J£ET TO THE NATURAL OEHEES. 
xiix 
** Monochlamydeous , with a petaloid perianth. 
XCIY. Orchidese. Perianth very irregular. Stamen combined with the style 
and stigma. Ovary inferior, 1-celled, with 3 parietal placentas. Seeds minute, 
exalbuminous. — Herbs, with fibrous often fleshy roots (page 327). 
Iridaceas. Perianth regular or irregular. Stamens 3 ; anthers extrorse. Ovary 
inferior, 3-celled. Seeds with embryo in the axis of abundant albumen.— Herbs 
with narrow dry leaves, persistent bracts and rootstocks often bulbous (page 364). 
XCY. Amaryllidacese. Perianth regular. Stamens 6; anthers introrse. 
Ovary inferior, 3-celled. Seeds with embryo in the axis of abundant albumen. — 
Bulbous herbs or shrubby with fleshy leaves (page 365). 
XCVI. Hypoxidacese. Perianth regular. Stamens 6 ; anthers extrorse. Ovary 
inferior, 3-celled. Seeds albuminous. — Herbs, with dry usually pilose leaves 
(page 368). 
DioscoreacejE. Flowers small, dioicous. Stamens 6. Ovary inferior, 3-celled. 
Seeds abundantly albuminous. — Twining herbs or shrubs, with broad reticulated 
leaves (page 369). 
TaccacejE. Flowers hermaphrodite. Stamens 6, with hooded petaloid filaments. 
Ovary 1-celled, inferior, with 3 parietal placentas. Fruit baccate. — Acaulescent 
herbs with umbellate flowers (page 370). 
MusACEiE. Flowers irregular. Stamens 6, or some abortive. Ovary inferior, 3- 
celled. Seeds with abundant albumen. — Gigantic herbs or trees, with large 
petioled oblong leaves (page 370). 
XCVII. Iiiliacese. Flowers regular, usually hermaphrodite. Stamens 6 ; 
anthers in all ours introrse. Ovary superior, 3-celled. Seeds with copious albu- 
men. Fruit capsular or baccate. — Herbs or shrubs ; rootstock often bulbous ; 
leaves dry or fleshy (page 372). 
XCVIII. Smilacese. Flowers polygamo-dioicous. Stamens, 6. Ovary superior, 
3-celled. Fruit baccate. — Climbing shrubs, with broad reticulated leaves (page 378). 
*** Monochlamydeous, with a regular sepaloid perianth. 
XCIX. Palmse. Flowers unisexual, arranged on spadices enclosed in spathes. 
Stamens 6 or many, rarely 3. Carpels 3, distinct or united ; ovule usually solitary. 
Fruit indehiscent, dry or succulent. Seed with small embryo outside the bony 
albumen. — Trees or shrubs (page 379). 
C. Juncacese. Flowers hermaphrodite. Stamens 6. Ovary 1-3-celled ; ovules 
many or 1. Fruit capsular or baccate. Seed albuminous. — Herbs, with dry persis- 
tent leaves, sometimes reduced to sheaths (page 389). 
Cl. Eriocaulonese. Flowers monoicous, in dense heads. Stamens 4-6, the 
alternate ones often sterile. Ovary 2-3-celled ; ovules solitary. Fruit capsular. 
Seed albuminous. — Usually acaulescent herbs, with leaves in a dense basal 
rosette (page 390). 
CII. Naiadaceae. Flowers hermaphrodite or monoicous. Stamens 1-4. Carpels 
1-4 1-celled ; ovules usually solitary. Fruit indehiscent. Seed usually exalbumi- 
nous. — Water-plants (page 391.) 
Cm. Typhaceae. Flowers monoicous. Perianth of threads or scales. Stamens 
2 or more. Ovary usually 1-celled ; ovule solitary. Fruit various. Seeds albu- 
minous. — Marsh plants, with minute flowers in dense heads or spikes (page 394). 
*** Achlamydeous (at any rate in Mauritian genera). See also Ruppia , Zannichettia. 
CIV. Pandaneae. Flowers dioicous, in oblong or globose heads enclosed in 
spathes. Stamens many. Ovary 1- or many-celled ; ovule solitary. Fruit drupa- 
ceous. Seed albuminous. — Trees or shrubs, with large linear coriaceous spiny 
leaves (page 395). 
