324 F. Fedde: Moiphulogie und Systematik der Siphonugaiuen 19Uö. [86 



ceae (die nach Engler zu der Untf. der Escallonoideac gehören) mit der Gattung 

 Itca (/. virqinu-a L.j, sowie endlich die Pfcrostcmonaceae (nach P]ngler: Untf. 

 Pterodemonoideae). Die Alfingiareac (nach Engler: Untf. Biicklaudimdeae § 

 Altingiene) wurden von den Mamamelidaceae gesondert. Plinter diesen rangierten 

 dann die Fhyllonomaceae (nach Engler zu den Escallwwidtae gehörig), mono- 

 typisch mit Phyllonoma laticKspls, und die Gronsidarüiceae (Saxifraf/aceae-Rihe 

 sioideae). Von den Rosaceae sind als gesonderte Familien abgetrennt, die 

 Malareae und Amygdalaveae, die Leguminomceac sind geteilt in die Familien der 

 Miiiiosaceae, Caesalpiniaceae, Kramcriaceae und Fabaccae. 



Aquatic alga-like fleshy herbs, usually with spathe-hke in- 



volucres. Fam. 1. Podo 1. Podostemonaceae. 



Terrestrial or swamp plants, without spatlie-like involucres. 

 a) Flowers regulär or nearly so (actinomorphic). 



]. Endosperm present, usually copious and fleshy: 

 stipules. mostly wanting. 

 Herbs. 



Carpels as many as the sepals: stamens as many 

 as the sepals or twice as man3'. 

 Plants succulent: carpels distinct or united 



at the base, opening lengthwise. Fam. 2. Crassulaceae. 

 Plants not succulent: carpels united to the 



middle, circumscissile. Fam. 3. Penfhoraceae. 



Carpels fewer than the sepals. 



Staminodia present: carpels 3 or 4, wholly 

 united into a 1-celled gynoecium. 



Fam. 4. Parnassiaceae- 

 Staminodia wanting: carpels mostly ' 2, di- 

 stinct or partially united. Fam. 6. Saxifraqaceae. 

 Shrubs or trees. 

 Leaves opposite. 



Leaves without stipules: gynoecium not sur- 



rounded by a disk. Farn, 6. Hydrangeaceae- 



Leaves with stipules: gynoecium surrounded 



by an annular or a lobed disk. Fam. 7. Cunoniacea. 

 Leaves altern ate. 



Fruit ;i 2-B-celled capsule or of more or 

 less united follicles. 

 Capsule thin-walled, almost free from 

 the hypanthium. 

 Stamens 5: hypanthium flattish, 

 not accrescent; leaves without 

 stipules. Fam. 8. Ifeaceae- 



Stamens numerous: hypanthium 

 hemispheric, inflated in age: 

 leaves with stipules. 



Opulaster in Fam. 18. Rosaceae 

 Capsule Woody or thick-walled, mani- 

 festly adnate to the hypanthium. 

 Styles united. Fam. 9. Pieroxfemonaceae. 



