XXX TRIANDRIA. 



f Perianth 6-cleft, superior. Her- 



3. IRIS. baceous plants with bulbous, or 



4. CROCUS. \ tuberous roots, sword-shaped, or 



5. TRICHONE'MA. 1 grass-like leaves, and beautiful 



[ flowers. IRIS TRIBE. P. 594. 



6. JUNCUS. Perianth, 6-cleft, inferior. Mostly marsh 

 plants with cylindrical stems and leaves, and brownish 

 green flowers. EUSH TRIBE. P. 622. 



* Many of the SEDGE TRIBE belong to this Class and 

 Order ; their inflorescence is in terminal spikes formed 

 of chaffy scales, or glumes, with a flower at the base of 

 each, Not described in this work. 



ORDER II. DIGYKEA. 2 Pistils. 



This Order contains only the GRASS TRIBE, the flowers 

 of which consist of 2 chaffy valves or glumes arranged 

 in small spikes (spikelets\ each of which has a pair of 

 glumes at the base, outside. For a description of this 

 and the preceding tribe, see Miss Pratt' s, " Grasses and 

 Sedges." 



ORDER III. TKIGYNIA. 3 Pistils. 



7. MONTIA. Sepals 2 capsule 3-valved. A small 

 aquatic plant, with opposite leaves and minute white 

 flowers. PURSLANE TRIBE. P. 226. 



8. HoL6sTEUM. Sepals 5 ; capsule opening with 6 

 teeth. A small plant with opposite leaves and white 

 flowers which grow in umbels. CHICKWEED TRIBE. 

 P. 87. 



9. POLYCARPON. Sepals 5 ; capsule 3-valved. A 

 small pknt with white flowers, bearing its lower leaves 

 in whorls of 4. KNOT-GRASS TRIBE. P. 228. 



10. TILL^EA. Sepals 3 ; carpels 3. A minute plant 

 with fleshy leaves and greenish-white flowers. STONE- 

 CROP TRIBE. P. 232. 



