NOTES ON THE SANDWICH ISLANDS. 335 
allied though distinct species, and Holarrhena affinis, Hook. et Arn., 
(with which I am unacquainted) is probably also a congener, but as 
the seeds of none of these plants are known, it remains as yet very 
uncertain whether they really belong to Rhynchospermum. 
10. Aganosma? Zævis, Champ., sp. n.; glabra, foliis oblongis lanceola- 
(09! tisve utrinque angustatis, corymbis wienn ds; calyce eglanduloso, 
tubo corollæ multo breviore, ovariis brevissimis nectarium superan- 
tibus.— Caulis scandens. Folia 2—3-pollicaria, crassiuscula, pauci- 
venia. Corymbi pedunculati, laxiusculi, multiflori. Bractee parve, 
acute. Corolle tubus 2 lin. longus, intus pubescens, lobis angustis 
obliquis supra pubescentibus. Stamina prope basin tubi inserta, 
filamentis brevissimis. Nectarium truncatum, minute 5-dentatum, 
Ovaria 2, distincta, stylo brevissimo, stigmate? subsessili crasso 
oblongo apice minute acuminato et bilobo. 
In a ravine. Flowers white. It was gathered also by Mr. Hinds, 
but in very young bud only, and I formerly thought it might be the 
Holarrhena affinis of Hooker and Arnott; but Major Champion's speci- 
mens are in good flower and do not agree with their description. I 
refer it to Æganosma, of which it has the inflorescence and flowers, but 
until the fruit is known it will be impossible to determine its ~~ f 
with certainty. 
11. Ecdysanthera rosea, Hook. et Arn. Bot. Beech. p. 198. t. 42. 
Ravines at West Point, in the Happy Valley. Flowering about May. 
12. Pottsia Cantoniensis, Hook. et Arn. Bot. Beech. p. 199, t. 43. 
Hong Kong. 
(To be continued.) 
Notes on the Sandwich Islands; by BERTHOLD SEEMANN. .— 
Of the twelve islands which compose the Sandwich, or as it is now 
generally termed, the Hawaiian Group, Oahu is one of secondary mag- 
nitude, covering a superficial area of 530 square miles. It owes its 
origin to volcanic action and the busy operation of corals, and is tra- 
versed from north-west to south-east by a ridge of steep mountains, 
the summits of which are nearly always enveloped in clouds or deluged P 
with rain. Numerous streams descend from these heights, sometimes E 
