84 
SANDWICH ISLANDS. 
{Araliacece. 
Ord. XVIIL FICOIDE^. Juss. 
1. Sesuvium portulacastrum. Linn. — De Cand. Prodr. v. 3. p. 453. — Aizoon Canari- 
ense. Andr. Bot. Eep. t. 201. 
Ord. XIX. SAXIFRAGES. Juss. 
1. Broussaisia arguta. Gaud, in Freyc. Voy. p. 479. t. 69. De Cand. Prodr. v. 4. p. 17. 
This is a small-sized tree, the branches heing soft and spongy, and fiUed with pith. The leaves are 
opposite ; the petioles are short, and furnished with a remarkable dilatation or appendage at their back, where 
they spring from the branch. This dilatation is not connected mth the branch by any vessels ; but when 
the leaf falls off, which it does very readily, it leaves a heart-shaped scar, so large as almost to meet that at 
the base of the opposite leaf. De Candolle places this in the Saxifragea, close to Hydrangea and Deutzia, 
to the former of which genera it is allied in habit : but the style, which is very short, has a truncate and 
simple, although indistinctly lobed stigma; and the ovarium has five cells, and is perfectly free from the calyx. 
Ord. XX. UMBELLIFER.®. Juss. 
1. Hydrocotyle interrupta ; JoYns peltatis duplicato-crenatis 11-nerviis petiolisque glabris, 
floribiis in verticillos subdistantes plurimos dispositi, idtimis umbellatis, fructu basi subat- 
tenuato colorato. DC. — Muhl. Cat. p. 10. De Cand. Prodr. v. 4. p. 59. — H. vulgaris. 
Mich. — Rich. Hydr. t. 50. f, \. b. 
Oie^iracUiAiifY) Ord. XXL ARALIACE.^®. Juss. 
1. Panax? Guadichaudi ; caule arboreo glabro inermi, foliis digitatis petiolatis superiori- 
bus oppositis, foliolis quinque longe petiolulatis ovato-ellipticis obtusis remote et argute 
serratis coriaceis, pedunculis terminalibus umbellas paniculatim dispositas gerentibus, pedi- 
cellis brevissimis, stylis 3, fructibus globoso-trigonis 3-spermis. De Cand. Prodr. v. 4. p. 
253. — Aralia trigyma. Gaud, in Freyc. Voy. p. 474. t. 98. 
The panicles are much shorter than the leaves. Two of the leaflets are often abortive, so that the leaves 
appear ternate. The three styles render it dubious whether to place this species in Aralia or Panax. 
It was first discovered long ago by Mr. Menzies, from whom we have a specimen in our herbarium. 
2. Panax? ovatum ; caule arboreo glabro inermi, foliis petiolatis superioribus oppositis, 
foliolis tribus longe petiolulatis ovatis integerrimis coriaceis. 
The whole plant, as far as we can judge from the individual before us, is quite glabrous. The petioles are 
opposite, about three or four inches long : the partial ones about an inch or an inch and a half. The leaflets are 
broadly ovate, not acuminated, but slightly obtuse ; the upper sirnface is glossy ; the margin perfectly entire. 
There is neither flower nor fruit on the only specimen in the Collection, which was found in Oneeheow ; but 
it is very nearly allied to the last species. 
3. Panax? platyphyllum ; caule arboreo glabro inermi, foliis petiolatis superioribus oppo- 
sitis, foliolis tribus longe petiolulatis transversim oblongis longitudine duplo latioribus apice 
subiter apiculatis coriaceis integerrimis, pedunculis terminalibus umbellas paniculatim dis- 
positas gerentibus. 
Caidis arboreus, iuermis, glaber ut tota planta. Folia, saltern superiora, opposita : petiolus 4 uncias et 
petioli partiales duas long! ; foliola circumscriptione valde singulari, tres fere uncias longa et tantummodo 
sesquiunciam lata, vix emarginata at breve apiculata, venis plurimis paraUelis divergentibus. Panicula 
