1018 



SYNOPSIS OF THE CLASSES, 



* * * * Albumen fleshy or horny ; embryo distinct. (See also Taccacese). 



Cohort V. Narcissales. Flowers $ > regular or irregular. Perianth usually petaloid. 

 Stamens 3 or 6, inserted on the perianth-tube. Ovary 3-celled. Seeds with copious fleshy 

 or horny albumen and a distinct embryo. Leaves parallel-veined. 



10. IRIDE^E. Perianth regular or irregu- 

 lar. Stamens 3 ; anthers extrorsc . . 782 



11. AMARTLLIDK^:. Perianth glabrous, 

 regular or irregular. Stamens 6, inserted on 



the perianth-tube. Ovary 1- or 3-celled . 786 



12. II-EMODORACEJE. Perianth hairy with- 

 out, regular or nearly so. Stamens 3 or 0, 

 inserted on the base of the perianth-segments; 

 anthers introrse. Ovary 1- or 3-celled . 789 



18. HYPOXIDE.E. Perianth hairy without, , 

 regular. Stamens 6, inserted on the perianth- 

 segments ; anthers introrae, sagittate. Seeds 

 strophiolato ...... 701 



14. VELLOSIEJE. Perianth regular. Sta- 

 mens 6 or more, inserted on the perianth- 

 tube; anthers linear. Embryo outside the 

 albumen . 793 



Cohort VI. Dioscorales. Flowers dioecious, regular. Perianth herbaceous. Stamens 

 (>, inserted at the base of the perianth-segments. Ovary 3-celled. Fruit a berry or cap- 

 sule. Seeds with copious fleshy dense albumen, and a distinct included embryo. Climbing 

 herbs or undorshrubs. Leaves net- veined. 



15. DIOSCORBJS 



794 



DIVISION II. 



Ovary superior. (See also Bromeliacece and Hcemodoracecp). 



SUB-DIVISION I. Ovary apocarpous (reduced to 1 carpel in some Naiitdece. Seo 

 also some Palmce). 



Cohort VII. Triurales. Flowers unisexual. Perianth 6-lobed or -partite. Stamens G. 

 Carpels 1-ovuled ; style basal or lateral. Seed minute, with very dense albumen and obscure 

 embryo.- 



-Minute leafless slender herbs. 



16. TRIURIDE.K 



797 



Cohort VIII. Potamales. Flowers $ or unisexual. Perianth of 3, 4, or 6 segments, 

 or 0. Stamens 1-6. Albumen ; embryo conspicuous. Usually water-plants. 



17. BUTOMEJE. Flowers $ . Perianth 6- 

 leaved, 3 outer herbaceous. Stamens 9- oo , 

 hypogynous. Carpels many-ovuled, follicular 

 when ripe . . * - . . . 797 



18. ALISMACEJE. Flowers $ or monoecious. 

 Perianth 6 - leaved, 3 outer herbaceous. 

 Stamens 6 or 12, hypogynous or perigynous. 

 Carpels 1-2-ovuled, follicular when ripe . 799 



19. JTTNCAGINE.E. Flowers $ or diclinous. 

 Perianth 6-leaved, all herbaceous. Stamens 

 C, rarely 1 ; anthers extrorse. Carpels 3, 



1 -2-ovuled, follicular or capsular when ripe 802 



20. POTAME^E. Flowers or unisexual. 

 Perianth of 4 herbaceous valvate leaflets or 



0, on a 3-toothed cup. Stamens 1, 2 or 4. 

 Carpels 1-0, 1-ovuled, indehiscent or 2- 

 valved when ripe ; ovules pendulous . 804 



21. APOKOGETEJJJ. Flowers . Perianth 

 0, or of 2-3 caducous leaflets, inserted on a 

 spadix with often white bracts. Stamens 

 6-18-20, hypogynous. Carpels 3-5, 2-4-0- 

 ovuled, follicular when ripe; ovules ascending 805 



22. NAIADE^E. Flowers or unisexual,, 

 obscure. Perianth or tubular or mem- 

 branous. Stamens 1-2-4 ; anthers 1-2-4- 

 celled. Carpels 1-4, l-oo -ovuled ; when ripe 

 an indehiscent berry or utricle, or dehiscent; 

 stigmas usually 2-3, filiform . . . 807 



