KEY TO THE GENERA. 17 
uwd o I BO Is Herpolirion, p. 54. 
Flowers solitary. Leafless twining herbs . eot ns ns s nn 5 s. 0. Záysenotus, p. 58. 
Flowers umbellate. Fruit of clavate 1-seeded M hen e. dta oid. fe dee, Y. 06. 
Flowers imbellis, un PME 0. Ll s uso oe wm Stypandra, p. 55 
Flowers racemose or panicled, 
Flowers white or purple. Pedicel jointed in middle . . . . . . . . . . Arthropodium, p. 50. 
Flowers yellow. Pedicels not jointed . . € oos Sy woe dela! eee IO D. Bl. 
Flowers white or blue. Pedicels jointed at apex . . . . . . . 4 . . Cesia, p. 52. 
Fruit capsular, dehiscent. Styles3 . . IM a e LO 
Fruit indehiscent. Style 1. 
MEC clavate lobes ` i. eddie lc d Tricoryne, p. 54. 
Fruit a globular berry. Flowers blue. Filaments tumid. . . . . . . . . , Dianella, p. 56. 
Fruit an oblong berry. Flowers white. Filaments simple . . . . . . . . . Astelia, p. 60. 
XII. JuNcEX. 
Flowers onitan: ARS POR . i Sr. o EE Xerotes, p. 63. 
Flowers hermaphrodite. Anthers linear. Seeds many . . . . . . . . . . Juncus, p. 63. 
Flowers hermaphrodite. Anthers linear. Seeds8 . . . . . . . . . . 4. Luzula, p. 68. 
XIII. XYRIDÆ. 
Xyris, p. 69. 
XIV. RESTIACEZ. 
Perianth of 4—6 leaves or scales. 
Stamens 4-6 . . o. e i 10. 
Stamens 3. Flowers lidad o or oee er 3- Mud , . « Lepyrodia, p. 72. 
Stamens 3. Flowers fascicled or amentaceous. Ovary 1-locular. Perianth 8 Gene ie nut Leptocarpus, p. 12. 
Stamens 3. Flowers fascicled or amentaceous. Ovary 1-locular. Perianth 9 shorter than nut Hypolena, p. 74. 
Stamens 3. Flower solitary, axillary . . . . 2 2 . . . ==. « « Calorophus, p. 15. 
Perianth 0. Flowers in scales or spathes. 
Spike solitary, of distichous scales . . Ros c o on ME, D. 15. 
Capitulum solitary, with 2 spathes. Foros with t numerous pru 0:0... « Centrolepis, p. 76. 
Capitulum solitary. Flowers few, with 1 or 0 palea . . . . . . . . . . . Alepyrum, p. 77. 
Capitulum solitary, with a 4-leaved involucre . . . . . . . . . . . . . Trithuria, p. 78. 
XV. CYPERACEZ. 
I. Nut free, not enclosed in a flagon-shaped utriculus. 
A. Spikelets flattened, with many distichous scales. 
Hypogynous scales or bristles 0. 
All the scales equal and (generally) foriferous . < . . 2 . . . .. Cyperus, p. 79. 
Lower scales smaller, empty . . Re ré en IA: I B6. 
Hypogynous bristles 3 or more. 
Spikelets aggregated in a globose capitulum > 2222 . 2 2 . , Gymnoscheenus, p. 83. 
Spikelets solitary or fascicled . . ~ Chetospora, p. 81. 
B. Spikelets flattened or terete, with many diwi and weg REM all — 
