MYRTACEJE. 373 



46. Thryptomene Endl.' — Flowers 5-merous ; receptacle short, 

 cylindrical, turbinate or hemispherical. Sepals 5, entire, patent, 

 persistent (petaloid). Petals 5, connivent, persistent. Stamens 6-10, 

 alternipetalous ; ^ filaments short inflexed; anthers introrse, some- 

 times crowned with globular apiculate connective ; cells distinct, at 

 apex poricid or shortly rimose. Germen inferior, adnate within to 

 receptacle ; ovules in cell 2, ascending (of Oalythrix) or more rarely 

 4-10, inserted on a more or less elongate dissepimentiform parietal 

 placenta ; style slender simple, at apex capitate stigmatose. Pruit 

 dry, 1-2-spermous, indehiscent or spuriously 3-coccous. Seeds glo- 

 bose or hemispherical ; radicle of exalbuminous embryo very thick ; 

 cotyledons minute inflexed to apex of slender neck. — Ericoid glabrous 

 shrubs ; ^ leaves opposite entire, small or minute, thick pellucid- 

 punctate; flowers axillary, solitary or more rarely few cymose; 

 pedicels articulate under flower ; braeteoles 2 lateral, partly scarous, 

 deciduous, {Australia}) 



47 ? Homalocalyx F. Muell.^ — Flowers nearly of Thryptomene ; 

 6-merous ; perianth caducous. Stamens oo (8-20) ; anthers versa- 

 tile. Germen inferior; ovules 2, inserted on eccentric subbasilar 

 placenta. Fruit . . . ? Other characters'of Thryptomene^ (or Lhotzkya). 

 — Ericoid glabrous shrubs; leaves alternate or rarely opposite, 

 closely packed entire (sr^U) ; flowers axillary solitary subsessile ; 

 braeteoles 2 lateral, broad marginally or entirely scarious, generally 

 persistent. (Warm Australia.'') 



48? Micromyrtus Bbnth.^— Flowers nearly of Thryptomene; 

 sepals 5, persistent (sometimes 0). Petals 5, small, patent, deciduous, 

 more rarely persistent. Stamens 5, oppositipetalous, or 10 ; anthers 

 small, 2 -rimose. Germen 1-locular ; ovules 2-4, descending from 

 apex of filiform placenta extending from bottom to top of cell, colla- 

 teral. Fruit, seed, embryo, etc., of Thryptomene.^ — Ericoid shrubs ; 



' Ann. Wien. Mus. ii. 192 ; Nov. Stirp. Mus. i. 156; (1862) U. 324.— F. Muell. Fragm. i. 11 v 



rindod. Dec. 72 ; Gen. n. 6277.— Sohau. Myrt. iv. 63, 169.— Walp. Sep. t. 732, Arm. i. 306 ; 



Xeroe. t. 6 A.— B. H. Gen. 700, n. W.—Pary- iv. 822. 



phcmtha, Schau. Imncea, xtu. 236. — Astrcea ^ SooJc. Kew Journ. ix. 309.— B. H. Gen. 699, 



SoHAU. loc. eit. 238 (not Kl.) — Eremopyxis H. n. 9. 



Bn. Admsonia, ii. 328. " Of -which perhaps only a section and to 



' 1 or 2 stamens hefore each sepaL which it has been more recently referred (F. 



' Habit of Beeckea or Leptospermvm.' Muell. Fragm. iv. 63, 77). 



* Speo.l7. SoHAU. PI. Preiss. i. 102.— A. Conn. ? Spec. 2. Benth. Fl. Austral, iii. 56. 



Boi. Uaq. t. 3160 (^scfea).— DC. Mim. Myrt. t. ' Gen. 700, u. 11. 



U (5<EC/i:isa).— Hook. r. Hooli. Kew Journ. v. 299, ' Of which perhaps a section (?). 

 t. 8; Fl, Tasm. i. 128*— TvBcz. Bull. Mosc. (1847) 



