongiun, loculum fere implens, ex apice 

 columnse centralis compressa? pendulum ; funiculo brevissimo, basi ovuks 2 sterikbus suffulto. Albumen ut videtur 

 onmino nudum. Embryo membrana teiiui ex apice funiculi continua inclusus, extremitate superiore albuminis fere 

 innnersus ; parte radiculari dilatato, exserto ; cotyledonari tereti, cykndraceo, apice breviter fistuloso, iudiviso. 



As the genus Myzodendron is perhaps the most interesting, in a structural point of view, of any cokected 

 during the progress of the Antarctic Expedition, I shak offer some remarks upon the peculiarities of this and the 

 following species. 



The process, by which the germinating embryo attaches itself to, and derives sustenance from the Beeches 



3 a 



