A Synopsis of Plant Phyla 55 



Family 22. Cyclanthaceae. Mostly herbaceous plants with 

 broad, petiolecl leaves having parallel venation; pistil i-celled; 

 ovules many, on four parietal ,placentae. Cyclaiithns. (Pf, II, 



3, 93-) 



Family 23. Araceae. Mostly herbaceous plants with broad, 



petioled leaves, having reticulate venation; pistil i- to 4-celled; 



ovules I or more. Anthiirium, Acorns, Monstcra, Sympiocarpus, 



Calla, Philodendron, Calocasia, Caladinni, Arum, Arisacnia. (Pf. 



II, 3, 102.) 



Family 24. Sparganiaceae. Aquatic or paludose plants with 

 creeping rootstocks and erect stems, bearing linear leaves ; flow- 

 ers monoecious in dense globose heads. Sparganiuni. (Pf. II, 

 I, 192.) 



Family 25. Typhaceae. Aquatic or paludose herbs, with lin- 

 ear, sheathing leaves; pistil i-celled; ovule i. TypJia. (Pf. II, 



I, 183.) 



Family 26. Lemnaceae. Very small, floating, aquatic herbs ; 

 pistil I-celled; ovules i or more. Lcnina, Spirodcla. (Pf. II, 3, 



I54-) 



Order Palmales. Compound pistil mostly tricarpellary, su- 

 perior ; ovules usually one ; flower-leaves reduced to rigid or 

 herbaceous scales. 



Family 27. Palmaceae. Trees or shrubs with compound 

 leaves; pistil i- to 3-celled; fruit a i -seeded berry or drupe 

 (rarely 2- to 3-seeded). Phoenix, Chamacrops, Calamus, Oreo- 

 doxa, Co cos. (Pf. II, 3, i.) 



Order Graaiinales. Compound pistil reduced to 2 or 3 car- 

 pels ; ovule solitary ; perianth reduced to small scales or entirely 

 wanting. 



Family 28. Centrolepidiaceae. Small rush-like herbs with 

 flowers in spikes or heads; perianth none; pistil i- to 3-celled; 

 ovules orthotropous, pendulous. Centrolcpis. (Pf. II, 4, 11.) 



Family 29. Restionaceae. Rush-like herbs or undershrubs, 

 with spiked, racemed, or panicled flower's ; perianth segments 6 or 

 less, chaffy; pistil i- to 3-celled; ovules orthotropous, pendulous. 

 Rcstio. (Pf. II, 4. 3.) 



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