424 XCIV. MYETAOE^E. 



sub-irregular from the unequal length of the stamens, axillary and solitary, or in a 

 spike, cyme, corymb or panicle, sometimes even capitate, naked or involucrate ; often 

 2-bracteolate, white, pink, purplish or yellow, never blue. CALYX superior or semi- 

 superior ; limb 4-5-multi-fid or -partite, persistent or deciduous, valvate in bud ; 

 sometimes entire, closed in bud and falling away like an operculum at the expansion 

 of the flower. PETALS inserted on a disk edging the calyx -throat, and usually 

 expanding into a plate or cushion which crowns the top of the ovary, equal in 

 number and alternate with the calyx-lobes, very rarely 0, aestivation imbricate or 

 convolute. STAMENS numerous, inserted with the petals, very rarely equal in number 

 and alternate, often double or treble, and then some without anthers, most often 

 indefinite, pluri-seriate, and then usually all fertile ; filaments filiform or linear, 

 free, or more or less monadelphous at the base, or united in bundles opposite to the 

 petals, rarely united into a cup which is abbreviated on one side, and on the other 

 prolonged into a concave petaloid blade which is bent down upon the style and 

 antheriferous within ; anthers small, rounded, introrse, of 2 contiguous or separated 

 cells, opening longitudinally or transversely. OVARY inferior or semi-inferior, covered 

 by a fleshy disk, sometimes free (Fremya), either 1-celled with numerous erect 

 anatropous ovules on a basilar placenta, or 2 - pluri-celled with numerous anatropoua 

 ovules inserted at the inner angle of the cells, or ovules rarely solitary and fixed to 

 the inner angle by their ventral surface ; style terminal or rarely lateral (in the 1- 

 celled ovary), simple, naked or barbed at the top ; stigma undivided. FRUIT 

 generally crowned by the calyx-limb, sometimes 1-celled and 1-seeded by arrest, 

 dry, indehiscent, or quite 2-valved at the top, sometimes 2-many-celled, and then 

 either a capsule opening at the top loculicidally or septicidally or by the removal 

 of the epigynous disk, or an indehiscent berry with many- (or by arrest 1-) seeded 

 cells. SEEDS straight, angular, cylindric or compressed, sometimes dimorphous in 

 each cell, some being turgid and fertile, the others linear and sterile (Eucalyptus, 

 Fabricia) ; testa crustaceous or membranous, winged or furnished with membranous 

 scales at the base [arrested ovules?] (Spermolepis). EMBRYO exalbuminous, straight 

 or curved or rolled spirally ; cotyledons usually short, obtuse, sometimes confluent 

 with one another and with the radicle, very rarely foliaceous ; radicle very often 

 thick, next the hilum. 



TRIBE I. CHAM^LAUGIE^E. 



Stamens often definite, some usually sterile. Ovary 1-celled, with One or 

 several basilar ovules. Fruit 1-seeded, indehiscent, or imperfectly 2-valved at the 

 top. Shrubs of Australia, often resembling Heaths, and especially Blaeria. Leaves 

 opposite, or rarely alternate, punctate ; stipules or rarely 2 (Calycothrix). 



PK1NCIPAL GENERA. 

 *Calycothrix. *Verticordia. "Chanuelaucium. Darwinia. Lhotskvn. Thfyptomeftfl. 



