OF THE GENERA. 



ORDER III. TRYGYNIA. 3 Pistils. 



* Flowers superior. 



VIBURNUM. Calyx with the limb small, 5-toothed and persistent. Co- 

 rolla rotate, subcampanulate or tubular, 5-lobed. Berry ovate or globose, 

 1-seeded, crowned by the teeth of the calyx. Caprifoliacea, p. 144. 



SAMBUCUS. Calyx with the limb small and 5-cleft. Corolla rotate or 

 urceolate, 5-lobed ; lobes obtuse. Berry roundish, pulpy, 1-celled, 3 5- 

 seeded. Caprifoliacece, p. 144. 



** Flowers inferior. 



RHUS. Calyx small, 5-parted, persistent. Petals 5, ovate, spreading. 

 Drupe nearly dry, with one bony seed. Anacardiaceee, p. 71. 



STAPHYLEA. Sepals 5, oblong, erect, colored. Petals 5, imbricate. 

 Fruit a membranaceous inflated 2 3-celled capsule. Staphykacetz, p. 69. 



ORDER IV. TETRAGYNIA.-- 4 Pistils. 



PARNASSIA. Calyx deeply 5-cleft. Petals 5. Scales opposite to the 

 claws of the petals, terminating in glandular bristles at the apex. Capsule 

 1-celled, 4-valved. Seeds arillate. Droseracece, p. 41. 



NEMOPANTHES. Flowers by abortion dioecious or polygamous. Calyx 

 scarcely conspicuous. Petals 3 5, distinct, oblong, linear, deciduous. 

 Stigmas 3 5, sessile. Fruit subglobose ; nucules usually 4, smooth, bony. 

 Aquifoliaceai, p. 228. 



ORDER V. PENTAGYNIA, 5 Pistils. 



ARAUA. Calyx with the margin very short, 5-toothed or entire. Petals 

 L), spreading. Berry 5-celled. Flowers in umbels. Araliaceee, p. 140. 



STATICE. Calyx funnel-form, 5-toothed. Petals 5, united at base. Fruit 

 a membranaceous utricle. Plumbaginacece, p. 293. 



LINUM. Sepals 5, persistent. Petals 5, unguiculate. Filaments united 

 at base. Capsule subglobose, 10-valved, 10-celled. Seed solitary, ovate, 

 compressed. Linacece, p. 53. 



SIBBALDIA. Calyx 10-cleft, with the alternate segments narrower. Pe- 

 tals 5, minute. Styles proceeding laterally from the germ. Capsules 5, 

 indehiscent, in the bottom of the calyx, 1-seeded. Rosacece, p. 100. 



DROSERA. Calyx deeply 5-cleft. Petals 5. Capsule superior, globose 

 or ovoid, 1 3-celled, 3 5-valved, many-seeded. Droscracea:, p. 41 . 



(See Cerastium and Spergula in CLASS X.) 



ORDER VI. HEXAGYNIA. Many Pistils. 



ZANTHORIZA. Calyx deciduous, 5-sepalled. Petals 5. Ovaries 5 15, 

 pointed with the curved styles. Follicles membranaceous, compressed, 

 usually 1-seeded. JRanunculacctg, p. 14. 



CLASS VI. HEXANDRIA 6 Stamens, equal in height. 



ORDER I. MONOGYNJA. 1 Pistil. 

 * Perianth double or in two rows, inferior. 



TRADESCANTIA. Perianth in 2 rows; the outer one 3-leaved, calycine; 

 inner one 3-leaved, petaloid. Filaments villous. Stigma obtuse. Capsule 

 2 3-celled, 3-valved, few-seeded. ComrnelynacecE, p. 377. 



