998 



SYNOPSIS OF THE CLASSES, 



27. PoETTJLAOB^. Sepals usually 2. Pe- 

 tals 4-5, rarely oo. Stamens various. Pla- 

 centa central. — IJerta; leaves alternate or 

 opposite, simple, stipulate or not . . . 259 



28. Tamaeiscinejb. Sepals 5, rarely 4. 

 Petals as many, free or connate. Stamens 

 5-00 . Placentas 3-5, central or parietal. — • 

 Shrubs or herbs; leaves minute, alternate, 

 simple, exstipulate 263 



Cohort V. Guttiferales. — Flov^rers regular. Sepals and petals each usually 4-5, 

 imbricate in bud. Stamens usually oo. Ovary 3-oo -celled, rarely 2-celled, or of one 

 carpel ; placentas on the inner angles of the cells. 



29. Elatine.^;. Flowers J • Stamens 

 definite. — Herbs or shrubs ; leaves small, 

 opposite or fascicled, simple, stipulate . . 264 



30. HTPERioiNE.a5. Flowers ^ ■ Stamens 

 usually 00. — Herbs or shrubs, rarely trees; 

 leaves opposite or whorled, simple, exstipu- 

 late, usually gland-dotted .... 266 



31. GTIIIIFEB.S!. Flowers rarely ^ . Se- 

 pals 4-6. Stamens usually oo. — Trees or 

 shrubs; leaves opposite or whorled, usually 

 coriaceous, simple, exstipulate; flowers usu- 

 ally in 3-chotomous cymes or panicles . . 268 



32. CAMBLLiACEiE. Flowers usually ^. 

 Sepals 5. Petals free or connate. Stamens 

 00 . — Trees or shrubs ; leaves usually alter- 

 nate, simple, exstipulate; flowers usually 

 axillary or panicled 271 



33. MAECGRAViACB.a). Flowers ^ • Sepals 

 2-6. Petals 2-6, free or connate, or forming 

 a circumsciss cap. Stamens usually oo.— ' 

 Trees or shrubs, erect or climbing; leaves 

 alternate, simple, exstipulate; flowers usu- 

 ally umbelled or spiked, and furnished with 

 hooded bracts 276 



34. DiPTBROCAEPE^. Flowers ^ . Calyx- 

 usually enlarging greatly in fruit. Stamens 

 00 or definite. — Trees or shrubs ; leaves 

 coriaceous, alternate, simple, often stipulate ; 

 flowers panicled 277 



35. Ohl^nace^, Flowers J . Sepals 3. 

 Petals 0-6. Stamens lO-oo , inserted within 

 a toothed cup. — Trees or shrubs ; leaves 

 alternate, simple ; stipules caducous ; flowers 



in dichotomous cymes or panicles . . . 278 



Cohort VI. Malvales. — Flowers rarely irregular. Sepals 5, rarely 2-4, free or con- 

 nate, valvate or imbricate. Petals as many or 0. Stamens usually oo and monadelphous. 

 Ovary 3-oo -celled (rarely of 1 carpel) ; ovules in the inner angles of the cells. — Shrubs, 

 rarely trees ; leaves alternate, usually stipulate, simple or compound. 



36. Malvacb^. Stamens monadelphous ; 

 anthers 1-celled. Ovules usually ascending 

 or horizontal. — Leaves alternate; stipules 

 various, rarely obsolete .... 



37. Steeotjliacb^. Stamens mon- or 

 poly-adelphous ; anthers 2-celled. Ovules 

 ascending or horizontal. — Herbs shrubs or 



279 



trees; leaves simple or compound, usually 



alternate and stipulate 283 



38. TiLiACE^. Stamens free or connate 

 at the base only ; anthers 2-celled. Ovules 

 pendulous. — Shrubs or trees, rarely herbs; 

 leaves alternate, rarely opposite; stipules 

 various or 288 



Seeies II. BISGTFLOBAL. 



Sepals distinct or connate, free or adnate to the ovary. Disk usually conspicuous, as 

 a ring or cushion, or spread over the base of the calyx-tube, or confluent with the base of 

 the ovary, or broken up into glands. Stamens usually definite, inserted upon or at the 

 outer or inner base of the disk. Ovary superior. 



Exceptions — Disk inconspicuoiia or flat in Malpighiacea ; often reduced to minute glands or absent in 

 lAnecB, Oxalidem, Geraniacem, Simarubem, Celastrinete, Coriarkce, Olacinece, lUcinem, and a few other Orders. 

 Stamens sometimes perigynous in Chailletiaoeis, Ehamnece, Anacardiacece, Celastrinem, Stackliouskcs, Burseracea ; 

 indefinite in a few genera of various Orders. Ovary more or less inferior in some Olacines, Bhamnea, and . 

 Aiiacardittcecs, 



