XCV. PEDALIACEiE. 339 



the former of which is the more common and yields a superior oil. For 

 a full description, consult Watt, Diet. Econ. Prod. v. 6, part 2, pp. 502- 

 541 ; Fl. B. 1. V. 4, p. 387 ; Dalz. & Gibs. p. 161 ; Trim. Fl. Ceyl. v. 3, 

 p. 285 ; Woodr. in Journ. Bomb. Nat. v. 12 (1899) p. 354. Sesamum 

 or lent ale, Jjinn. Sp. PI. (1753) p. 634; Grah. Cat. p. 126. — Flowers: 

 Aug.-iSept. 



The following, which do not belong to any of the foregoing genera, 

 are grown as ornamental plants : — 



Marty nia diandra, Glox. Obs. Bot. (1785) p. 14, t. 1. A native of 

 Mexico, becoming naturalized and springing up on rubbish-heaps and in 

 waste places. Leaves large, opposite, cordate, sinnately lobed and 

 minutely dentate, often covered with a glutinous dew-like substance. 

 Flowers diandrous, handsome, ill-smelling, rose-colored, in racemes. 

 The curious beetle-shaped hard and woody fruit with 2 sharp anterior 

 hooks is often an object of curiosity. Grah. Cat. p. 127 ; Dalz. & 

 Gibs. Suppl. p. 58; Woodr. Gard. in Ind. ed. 5, p. 413. — Veen. VicJiu- 

 acha-jhar. 



Ceratotheca triloba, E. Mey. ex Berah. in Linnsea, v. 16 (1842) p. 29. 

 A showy annual from Natal, attaining 3 ft. in height, introduced into 

 the Bombay Presidency in 1888. The flowers are of varying tints of 

 purple or lilac. The capsnles are 2-horned. The plant grows readily 

 in the Deccan without any special care and may be seen in the Euipress 

 Garden at Poona. Woodr. Gard. in Ind. ed. 5, p. 414. 



Oedek XCVI. ACANTHACE-a). 



Herbs or shrubs, rarely trees. Leaves opposite, usually entire 

 stipules 0. Flowers hermaphrodite, usually irregular, in cymes, racemes, 

 or spikes (rarely solitary) ; bracts large or small, sometimes 0; bracteoles 

 usually 2, sometimes more under the individual flowers, free or connate 

 into an epicalyx. Calyx 5 (rarely 4) -partite (in Thimhergia small, often 

 multifid). Corolla 2-lipped or subequally 5-lobed ; lobes imbricate or 

 twisted in bud. Stamens 4 or 2, inserted on the corolla-tube ; antiiers 

 2- or 1-celled, the cells sometimes remote. Disk often conspicuous. 

 Ovary superior, 2-celled ; ovules 1 or more in each cell, 1- or 2-seriate, 

 anatropous; style simple, filiform, or thickened below; stigma usually 

 2-lobed, the lobes sometimes unequal. Fruit a loculicidal capsule, the 

 valves often elastic-ally recurved, the septum splitting, the seeds borne 

 on each half. Seeds usually hard, attached (except in a few genera) to 

 recurved subacute supports (retinacida), ovoid or compressed, smooth or 

 rugose, rarely hispid; albumen or (rarely) scanty. — Distrib. Tropical 

 and warm temperate regions : genera 140; species about 20u0. 



Climbers ; seeds not supported on hard retinaciila. 



Calyx minute, annular or 10-15-toothed ; pollen globose, 



obscurely banded, smooth or very minutely tuberculate... 1. Tmunbergia. 



Calyx 5-lobed (often obscurely) ; polleu cog-wheel-shaped... 2. Meyknia. 

 Erect or prostrate (not climbing) herbs or shrubs. 



Seeds not supported on hard retinacula. 



