362 ACANTHACE^. \StrobilantheB. 



or the upper one nearly 1 in. Corolla 2 in. long; the tube cuited and dilated 

 at the top. Stamens 4 ; the filaments .shortly united. Style entire.^ Cap- 

 sule about as long as the calyx. — Bipteracanthus ? cah/dnus, Champ, in Kew 

 Journ. Bot. v. 133. 



On Mount Parker, Champion ; also Earland. Not known out of the island. 



2. S. radicans, T. Anders. MSS. Stems prostrate or creeping at the 

 base (6 in. long in our specimens), nearly glabrous. Leaves ovate, obtuse, 

 crenate, about 1 in. long, slightly hairy or pubescent. Flowers in axUlary or 

 terminal heads, surrounded by herbaceous bracts. Bracteoles and sepals 

 linear, pubescent, 3 or 4 lines long. CoroEa about f line long, the lobes 

 ciliate, the throat with 3 hairy lines. Stamens 4. Style with a small tooth 

 below the subulate summit. — Ruellia tetrasperma. Champ, in Kew Journ. 

 Bot. iv. 132. 



Victoria Peak, Champion,. Not seen in any other collection. 



3. S. apricuSj T. Anders. MSS. A hard undershrub about 1 foot high, 

 with difi'use or spreading pubescent branches. Leaves ovate-elliptical, acu- 

 minate, 1|- to 8 in. long, stiff and veiy rough, with short hairs above, white 

 with appressed hairs underneath ; the veins veiy prominent. Flowers Ulac, 

 in dense axillary almost sessile heads, with imbricate lanceolate-acuminate 

 bracts, 6 to 9 lines long. Sepals shorter and nan-ower. CoroUa nearly IJ 

 in. long. Stamens 2, usually with rudiments of the 2 upper ones. Capsule 

 about ^ in. long, — Gutzlajffia aprica, Hancein Kew Journ. Bot. i. 143. Phle- 

 hophylMm apficum, Benth. in Kew Journ. Bot. v. 131. 



, Hongkong, Hance ; towards Tytam and Little Hongkong, Champion ; on hills of the 

 south side of the island, Wilford. Not known out of the island, but nearly allied to the 

 S. Kunthianus, T. Anders. {Phleboph/Uum, Nees), from the Indian Peninsula. 



5. BABIiEBIA, Linn. 



Sepals 4 ; the 2 outer larger than the others, CoroUa tubular at the base; 

 lobes 5, nearly equal and spreading, imbricate (not contorted) in the bud. Sta- 

 mens 4, or the upper pair' sometimes abortive. Anther-cells linear, parallel, 

 and equal. Ovules 2 in each cell of the ovary. Style entire, with a truncate 

 stigma. Capsule acuminate. Seeds inserted near the base. Eetinacuk 

 hooked.— Herbs or shrubs. Flowers axillary, or in terminal spikes or heads ; 

 the bracts and bracteoles usually herbaceous or pungent. 



A considerable tropical genus, both in the New and the Old World. 



1. B. cristata, Linn.; Nees in DC. Prod. xi. 229; Bot. Mag. t. 1615^. 

 A large branching shrub; more or less pubescent. Leaves from ovate-lanceo- 

 late to oblong-acuminate, 2 to 4 in. long, entire, on petioles usually shorU 

 Flowers either solitary in the axils of the leaves, or in short heads or spikes 

 of 4 to 6. Bracts linear, almost pungent. Outer sepals ovate-lanceolate, 

 6 to 8 lines long, almost pungent and stiffly ciliate. Corolla lilac, pm-ple, 

 OT white, H in. long or more. Capsule about | in. — B. dickotoma, Eoxb. ; 

 Nees, 1. c. 227, and other synonyms adduced by Anderson in Thwaites's 

 Enum. PI. Ceyl. 230. 



Hongkong, Hinds. Indigenous in northern India; but so much cultivated in tropical 

 Asiatic gai-dens, that its precise native range is not satisfactorily ascertained. 



