Rcrisions of Some Plant Phyla 39 



Order Iridales. Compound tricarpellary pistil, inferior; flow- 

 er-leaves in each whorl mostly alike in shape (flower regular, 

 actinomorphic) ; seeds with endosperm. 



Family 33. Amaryllidaceae. Amaryllises. Leaves narrow, or 

 the blade broad, with longitudinal veins; pistil 3-celled; ovules 

 many; stamens 6 or 3. Amaryllis, Crinum, Narcissus, Agave, 

 Hypo.vis. (Pf. II, 5,97-) 



Family 34. Haemodoraceae. Leaves sword-shaped; pistil 3- 

 celled; ovules i to many; stamens 6. Haemodorum. (Pf. II, 5, 

 92.) 



Family 35. Iridaceae. Leaves sword-shaped; pistil 3-celled; 

 ovules many; stamens 3. Crocus, Iris, Tigridia, Sisyrinchium, 

 Ixia, Tritonia, Gladiolus, Frccsia. (Pf. II, 5, 137-) 



Family 36. Velloziaceae. Woody-stemmed leafy plants, with 

 a 3-celled pistil containing many ovules, stamens 6 or more. Vel- 

 lozia. (Pf. II, 5, 125- ) 



Family 37. Taccaceae. Stemless herbs, with broad pinnately 

 parallel-veined leaves; pistil i-celled; ovules many; stamens 6. 

 Tacca. (Pf. II, 5, 127.) 



Family 38. Dioscoreaceae. Yams. Mostly twining herbs with 

 broad, petioled, longitudinally-veined leaves ; pistil 3-celled ; ovules 

 2 in each cell ; stamens 6. Dioscorea, Tesfudinaria. ( Pf. IL 

 5,. 130-) 



Family 39. Bromeliaceae. Pine-Apples. Leaves mostly rosu- 

 late; external perianth whorl calycine ; pistil 3-celled; ovules 

 many; stamens 6. Tillandsia, Dcndropogon, Ananas. (Pf. II, 

 4, 32.) 



Family 40. Musaceae. Bananas. Large herbs, the stem often 

 composed of the sheathing leaf-bases ; perianth petaloid of 6, 

 often dissimilar segments; stamens 6; pistil 3-celled; ovules i to 

 very many. Strelitzia, Mitsa. (Pf. II, 6, i.) 



Family 41. Zingiberaceae. Gingers. Perennial, medium sized 

 herbs, with creeping or tuberous rootstocks ; perianth irregular ; 

 stamen i, anther 2-celled, with several " staminodes " ; pistil 3- 



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