CONSPECTUS OF THE ORDERS CONTAINED IN 

 THE SECOND VOLUME. 



Class. I. DICOTYLEDONES. 



Subclass I. POLYPETAL^. 



Cohort XI. Kosales (continued from Vol. I. p. 4). Flowers regular or irregular, 

 usually hermaphrodite. Stamens more or less distinctly perigynous. Styles distinct 

 (except Brexia). 



XLVII. Leguminos^. Trees, shrubs or herbs. Leaves compound or simple. 

 Flowers irregular or regular. Stamens definite or indefinite, free or connate. Carpel 

 solitary; ovules 1-2-go, attached to the ventral suture. 



XLVIII. Rosacea. Herbs, shrubs or trees. Leaves usually alternate and stipu- 

 late, simple or compound. Flowers regular (polygamous or dioecious in Pygeum, Bra- 

 yera, Cliffortia). Stamens usually indefinite. Carpels 1 or more, free or consolidated 

 with the receptacle ; ovules 1 or 2. Seeds exalbnminous. 



XLIX. Saxifragaceje. Herbs or a shrub {Brexia). Leaves alternate or opposite, 

 exstipulate. Flowers regular, hermaphrodite. Stamens iso- or diplostemonous ; fila- 

 ments free. Pistil syncarpous, digynous (or monogynous in Brexia) ; ovules oo. 



L. Crassulace^. Herbs, usually succulent. Leaves opposite or alternate. Flowers 

 regular, hermaphrodite. Stamens iso- or diplostemonous ; filaments free or epipetalous. 

 Pistil apo- or syncarpous; carpels as many as petals, usually oo -ovulate. Seeds 

 albuminous. 



LI. Droserace^e. Glandular-pilose herbs. Flowers regular, hermaphrodite. Ovary 

 1-celled with 2-5 simple or bipartite styles. 



LII. HAMAMELiDEiE. (Myrothamnus only.) Glabrous shrub. Leaves opposite. 

 Flowers spicate, dioecious, achlamydeous. Stamens 4-8. Pistil 3-4-carpellary, multi- 

 ovulate. 



LIII. Halorage^e. Herbs, often aquatic. Flowers small, hermaphrodite or uni- 

 sexual. Petals 4, fewer or 0. Stamens definite. Ovary inferior, 1-4-celled ; ovules 

 solitary, or few definite. 



Cohort XII. Myrtales. Flowers regular or subregular, usually hermaphrodite. 

 Pistil syncarpous, inferior (or free in some BMzophoracea}) ; style 1 (4 in Anisojihyllea). 

 Leaves simple. 



LIV. Rhizophorace^e. Usually littoral trees or shrubs. Leaves opposite, stipulate 

 (alternate, exstipulate in Anisophyllea). Flowers regular, hermaphrodite. Calyx-lobes 

 valvate. Ovary 2-5-celled, inferior or superior. 



LV. Combretace^e. Trees or shrubs. Leaves opposite or alternate. Stamens 

 definite. Ovary inferior, 1-celled. 



LVI. Myrtace^e. Trees or shrubs. Leaves opposite or alternate, entire. Flowers 

 regular or subregular, hermaphrodite or polygamous. Stamens co, perigynous. Ovary 

 inferior, 2-5-celled ; ovules 2-co . 



LVII. Mklastomace^:. Herbs, shrubs or trees. Leaves opposite, usually 3-5-nerved. 

 Flowers regular, hermaphrodite. Stamens usually twice as many as petals ; anthers 



