SYNOPSIS OF NATURAL ORDERS. 129 
Diviston IIT., Canyorrtora. — lowers with calyx and 
corolla. Petals free, and inserted with the stamens on 
the calyx or on an epigynous disc. 
Exceptions —Petals and stamens hypogynous in some Droseracex. 
Petals absent in some Haloragez, Onagrariex, Ficoidew, and Araliaces. 
* Calyx inferior (except in some Rosacee and Saxifrage).. 
Stamens perigynous (rarely hypogynous), 
+ Seeds exalbuminous. 
23. Lecuminosas.—Leaves usually alternate, compound 
and stipulate. Calyx (4-)5-lobed. Petals (4-)5. Stamens 
10 (or oo), usually more-or less connate. Ovary of one 1-celled 
earpel. (See p. 140.) 
24. Rosacea.—Leayes alternate, simple or compound, 
stipulate. Calyx inferior, or tube adnate to the ovary, 
45-lobed. Petals 4-5. Stamens co (rarely 1-5) free, curved 
inwards in bud. Ovary of 1 or more ecarpels, free or connate. 
(P. 141.) 
+t Seeds with fleshy endosperm. 
25. SAxtrrRAGER.—(Herbs), shrubs, or trees. Calyx in- 
ferior, or tube adnate to the ovary, 4-5-lobed. Petals 4-5. 
Stamens 5, or 8-10, free. Ovary 2-5-celled. (Quintinia, 2 
sp.; Ixzerba, 1 sp.; Carpodetus, 1 sp.; Ackama, 1 sp.; Wein- 
manna, 2 sp.) . ’ 
26. CrassunLAcE&.—Herbs, usually succulent, with entire 
opposite leaves. Sepals, petals, stamens, and carpels 3-65. 
Pistil apocarpous. (Tillea, 5 sp.) . 
27. DrosErAcE®.—Gilandular herbs with alternate or 
radical leaves. Sepals and petals 5, imbricate. Stamens 5 
Ovary 1-celled, with co ovules on a parietal placenta. (Dro 
sera (Sundew), 6 sp.) 
ale ate 
Calyz-limb adnate to the ovary. Stamens epigynous. 
a. One ovule in each cell. Seeds albwnvinous. 
28. Hatoraces.—Herbs, often marsh or aquatic; leaves 
radical, opposite or whorled. Flowers minute, usually uni- 
Sexual. Calyx-limb 4-toothed, or 0. Petals 2, 4, or 0. 
Stamens 1, 2, or 4. Ovary 1-, 2-, or 4-celled; ovules pen- 
dulous. (Haloragis, 6 sp.; Myriophyllum, 4 sp.; Gunnera, 
3 sp.; Callitriche, 1 sp.) 
B. Ovules numerous on axile placente. Hndosperm 0. 
29. Myrraces.—Trees or shrubs; leaves opposite, with 
pellucid dots. Calyx-lobes 4-5, valvate or imbricate. Petals 
4-5. Stamens oo, free. (P. 141.) 
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