HO SANDWICH ISLANDS. [Elaocarpea. 



Ord. lix. hepatic^;. 



1. Jungermannia multifield. Linn. 

 . 2. Jungermannia Phyllanthus. Hook. Muse. Exot. t. 95. 



3. Jungermannia bicuspidata, var. Linn. 



4. Jungermannia conchifolia; exstipulata csespitosa, foliis bifariis equaliter bilobis, lobis 

 conduplicatis concavissimis integerrimis, fructu ? (Tab. XXIII.) 



In habit and mode of growth, much resembling the J. cochleariformis of Europe, and the J. sphagnoides 

 of St. Helena, but totally different from both in the structure of its leaves. 



Tab. XXIII. Fig. 1, Portion of a branch; fig. 2, leaves: — magnified. 



5. Jungermannia trilobata. Linn. — Hook. Brit. Jung. t. 76. 



Ord. LX. LICHENES. 

 1. Sticta dissecta. Sw. Lick. Americ. t. 8. Gaud, in Freyc. Voy. p. 200. 



1. Peltidea venosa. Ach. 



2. Peltidea aphthosa? Ach. 



1. Usnea hirta. Ach. 



2. Usnea jlorida. Ach. 



1. Stereocaulon ramulosum. Ach. — Gaud, in Freyc. Voy. p. 211. 

 1. Cenomyce fimbriata. Ach. 



Ord. LXI. ALG.E. 

 1. Sargassum vulgare. Ag. — Fucus natans. Linn. — Turn. Hist. Fuc. t. 46. 

 The other Alga are too imperfect to be determined. 



The following plants, which seem to be also from Oahu, were found in a separate part of the Collection. 



PITTOSPORE^. Brown. 



1. Pittosporum glabrum; foliis oblongo-obovatis obtusis basi attenuatis utrinque glaber- 

 rimis supra nitidis, cymis axillaribus pedunculatis paucifloris, floribus glabris. 



This species is very closely allied to P. revolution, but is glabrous in every part. The fruit is as large as 

 a hasel nut, bursting longitudinally. 



EL^OCARPEiE. Juss. 



1. Elseocarpus bifidus; foliis ovato-acuminatis remote serratis longe petiolatis, racemis 

 axillaribus laxifloris, petalis apice bifidis. (Tab. XXIV.) 



Arbor, ramis intense fuscis subrugosis, junioribus apicibus gummiferis. Folia digitalia, ovato-acuminata, 

 subcoriacea, utrinque glaberrima, penninervia, remote serrata, serraturis appressis, longe petiolata. Raceme 

 axillares, petiolo longiores, 5-€-flori. Calyx 5-sepalus, sepalis ovato-lanceolatis, acutiusculis, intus pubes- 



