372 NATURAL HISTORY OF PLANTS. 



dilated below and there enclosing germen adnate within, higher pro- 

 duced to a long tubular neck and at apex dilated to a cupule bearing 

 at the margin the perianth and the stamens. Sepals 5, obtuse or 

 retuse, not aristate. Petals 5. Stamens oo , oo -seriate. Germen 

 inferior, 1-locular; ovules 2, ascending, inserted on placenta extend- 

 ing from base to apex of cell. Fruit dry, crowned with calyx, 

 indehiscent ; seed 1 ; cotyledons of straight exalbuminous embryo 

 minute. — Ericoid shrubs; alternate and sometimes opposite leaves, 

 •etc., of Galythrix.^ (Australia.^) 



45. Calythrix Labill.^ — Flowers (nearly of Lhotzhya) ; receptacle 

 long lageniform ; neck sometimes very narrow tubular, above cupu- 

 larly dilated and bearing perianth inserted on margin. Sepals* 5, 

 patent, scarious at margin and mucronate or oftener far produced to 

 a setiform arista. Petals 5, entire, deciduous. Stamens oo (often 

 25-30), 00 -seriate ; the interior shorter ; filaments inserted with 

 perianth, unequal f anthers short introrse, versatile. Germen inferior, 

 adnate within to receptacle, 1-locular ; placenta springing from dis- 

 sepiform bottom of germen and extending to its apex. Ovules 2, 

 subbasilar, collaterally erect anatropous ; micropyle introrsely "^ in- 

 ferior. Fruit often crowned with calyx and receptacle, dry, inde- 

 hiscent. Seed 1, erect; cotyledons of thick straight embryo very 

 short. — Ericoid shrubs or undershrubs ; leaves alternate, semiterete 

 or 3-4-quetrous, articulate at base and there sometimes furnished 

 with 2 minute linear caducous stipules ; flowers^ axillary or capi- 

 tately corymbose at summit of twigs ; floral leaves often changed to 

 bracts; bracteoles 2, lateral, persistent, subfoliaceous or often 

 scarious, imbricate.^ {Australia}^) 



1 From which genus it differs only in its ob- ^ The 5 smaller oftener altemipetalous. 

 tuse or retuse sepals and in nearly the same ^ Septum sometimes incomplete, 

 manner as Homorantho Barwinia. ' Opposite insertion of septum. 



2 Spec. 8. Arn. Hook. Journ. Bot. ii. t. 15. — ^ White, pink, or yellow. 

 LiNDL. Sw. Riv. App. 7 ; Mitch. Thr. Exped. ii. ^ A genus differing from Lhotzkya only in the 

 l1%{GenetyUis).—Tv'BiCz. Bull. Mosc. (1862) ii. form of the sepals. 

 324.— ScHAU. PL Preiss. i. 103.— F. Muell. 'o Spec, about 34. Lindl. Sw. Riv. App. 5, t 

 Trans. Phil. Soc. Vict. i. 16 ; Fragnn. i. 13, 224.— 3 B.— A. Rich. Toy. Astrol. Bot. t. 16.— Fieli 

 Benth. Fl. Austral, iii. 53.— Walp. Rep. ii. 157; et Gardn. Sert. PI. t. 38.— Schau. PL Preiss. i 

 V. 732. 104.— Meissn. Journ. Linn. Soc. i. 46.— TrBCZ 



» PL N.-HoU. ii. 8, t. 146 {Calytriz).— DC. Bull. Mosc. (1847) i. 164 ; (1849) ii. 20.— A 



Prodr. ii. 208 ; Mem. Myrt. 1. 1. — Spach, Suit, a Cunn. Bot. Mag. i. 3323.— F. Muell. Tra/?*. Jnft 



Buffon, iv. 107.— Schau. Myrt. Xeroc. (ex Nov. Vict. iii. 42 ; Fragm, i. 12, 146, 222 ; iv. 36, 177 



Act. Nat. Cur, xix.) 288, t. 6 B.— B. H. Gen. 699, vii. 40 ; viii. 182.— Bexth. FL Austral, iii. 3? 



n. 7. — Calycothrix Meissn. Gen. 107. — Endl. — Bot. Reg. t. 409.— Walp. Rep. ii. 157 ; v. 733 



Oen. n. 6275.— H. Bn. Payer Fam. Nat. 367. Afiti. ii. 616. 



* Petaloid. 



