312 xci. onoBANcnACE.T. 



stout ; fiiitber-cells 1 ])erfect and 1 imperfect, which latter is spurred or 

 appendaged, rarely both perfect. Disk 0, Ovary 1-celled with 2 

 bipartite placentas, or 2-celled from the placentas meeting in the axis; 

 o\ ules many ; style long, incurved at the tip : stigma large, 2-lobed, the 

 upper lobe very small, the lower very large, orbicular or clavate. Cap- 

 sule ovoid or subglobose, loculicidal. Seeds very numerous, minute, 

 many perfect \^ith striate testa, others imperfect with lax testa ; embryo 

 half as long as the albumen. — Distrib. Tropical Asia ; species 10. 



Pedicels short, less than ^ in 1. C. Lawii. 



Pedicels long, sometimes exceeding 2 in 2, C. calcarata, 



1. Christisonia Lawii, Whjltf, Icon. (18-30) t. 1427. Stems 

 several, veiy stout, 1-3 in. high, thickened upwards, often slightly 

 curved, densely clothed with closely imbricate dark-brown scales which 

 become larger upwards. Flowers from the upper scales ; pedicels less 

 than I in. long ; bracteoles 0. Calyx i in. long, tubular, divided about 

 ^ the way down ; teeth 5, triangular, acute. Corolla minutely pubescent 

 on both sides, reaching 2 in. long, tubular, the tube dull white, the limb 

 bluish-purple outside, yellow inside ; limb sub-bilabiate, the 2 upper 

 lobes erect, the 3 lower horizontal, all subequal, rounded at the apex 

 and with slightly waved margins. Stamens didynamous, the lower pair 

 much shorter than the upper : filaments inserted below the middle of 

 the tube, clothed with minute short white hairs ; anthers pale, 2-celled, 

 one of the cells fertile, ovate, with a subulate apex and a pore, the other 

 cell sterile, subulate, shiiped like an inverted comma. Ovary 1-celled ; 

 style longer than the stamens, white, glabrous; stigma w^ith 2 rounded 

 lobes ; placentas 2, quite free though closely approaching {Ritchie). 

 Capsules not seen. Fl. B. I. v. 4, p. 322 ; Dalz. & Gibs. p. 202 ; Woodr. 

 in Journ. Bomb. Nat. v. 12 (1898) p. 175.— Flowers : July-Aug. 



KoNKAN : Salsette, Balzell ^ Gibson ; Tanna, Law ex Wight. Deccan : Purandhar, 

 Woodrow. S. M. Country : between R;iiiigliiit and Belgaum, Balzell S,- Gibson ; 

 Belgautn, Ritchie, 1930 !— Distkib. India (W. Peninsula). 



2. Christisonia calcarata, Wi(/ht, Icon. (1850) 1. 1426. Glabrous 



except tilt! corolhi ; stem usually simple ; scales broadly ovate, concave, 

 obtuse, not imbricating in the upper part of the stem, crowded below. 

 Flowers racemose; pedicels very long, sometimes exceeding 2 in.; 

 bracteoles 0. Calyx |-| in. long, tubular ; teeth i-i in. long, broadly 

 triangular, acute. Corolla I2-21 in. long, tubular, pubescent, the tube 

 white, the lobes of the limb pale-blue ; tube cylindric, slightly dilated 

 upwards ; limb obliquely 2-lipped, the upper lip with 2, the lower with 

 3 rounded lobes. Filaments pubescent ; anthers 2-celled, the lower cell 

 sterile, produced into a conical acute spur. Stigma 2-lobed. Capsules 

 i-| in. in diam., globose, crowned by the persistent calyx-teeth. Seeds 

 about -^ in. in diam., subglobose or ovoid, reticulate. Fl. B. I. v. 4, p. 322. 

 Christisonia StocksH, Hook. Icon. PI. v. 9, t. 836 ; Dalz. & Gibs. p. 202.— 

 Flowers : July-Aug. 



Sir Joseph Hooker suggests (Fl. B. I. 1. c.) that this plant may be a 

 more developed state of 0. Lawii. 



Konkan: Law], Dnkelll ; Tanna, Law ex W?i/h/ ; Salsette, on roots of a S/robi- 

 lanfhes, BahcU\ Sini> : on roots of a Slrohilanihcs, iStocks ex y/oy/iCr.^DiSTiuu. 

 India (W. Peninsula). 



