144 TEWTANDRIA. MONOGYNIA. 



surrounded with a glandulous disk. Berry 2- 

 celled, 2 to 4 seeded. (Stamina sometimes 4.) 



Sarmentose or twining- shrubs similar to tiie preceding-, 

 but brittle or soluble at the joints; leaves simple, ternate, 

 quinate, or pinnate; flowers in di or trichotomous, com- 

 pound racemes, of. en corymbose. 



Species. 1. (Z. Ampelopis. 2. hederacea. Articulations 

 and petioles tumid; racemes cymose, flowers by 2's or 3's, 

 petals 5, cucuUate, unconnected; stamina 5, seated upon 

 the petals, anthers horizontal, connected to the subulate 

 filaments about the middle; glandular disk none. Germ 

 conic, 4seeded. Style 0. Stigma minute, glandular. Can 

 this be referrible to the genus CissusP 3. bipiimata. (C. 

 atans. Persoon.) 



The genus Cissus, with the exception of the above, is 

 entirely tropical; tliere are 10 species in Peru and the 

 West Indies, 11 in India and tlie neighbouring islands, 1 

 in Arabia Felx, and another common to India and Arabia, 

 2 at the Cape of Good Hope, and 2 in Japan, and 1 ac- 

 cording to Lariiark in the Levant. 



No species of this genus appears to afford edible fruit, 

 notwithstanding its near aflinity to Vicis. 1 have never- 

 theless been informed that the fruit of the C. bipimiata 

 becomes agreeable when perfectly matured; to my taste 

 they are always nauseous like tlie berries of the .^jenus 

 CaprifuUum. 



221. II EA. L. 



Calix small, 5-cIefL Vctals 5, linear, reflexly 

 spreading, inserted upon tlie calix. Stigma capi- 

 tate, 2-lobed. Capsule 2-celled, 2-valved many- 

 seeded; the seeds attached to the inflected mar- 

 gins of the valves. 



A shrub witli alternate, minutely bistipulated leaves; 

 spikes solitary, terminal; bractes deciduous. (Flowers 

 white and odorous.) 



Species. 1. T. virginica. Like the following grow- 

 ing exclusively on the margins of swamps and stagnating 

 rivulets. 

 The only species, and peculiar to North America. 



£22. ClRiLLA. L, 



Calix minute, subturbinate, 5-parted. Pe- 

 tals 5, stellately spreading. Stigmas 2, (rarely 



