192 ANALYSIS OF THE NATURAL ORDERS. 



4 Ovaries simple, distinct or solitary. Vines or erect shrubs, (w) 

 4 Ovary compound, wholly adherent to the calyx, (x) 



free from the calyx or nearly so. (5) 



5 Stamens opposite to the petals and' of the same number, (y) 

 5 Stamens alternate with the petals or of a different number. (6) 

 6 Leaves opposite on the stems, (z) 

 6 Leaves alternate, compound, (yy) 



simple, (zz) 

 7 Polyandrous, stamens 3 to 10 times as many as the petals, or more, (m) 



.7 Oligandrous, stamens 1 2 times as many as the petals, or fewer. (8) 



8 Pistils separate and distinct, few or solitary, simple, (n) 

 .^8 Pistils united, ovary compound, free from the calyx. (9) 



ovary compound, adherent to the calyx, (o) 

 9 stamens opposite to the petals and of the same number, (p) 

 9 Stamens alternate with the petals or of a greater number, (q) 

 1 1 Flowers regular or nearly so. Fruit never a legume. (13) 

 11 Flowers irregular (rarely regular and the fruit a legume). (12) 

 12 Stamens numerous, 3 or more times as many as the petals, (k) 

 12 Stamens few and definite, 5 12. (1) 

 13 Stamens 3 to 10 times as many as the petals. (15) 

 13 Stamens few and definite. Ovary free from the calyx. (14) 

 Ovary adherent to the calyx. ( j) 

 14 Pistils one, or indefinite (1 15), distinct, simple, (e) 

 14 Pistils definitely 2 united, the short styles combined into one. (f) 

 3 or 4 united, styles or stigmas 3, 4 or 6. (g) 

 5, distinct or united, with 5 distinct styles, (h)/ 

 5 united and the styles combined in one. (i) 

 15 Stamens hypogynous, on the receptacle. (16) 

 15 Stamens perigynous, on the corolla at base, (c) 



on the calyx ai the base, (d) 



16 Pistils few or many, distinct (at least as to thfi styles), (a) 

 16 Pistils (and styles if any) completely united, (b). 



a Petals 5 or more, deciduous. Leaves not peltate. KANTTNOHLACE^E. 1 



a Petals 3, persistent, withering. Floating leaves peltate. CABOMBACE^. 7 



a Petals numerous, deciduous. Leaves all peltate. NELUMBIACE^E. 8 



b Sepals 4 6, equal. Petals OO, imbricated in the bud. NTMPH^ACEJ:. 9 



b Sepals 5, equal, Petals 5, imbricate. Leaves tubular. SARRACENTACEJE. 10 



b Sepals 5, unequal. Petals 5, convolute. Flowers of 2 sorts. CISTACE^E. 17 



b Sepals 2, with 5 petals imbricated in the bud. PORTULACACE.S. 22 



4 or 8 petals usually crumpled in the bud. PAPAVERACEJS. 11 



C Filaments united into a tube. Anther 1-celled. MALVACEAE. 24 



d Sepals 2, persistent, capping the pyxis. PORTULACACE.S. 22 



d Sepals 3 5, valvate in the bud. Pod long, 2-carpeled. TELIACE^:. 26 



d Sepals 3 5. Petals imbricate in bud. Fruits simple. ROSACES. 47 



Petals convolute in bud. Fruit compressed. LOASACE.E. 53 



e Stamens opposite to the imbricated petals. Pistil 1 only. BERBERIDACE.E. 6 



e Stamens alternate with the petals or more numerous. BANUNCULACEJB. 1 



f Stamens 6 (tetradynamous). Pods 2-celled. CRCCIFERJS. 13 



f Stamens 4, or 8 32. Pod 1-celled. CAPPARIDACELE. 14 



g Sepals and petals in 3s. Stamens 6. Small herb. LIMNANTHAOEJE. 36 



g Sepals and petals in 4s. Stamens 8. Climbing. SAPINDACE.E. 41 



g Sepals, etc., in 5s. Stam. 5, monadelphous. Climbing. PASSLFLORACE^. 57 



Stam. 5, distinct. Greenish. Climbing. OEDEK. 104 



Stam. 5, distinct. Yellow. Erect. TCRXEBACE.S. 56 



Stam. 5, distinct. Cyanic. Erect. DROSERACE.B. 19 



Stam. 3 15. Fls. , very many, minute. CBTACE^. 17 



Fls. monoecious. OSDKB, 113 



