Class IV. TETRANDRIA. 79 
the anthers bursting lengthwise after flowering with a recurved callus at the end. Stigmas 2. Caps, with the 
valves inflexed at the edge, inserted in a central placenta, which finally becomes loose. 
282. Frazera. Cal. deeply 4-parted, spreading. Cor. much larger than the calyx, very deeply 4-parted, 
spreading, the segments oval, bearded with a gland in the middle. Stamens shorter than corolla, with anthers 
1- divided at the base. Stigmas 2, thick, glandular. Caps, oval, much compressed, 1-celled, 2-valved at the edge. 
Seeds 8-12, elliptical, with a membranous edge. 
283. Pencea. Cal. 2-leaved deciduous. Cor. campanulate. Style quadrangular. Stigma 4-lobed. Caps. 
4-cornered, 4-valved, 8-seeded. 
284. Blceria. Calyx 4-parted. Corolla 4-cleft, somewhat campanulate. Seeds inserted into a receptacle. 
Caps. 4-celled, many-seeded, opening at the angles. 
6. Flowers monopetalous, 2 or many-seeded, superior. 
285. Chomelia. Cal. 4-parted, tubular, with unequal segments. Cor. hypocrateriform, 4-parted. Drupe 
oval, inferior, with a 2-celled, 2-seeded nut. Stigmas 2, thickish. 
286. Adina. Cal. 4-5-cleft, with an occasional toothlet between the divisions. Corolla infundibular. Fila- 
ments inserted into the mouth of corolla. Stigma turbinate. Seeds 2-3 in each cell. Flowers in heads. 
287. Bouvardia. Cal. 4-leaved, with some teeth between. Corolla tubular. Anthers included. Caps. 
2- partible, many-seeded. Seeds edged. 
288. Ixora. Cal. 4-parted. Cor. monopetalous, funnel-shaped, long. Stamens above the throat. Berry 
4-seeded. 
289. Catesbcea. Cal. 4-toothed, very small. Cor. funnel-shaped, very long. Stamens within the throat. 
Stigma simple. Berry 2-celled, many-seeded. 
290. Pavetta. Cal. 4-toothed. Cor. monopetalous, funnel-form. Stigma thickened, incurved. Berry 
1- 2-seeded, 1-celled. 
291. Ernodea. Cal. 4-parted. Cor. hypocrateriform. Style simple. Berry 2-celled. Seeds 2, solitary. 
292. Siderodendrum. Cal. small, 4-toothed. Cor. hypocrateriform, 4-cleft, with an incurved tube. Stig- 
mas 2, revolute. Berry 2-coccous, 2-celled, dry, with a contrary dissepiment. Seeds 2, solitary. 
293. Coccocypsilum. Cal. 4-parted. Cor. funnel-shaped. Berry inflated, 2-celled, many-seeded. Style half 
2- cleft. 
294. Mitchella. Cal. 2, on one ovary, 4-parted. Cor. funnel-shaped, hairy within. Stigmas 4. Berry 
bifid, 4-seeded. 
295. Olderdandia. Cal. 5-toothed, persistent. Cor. of 5 petals inserted into the calyx. 
296. Manettia. Cal. 8-leaved. Cor. quadrifi4, tubular. Caps. 2-valved, 1-celled. Seeds imbricated, orbi- 
culate, with a central point. 
7. Flowers polypetalous, inferior. 
297. Epimedium. Cal. 4-leaved, caducous, opposite the petals. Nectaries 4, cup-shaped, incumbent upon 
the petals. Pod 1-celled, 2-valved, many-seeded. 
298. Ptelea. Cal. 4-parted. Pet. coriaceous. Stigmas 2. Samara roundish with a 1-seeded centre, or 
2-celled, 2-seeded. 
299. Monetia. Cal. 4-cleft, urceolate. Pet. 4, revolute, linear. Berry 2-celled, with 2-seeded cells, one of 
which is usually abortive. 
300. Curtisia. Cal. 4-parted. Petals 4, obtuse. Drupe roundish succulent. Nut 4-5-celled. 
301. Hartogia. Cal. 4-5-cleft. Petals 4, spreading. Drupe not juicy, ovate. Nut rather fleshy, 2-seeded. 
302. Ammannia. Cal. 1-leaved, campanulate, plaited, 8-toothed. Pet. 4, inserted in the calyx, or very 
often none. Caps. 2-4-celled, many-seeded. 
303. Fagara. Cal. 4-5-cleft. Corolla of 4-5 petals, which are shorter than the stamens. Cal. 2-valved, 
1^2-celled, 1-seeded, simple or compound. Stam. 4-5-8. 
304. Zieria. Cal. 4-cleft. Cor. of 4 petals. Stam. 4, smooth, with filaments inserted into a gland. Style 
simple. Stigma 4-lobed. Caps. 4, connivent. Seeds with an arillus. 
8. Flowers polypetalous, superior. 
SC5. Cissus. Cal. 1-leaved, nearly entire. Berry 1-seeded, rarely 3-4-seeded, surrounded by the calyx. 
306. Cornus. Involucre 4-leaved in some. Cal. 4-toothed. Pet. 4. Drupe with a 2-celled nut. 
307. Santalum. Cal. ^-superior, campanulate, 4-cleft. Pet. 4, squamiform. Berry 1-seeded. Embryo in- 
verse, albuminous. 
308. Trapa. Cal. 4-parted. Nut with 2 opposite spines proceeding from the leaves of the calyx, 1-celled, 
1-seeded. 
309. Ludwigia. Cal. 4-parted, superior, with long persistent sepals. Cor. 4-petals or O. Caps, 4-cornered, 
4-celled, crowned, inferior, many-seeded. 
Order 2. DIGYNIA. 4 Stamens. 2 Styles. 
310. Cuscuta. Cor. 4-fid, ovate. Cal. 4-fid. Caps. 2-celled, cut round. 
3U. Bufonia. Cal. 4-leaved. Pet. 4, shorter than calyx. Caps. 1-celled, 2-valved, 2-seeded. 
312. Hamamelis. Involucr. 3-leaved. Sepals 4. Petals 4, linear, very long. Nut 2-horned, 2-celled. 
S13. Hypecoum. Cal. 2-4-leaved. Pet. 4, the two exterior widest. Fruit a silique. 
Order 3. TETRAGYNIA. ^JMIf 4 Stamens. 4 Styles. 
314. Myginda. Cal. 4-toothed, very small, persistent. Pet. 4, rounded, flat, spreading. Stamens shorter than 
corolla. Style short. Stigmas 2-4. Drupe globose, 1-celled, with a 1-seeded nut. 
315. Ilex. Cal. 4-.5-toothed. Cal. rotate, 4-cleft. Style O. Berry 4-seeded. 
316. Coldenia. Cor. 1-petalous. Cal. 4-leaved. Seeds 2, 2-celled. 
317. Potamogeton. Sepals 4. Pet. O. Style O. Seeds 4, sessile. 
318. Ruppia. Cal. and Cor. O. Seeds 4-stalked. 
319. Sagina. Sepals 4. Pet. 4. Caps. 4-celled, 4-valved, many-seeded. 
320. Tillcea. Cal. 3-5-parted. Pet. 3-5, equal. Caps. 3-5, 2 or many-seeded, opening inwards Nectary 
none. ' 
321. Radiola. Cal. many-cut. Pet. 4. Caps, superior, 4-8-valved, 8-celled, globose. Seeds solitarj'. 
