617. 
359 
(1.) Sambucus nigra, Linn.—Buenos Ayres, Dr. Gillies. 
— Introduced ? 
618. (L) Manettia cordifolia. Martius.—M. glabra, Cham. 
619. 
620. 
et Schlecht. — Uraguay, Tweedie. Missions of Brazil, 
Baird. 
(1.) Hedyotis perpusilla, (Hook. et Arn.); glabra, caule 
cespitoso diffuso ramoso debili, foliis oblongis, stipulis 
minutis non setigeris, pedicellis terminalibus exque fur- 
cationibus ramorum unifloris folium subzequantibus, ca- 
lycis tubo globoso setis hispido, dentibus erectis ovatis 
obtusis, —Occasionally found in inundated places, by the - 
shores of La Plata near Buenos Ayres, Tweedie.—Stems 
about an inch or two inches long, branched; the branches 
furnished with several short lateral ramuli, from the axils 
of which springs a peduncule, which after flowering be- 
comes reflexed. ‘This is obviously very closely allied 
to H. uniflora, DC., but seems to differ from the genus 
by the stipules not being furnished with sete. 
(1.) Psychotria? triflora, (Hook. et Arn.); arbuscula, 
glabra, ramulis tetragonis, foliis lanceolatis in petiolum 
brevem attenuatis margine tenuissime reflexis integer- 
rimis coriaceo-membranaceis, subtus pallidis reticulatis, 
stipulis ovatis acutis deciduis, pedunculis axillaribus 
brevibus trifloris, floribus brevissime pedicellatis basi 
bracteatis, bractea parva convoluta dentata, floribus 
dioicis, fructibus ovalibus calycis limbo breviter tubu- 
loso minutissime 5-dentato coronatis.— Hippotis triflora, 
Bert, in Ann. des Sc. Nat. v. 21. p. 348, (non R. et P.)— 
Juan Fernandez, Bertero (N. 1466.) ; Cuming (N. 1337.) 
—Mr. Cuming's specimens bear only the male flowers; 
and what is very remarkable, the corolla, which is gla- 
brous within, broadly infundibuliform and deciduous, 
on falling away, leaves the stamens attached to the re- 
ceptacle within the minute calyx; nor is there any ru- 
