235 



VOTRIA. 



Calyx 5-lobed. Corolla salver-shaped, 5-lobed. Stigma capitate. Herbs 

 •without greou colouring-matter, growing on decaying leaves or wood. leaves re" 

 duced to scales. 



* Stem simple, one-flowered. 



1. V. uniilora, Lam. 6 to 8 inches high. Corolla yellow, one inch long. 



2. V. tenella, Guild. 1 to 4 inches high. Corolla red, J to J iuch long. 

 ** Inflorescence with more than one flower. 



3. V. mexicana, Griseb. 4 to 6 inches high. Corolla \ to J inch long. ' 



Erythrjea. 



Calyx 5-cleft. Corolla salver-shaped, 5-lobed. Anthers when burst becom- 

 ing spiral. Stigmas two. Annual herbs. 



E. ramosissima, Pers. " Centaury." Corolla red. 



ScHULTESIA. 



Calyx 4-keeled, 4-lobed. Corolla funnel-shaped, 4 -lobei. Stigmas 2, broad 

 Annual herbs. 



1. 8. stenophylla, Mart. Inflorescence forked, with many flowers, corolla 

 red-violet J in long. 



2. S. heterophylla, Miq. Flowers one or a few. Corolla red, 1£ inch long. 



Eustoma. 



Calyx 5-cleft, keeled. Corolla bell-shaped, 5-cloft. Anthers when burst, 

 curved back. Ovary 1-celled with the placentas growing in ; stigmas 2, broad. 

 Glaucous herbs. 



E. exaltatum, Griseb. " Gentian Centaury." Corolla blue, 1 inch long. 



Macrocarpjea. 



Calyx 5-lobed, not keeled. Corolla funnel-shaped, 5-lobed, deciduous. An- 

 thers when burst, curved back. Ovary with the false appearance of being 2-celled 

 from the intrusion of the placentas which meet and divide at the centre ; stigmas 

 2. Shrubs. 



1. M. thamnoides, Gilg. Corolla greenish-yellow, 1 inch long. Stamens ex- 

 serted. Leaves elliptical. 



2. M. Hartii, Kr. & Orb. Corolla yellowish, 1 inch long. Stamens equal- 

 ling corolla-tube. Leaves obovate. 



LlMNANTHEMUM. 



Calyx 5-cleft. Corolla almost rotate, 5-cleft. Capsule not opening regularly 

 Aquatic herbs. 



L. Humboldtiamim, Griseb. Corolla white. Leaves cordate-roundish. 



