Key 



Page 



(1) Flower spike coiled 



at the tips Cynoctaaum— 1&9 



(2) Flower spike not 

 coiled at the tips. 



(m) Corolla tubular, 



over Vz" long.. Pen is tern on— 191 



(n) Corolla not tubu- 

 lar, flowers in 

 flat-topped clus- 

 ters Valerianella— 201 



d. Flowers pink, rose, red or reddish- 

 brown, 

 m. Shrubs. 



(1) Leaves linear, less than 1" 



long Castela — 118 



(2) Leaves broad, over 2" long.. Callicarpa— 180 



n. Vines or plants with prostrate 



stems, 

 (x) Flowers clustered. 



(1) Flowers large, scarlet Nyctaginia— 75 



(2) Flowers small, wine red.. Boerhaavia — 75 



(y) Flowers not clustered Anagallis — 15T 



o. Plants neither shrubs nor vines, 

 (x) Stems square. 



(1) Petals distinct or nearly so Erythraea — 160-1 



(2) Petals united in a tube — See 



key to Menthaceae Menthaceae — 180 



(y) Stems not square, 

 r. Flowers composite — See key 



to Asteraceae Asteraceae — 205 



s. Flowers simple. 



(m) Petals distinct or nearly 

 so. 



(1) Leaves fleshy, less than 



1" long Portulaca — 76 



(2) Leaves not fleshy, 

 (m) Stems with sticky 



patches Silene— 78 



(n) Stems not sticky. 



(n) Petals or petal-like parts Thryallis— 117 



united at base, 

 (r) Flowers 2-lipped. 



