833 XXX. AEOIDB^. 



Section III. Called. — Spathe coloured, persistent {Galla), or deciduous 

 {Monstera, Scindapsus). Flowers aclilamydeous. Spadix sometimes ? below, some- 

 times 9 below and g above {Monstera, Scindapsus) ; filaments flat ; anthers 2-celled, 

 opening longitudinally. Ovaries 1-few-celled ; stigma sessile or sub-sessile ; ovules 

 erect, anatropous {Galla, Monstera), or campylotropous {Scmdapsus). Seed sometimes 

 exalbuminous {Scindapsus). — Terrestrial herbs, sometimes aquatic (Galla). Stem 

 elongate, often stoloniform, branched or climbing, and more or less furnished with 

 adventitious roots. Leaves sub-distichous, blade entire or perforated [Monstera, &c.) . 

 Sfcipularj sheaths adnate to the petiole, or free and opposite to the leaves, 



PRINCIPAL GENERA. 

 * Caila. * Monstera. * Scindapsus. * Tornelia. 



Tribe II. ABAGEM. 



Flowers diclinous, achlamydeous, the 9 on the lower, the i on the upper part 

 of the spadix. 



Section IV. Anapoee^. — Spadix free (Aglaonema, Bichardia), or adnate to the 

 spathe {Spathicarpa, Dieffenhachia, &c.), rarely terminated by a sterile appendage 

 [Pinellia). Flowers ? and S contiguous, the 9 usually mingled with staminodes. 

 Anthers free or coherent, sunk in a thick connective, opening by pores. Ovaries 

 1-3- celled ; style short or ; ovules solitary or numerous, erect or ascending, rarely 

 pendulous [Bichardia), orthotropous, or rarely anabM^^ [Bichardia, Aglaonema). — • 

 Herbs with kaotted rhizome, stemless or caulesc^^^Wetiolar sheaths elongated, 

 the stipulary 0. 



PRINCIPAL GENEE«\.. 

 * Richardia. * Pinellia. Spathicarpa. * Aglaonema. * Dieffenbachia. 



Section V. Colocasie^. — Spadix free, terminated by a naked and sterile 

 appendage [Golocasia, Peltandra, &c.), or with no appendage [Galadium, Xanthosoma, 

 Acontias, Syngonium, Philodendron, &c.). Flowers $ and $, numerous, usually 

 separated by rudimentary organs. Anthers free or coherent, cells sunk in a thick 

 and peltate connective. Ovaries numerous, free, 1-many-celled, several-ovuled ; 

 style short or ; ovules orthotropous or semi-anatropous. Seeds albuminous. — 

 Herbs with tuberous rhizome, stemless or caulescent, sometimes climbing. Leaf- 

 blade pelti-palmi-nerved. Petiolar sheaths long or short, the stipular 0, or elon- 

 gated and opposite to the leaves. Spathes usually sweet-scented. 



Section VI. DRACtrNCULiNE^. — Spadix free, or rarely adnate to the base of 

 the spathe, moncBcious, or very rarely dioecious [Ariswma), terminated by a naked 

 clavate appendage [Arum), or flagellate [Ariswma), or globose and irregular [Amor- 



