4i8 THE STORY OF PLANT LIFE 



Tribe 7. Chlortdece. 



Genera. Spartifta (Vol. Ill, p. 398), Cynodon 

 (Vol. Ill p. 407). 

 Tribe 8. HordecB. 



Genera. Nardus (Vol. Ill, p. 411), Lolium^ 

 Lepturus^ Triticum^ Hordeum, Elymus. 

 Family 2. Cyperacese (Introductory Vol., p. 215; 

 Vol. Ill, p. 388). — Flowers uni- or bisexual, cymose, with 

 axillary spikelets ; perianth wanting, or of 3-6 bristles ; 

 stamens 1-3; anthers basifixed; ovary 2-3-locular; stigmas 

 2-3 ; fruit a capsule, or achene, with free seed. 

 Sub-Family i. Scirpoidese. 

 Tribe i. ScirpecE. 



Sub- Tribe 1. Cyperince. 



Genus. Cyperus. 

 Sub-Tribe 2. Scirpincp. 



Genera. Heleocharis, Scirpus, Eriophorum (Intro- 

 ductory Vol., p. 217). 

 Sub-Family 2. Rhynchosporoideae. 

 Tribe 2. Rhynchosporece. 



Genera. Rhynchospora^ Schoenus (Vol. Ill, p. 390), 

 Cladium. 

 Sub-Family 3. Caricoideae. 



Genera. Kobresia (Vol. Ill, p. 392), Carex (Vol. 

 Ill, p. 394). 



Order 4. Spathiflor^. — Flowers cyclic, with 

 o, I or 2 whorls in the perianth, the parts in threes 

 or twos, hermaphrodite or unisexual, often much 

 reduced, even to i stamen or carpel ; spadices 

 simple, enclosed in spathes, with no bracts. 



Family i. Aracese (Vol. Ill, p. 354). — Flowers uni- 

 or bi-sexual, plants rarely dioecious, or spadix enclosed in 

 a spathe; parts of flower 2-3; perianth 6 scale-like seg- 



