346 2. agahdhia cKYrTANTHA. [cl. i, 



parts, aiid in Hippophdc of two ; but, in both cases, it standi 

 above tlie Iruit. It is true, lliat in the two latter plants, the 

 filaments ai'c four ; but we know that a uniform abortion ac- 

 counts for the want of organs of the same kind, (180.) 



Uses. 



Only goats eat this plant. It contributes to the purifica- 

 tion of air in standing water. 



2. 



Agardhia cryptantha. 



Char. Gen. Cal. 3-sepalus, inferus. Cor. 5-petala, convo- 

 hita. Stam. 1, anthera magna. Drupa 3-locularis, 3-val- 

 vis. 



Ramum florentem habeo e Brasilia, cortice fusco. Folia op- 

 posita, ovata, inaequalia, coriacea, integerrima, acuta, nervo- 

 so-venosa, duos poUices cum dimidio longa, duos fere pol- 

 lices lata, utrinque glaberrima ; petioli fusci ; canalicula- 

 ti, semipollicares, patentes. Racemus terminalis, aphyllus, 

 nutans. Flores flavidi. Calyx trisepalus, subimbricatus. 

 iEstivatio convolutiva. Corolla 5-petala, extus sericea. Re- 

 ceptaculum villosum. Stamen unicum laterals. Anthera 

 ratione reliquarum parti um maxima, curvata, bilocularis. 

 Plstilliim triquetrum. Drupa ovalis pollicaris, atra, trival- 

 vis, trilocularis. 



Planta affinis Cryptostomo Schreb. (MoutabeaAubl. Guian. 

 t. 274.) ipsique mangifera*. Sed ha^c turn calyce 5-sepalo, 

 tum drupa monosperma, ilia antheris quinque stamini uni- 

 co insidentibus, et calyptra corollae differt. Videtur tamen 

 Tcrcbinthaces adnumeranda esse. 



Dixi in honorem Agardhii, prof. Lundincnsis, qui algarum 

 hibtoriam egregic illustravit. 



