228 FLORA VITIENSIS. 
sepe ampliuscule 2-stipulata, longius breviusve petiolata, basi haud raro plus minusve peltata ; 
limbus cæterum ambitu latior aut angustior, vulgo eo angustior quod brevius petiolatus, angustior 
penninervius, latior palmatim 3-7-nervius, subtus seepissime glandulis ceraceis aureis aut dein fuscis 
v. ferrugineis punctiformibus adspersus. Flores dioici; glomerati v. fasciculati, in spicas aut racemos 
axillares simplices v. paniculato-ramosos dispositi, quod numerum partium ludentes; stamina ssepius 
infra 15, in paucis paucissima, 3-2-1. Fructus juniores vulgo carnosuli, maturi autem capsulari- 
aperientes, inermes aut varie armati .—/Mappa, Adr. Juss. Tent. Euph. p. 44, t. 14, f. 44.  Ricini 
sp. Forst. Prodr. 
Besides the species enumerated below, we have the following Macarangas in tropical Polynesia, viz. 
1. M. Taitensis, Müll. Arg., from Tahiti (Bidwill!) ; 2. M. Tanarius, Müll. Arg., from Tana (Capt. Cook!) ; 3. 
AM. Mappa, Müll. Arg. (Ricinus Mappa, Forst. Prodr. n. 356), from Tana (Forster!) ; 4. M. Grayana, Müll., 
from Samoa (U. S. Expl. Exped.); 5. M. stipulosa, Müll., from Samoa; 6. M. Vedeliana, Müll. Arg., from 
New Caledonia ; 7. M. corymbosa, Müll. Arg., from New Caledonia; 8. M. coriacea, Müll. Arg., from New 
Caledonia; 9. M. Vieillardi, Müll. Arg., from New Caledonia; and 10. M. dioica, Müll. Arg. (Ricinis dioicus, 
Forst.) from Tana (Forster!) My n. 420 appears to be a new species with large membranaceous and 
hirsute leaves. z 
1, M. secunda, Müll. Arg. in DC. l.c. p. 996; stipulis triangulari-lanceolatis longe acumi- 
natis; paniculis d censifloris breviter pedunculatis secundis fastigiatis superne squarroso- bracteatis ; 
bracteis infimis sterilibus lanceolatis integris ramulorum lineari- v. anguste ovato-lanceolatis basi an- 
gustatis longe acuminatis inciso-dentatis apice recurvis glomerulorum florum ovatis acuminatis pecti- 
nato-lobatis recurvo-patulis ; floribus ¢ 4-2-andris.— Viti, locality not specified (U. S. Expl. Exped.). 
3. M. membranacea, Müll. Arg. in DC. l. c. p. 996 ; stipulis longissimis lanceolato-linearibus 
subfaleatis sensim acuminatis; limbo basi late peltato v. etiam profunde cordato.— Viti, locality not 
specified (U. S. Expl. Exped.). 
9. M. Harveyana, Müll. Arg. in DC. l. c. p. 998 ; stipulis magnis triangulari-lanceolatis ; flori- 
bus d paniculatis, 9 racemosis v. subpanieulatis; bracteis d$ parvis latis subtruncato-obtusis v. 
abrupte acuminatis integris, 9 inferioribus sterilibus lanceolatis integris fertilibus lanceolato-rhom- 
beis superne inciso-multidentatis dein cuspidato-acuminatis ; floribus ¢ circ. 12-9-andris; calyce 9 
oblongo-ovoideo superne angustato subulato 5-dentato dein spathaceo-rupto ovarium tegente; ovario 
ceraceo-glanduloso ; stylis magnis elongatis longe acuminatis valide longeque papillosis; capsula in 
dorso eujusvis cocci elongata 2-6-echinata.— Mappa Harveyana, Müll. Arg. in Flora Ratisb. 1864, 
p. 467.— Viti, locality not specified (U. S. Expl. Exped.; Seemann! n. 395). Also collected in 
Tahiti (U. S. Expl. Exped.), Tonga (Harvey !), and Samoa (U. S. Expl. Exped.). 
4. M. Seemanni, (n. sp.) Müll. Arg. in DC. 1. c. p. 999 ; limbo foliorum latissime peltato ; sti- 
pulis magnis lanceolatis subscariosis; floribus d glomerato-paniculatis, 9 paniculatis ; bracteis d e basi 
ampliata obovato-lanceolatis apice et margine grosse glanduligeris integris, staminibus 9-6; ovario 
inermi glanduloso-scabro; capsulis parvis ; seminibus globosis tuberculato-asperis.— Viti Levu (See- 
mann, n. 397, 419, Harvey !). Also collected in the Tongan Islands (Capt. Cook ! U. S. Expl. Exped.). 
A tree, 30 feet high. ui 
5. M. macrophylla, (n. sp.) Müll. Arg. in DC. l.c. p. 1001; foliorum limbo profunde cordato 
v. peltato; paniculis ? amplis ; rhachi angulosa; bracteis brevissimis ovatis integris; calyce 9 turbi- 
nato-obconico late aperto margine integro basi sensim in pedicellum abeunte ; ovario ellipsoideo basi 
stipitiformi-angustato inermi brevissime fulvo-tomentello; stigmatibus in corpusculum apicem ovarii 
breviter calyptratim tegens fuscum connatis.—Mappa macrophylla, A. Gray in Herb. Kew. ex Seem. 
Bonpl. 1861, p. 258. Nomen vernac. Vitiense, * Mavu.” —Viti Levu (Seemann ! n. 396). 
A tree, the wood of which is used for temples, and the gum it exudes for arrows,—at least I take two 
phrases in the Fijian Dictionary to mean that,—* E dau drega ni gasau; a kau ni bure kalou.” - 
