THE FLORA OF RAROTONGA. 285 
F. nutans in the longer and narrower leaves, which are not cordate at the base, in the 
scales of the involucre not being rounded, and in the longer awns of the achenes. 
F. Temariiana, also from Tahiti, is perhaps more nearly ailied, but the leaves are smaller, 
and the heads are frequently 2 or 3 on a common peduncle, whereas they are always: 
solitary in F. speciosa. For some pertinent remarks on the systematic position of 
Fitchia, reference should be made to Hemsley's * Botany of the Voyage of the * Chal- 
lenger ' " (i., Introduction, p. 20). 
The discovery of this fine species still. further commemorates the services rendered to 
botany by the accomplished British artists, WAuTER Hoop Frrou and Jonn NUGENT 
Fircu, uncle and nephew. [I am glad to see the name of the latter associated with 
the Plates illustrating this paper. | 
SIEGESBECKIA ORIENTALIS, Linn.—Cultivations and waste places, not very common. 
A weed in all warm countries. 
ECLIPTA ERECTA, Linn.—Taro-swamps and wet places generally, not uncommon, 
All warm regions. 
WEDELIA ARISTATA, Less.—Southern and eastern shores of the island, not uncommon. 
Tropics of the Old World. 
*TITHONIA TAGETIFLORA, Desf.—Largely planted in the gardens of the natives, and 
has established itself in several localities. 
Mexico. 
BIDENS PILOSA, Linn.—Abundant on dry hills, and a frequent weed in the cultivations 
of the natives. 
All warm countries. 
SoNCHUS OLERACEUs, Linn.—Not uncommon, and probably indigenous. 
Almost cosmopolitan. 
GOODENIACE.E. 
ScugvoLA K«Nrorr, Vahl.—Forms a fringe around the greater part of the island, just 
above high-water mark, but never extends more than a few yards inland. 
Abundant throughout the Pacific Islands, also on the shores of tropical Asia and 
Australia. 
CAMPANULACE E. 
SCLEROTHECA VIRIDIFLORA, Cheesem., sp.nov. (Plate 33.)—Frutex 4—6-pedalis, omnino 
glaberrimus, sueco lacteo copioso. Ramuli validi, transversim cicatrosi, basi nudi, 
versus apices foliosi. Folia alterna, 3-9 poll. longa, lineari-oblonga vel oblongo- 
lanceolata, acuta vel acuminata, in petiolum 3-1 poll. longum attenuata, argute 
SECOND SERIES.—BOTANY, VOL. VI. 2s 
