. CMrita.] ' 6ESNERIA.CE^. 259 



3. CHIBITA, Ham. 



Calyx B-lobed. Corolla tubular, the limb more or less 2-lipped. PertUe 

 stamens 2 ; anther-cells divaricate, cohering laterally. Upper stamens small 

 and ban-en. Stigma flattened and ■ emarginate or 2-lobed; the lobes side by 

 side in the same ,plane. Capsule linear. Seeds numerous, minute, without 

 appendages. — Herbs, with a short stock or a simple leafy stem. Leaves 

 opposite. Plowers solitaiy or umbellate, on axillary or radical peduncles. 



A small genus, limited to tropical Asia. 



1. C. sinensis, Idndt. Bot. Reg. 1844, t. S9. Stock short, thick, and 

 usually horizontal. -Leaves radical, those of each paii- equal, varying from 

 broadly ovate, almost cordate, and 3 to 3 in. long, to nan-ow-oblong 5-6 in. 

 long; naiTowed.at the ba,se into a petiole vai-ying also from 1 to 3 in.; all 

 more or less sprinkled or clothed with long hairs. Peduncles or scapes 6 to 

 10- in. high, hairy, bearing either 1, or more fr^qulently an umbel of 3 to 6, 

 elegant lilac flowers about .1^ in. long, on pedicels of | to 1 in., with a pair 

 of ovate or lanceolate bracts under the umbel. Calyx deeply 5-lobed, scarcely 

 2 lines long. Anthers glabrous. Pod pubescent, 2 to 3 in. long. 



Common in ravines. Champion and others. Not found as yet out of the island. 



Order LXXXI. ACANTHACE^. 



Flowers usually in-egular. Sepals 5, free or united, or the upper one rarely 

 wanting. CoroUa with a long or short tube ; the limb either 2-lipped or of 

 5 spreading lobes, imbricate or contorted in the bud, or expanded into a 

 .single lower lip. Stamens 3 or 4 in pairs, inserted in the tube. Anthers 

 3-ceIled, or 1-celled by the abortion of the other. Ovary superior, 2-celled, 

 with 3 or more ovules or rarely a single ovule in each cell. Style simple, 

 with an entire or 2-lobed stigma. Capsule usually opening elasticaUy in 3 

 loculicidal valves. Seeds usually flat, attached to placentary processes of the 

 dissepiment either in the shape of hooks called retinacula, or of minute 

 papiUse or cup-shaped dilatations. Albumen none. Embi-yo usually curved. 

 Herbs, shrubs, or rarely trees. Leaves opposite, entire or toothed, without 

 stipules. Elowers axillary or terminal, in spikes, racemes, or clusters, each 

 usually with 1 subtending bract and 3 bracteoles, which are sometimes 

 large and leafy, completely enclosing the calyx. 



A large Order, diffused over both the New and the Old World, chieily within the tropics, 

 a very few species occurring in more temperate regions either in the northern or the south- 

 ern hemisphere. 



Suborder 1. THUNBEKGiDEiE. —Corella-loies contoHed in the hud. Seeds inserted 

 OV' cup-shaped dilatations of the. placentas. 



Climber. Calyx small, concealed within 2 large bracts . . . . 1. Thunbeegia. 



Suborder 2. Ruellide.e.^— Coro^/a-fcto contorted in the hud. Seeds inserted on 

 hooked retinacula, (or on small papilla/) . 



Corolla 2-lipped, the upper lip notched, lower 3-lohed. Stamens 4 2. Htgkgphila. 

 Corolla-lobes 5, nearly equal, spreading. 



Ovules 6 or more in each cell. Style usually 2-lobed. Stamens 4 3. Euellia. 



Ovules 2 in each cell.. Style entire or with a minute tooth. 



Stamens 4 or 2 . . 4. Strobiiasthes. 



s 3 



