8 FLORA VITIENSIS. 
globosa ovata v. obovata, a latere sepe compressa; valve coriaces v. sublignosz, indivise, semisepta 
placentifera medio gerentes. Semina crassiuscula, exalata, in liquore viscoso sepius nidulantia, 
leevia.—Frutices v. arbusculæ, seepius sempervirentes, glabri v. rarius tomentosi, erecti, foliis integris 
v. sinuato-dentatis in speciebus nonnullis seepe ad apices ramulorum subverticillatis; floribus nunc ter- 
minalibus confertim corymbosis subumbellatis v. paniculatis, nunc solitariis v. paucis, terminalibus 
axillaribus v. lateralibus. 
1. P. arborescens, Rich in A. Gray, Bot. Wilkes, p. 223; glabrum; folis chartaceis 
obovato-oblongis seu oblongis obtusis basi acutis longiuscule petiolatis margine subundulatis; pedun- 
culis glomerato-multifloris; calyce 4—5-fido; petalis coalitis; capsula levi subglobosa bacciformi 
bivalvi co-sperma, valvis crassiusculis dorso sulcatis; seminibus lenticularibus pallide purpureis.— 
Viti, particular habitat not recorded (U. S. Expl. Exped.); also in the Tongan Islands (U. S. 
Expl. Exped.). 
2. P. Richii, A. Gray, Bot. Wilkes, p. 224; glabrum; foliis lanceolato-oblongis utrinque 
acutis v. acutiusculis; pedunculis ferrugineo-hirtellis multifloris, floribus glomerato-cymosis; calyce 
obtuse 5-fido glabro; ovario tomentoso; capsula subglobosa leviuscula bivalvi, valvis coriaceo- 
lignosis dorso convexis; seminibus ovalibus atris.— Vanua Levu (U. S. Expl. Exped.), Ovalau (See- 
mann ! n. 55). 
3. P. Brackenridgei, A. Gray, Bot. Wilkes, p. 225. t. 17. fig. A; glabrum; foliis ovali- 
oblongis seu ellipticis obtusis basi acutis; pedunculis (fructiferis) binis ternisve terminalibus 1-floris 
petiolum haud superantibus; capsula subglobosa leviuscula bivalvi, valvis coriaceo-lignosis dorso 
convexis; seminibus subglobosis atris.—Macuata, north coast of Vanua Levu (U. S. Expl. Exped.), 
Viti Levu, Ovalau, and Moturiki (Seemann! n. 56), Nairai and Matutla (Milne!). : 
4. P. tobiroides, A. Gray, Bot. Wilkes, p. 226. t. 17. fig. B ; glabrum; foliis elliptico- 
obovatis obtusissimis subretusis basi acutis; pedunculis (fructiferis) terminalibus solitariis 1-floris 
petiolum bis superantibus; capsula globoso-subtetragona levi bivalvi, valvis crassissimis coriaceo- 
lignosis dorso convexis; seminibus subglobosis atris.—Somosomo, island of Taviuni (U. S. Expl. 
Exped.). : 
5. P. Pickeringii, A. Gray, Bot. Wilkes, p. 227; glabrum; foliis oblongis v. oblongo-lan- 
ceolatis utrinque acuminatis margine undulatis; pedunculis terminalibus in umbellam digestis graci- 
libus apice umbellatim plurifloris; calyce abbreviato 5-fido; petalis discretis ; ovario ovoideo 5-locu- 
lari basi attenuato substipitato, loculis 6-ovulatis; stylo brevissimo; capsula ovato-globosa leviuscula, 
2-valvi, valvis crassissimis coriaceo-lignosis dorso convexis, seminibus compressis atris.— Viti, precise 
habitat not recorded (U. S. Expl, Exped.), Taviuni (Seemann! n. 53), Kadavu (Seemann! n. 54), 
where it is called ** Tadiri" by the natives. 
6. P. rhytidocarpum, A. Gray, Bot. Wilkes, p. 228. t. 18; glabrum; foliis oblanceolatis seu 
obovato-oblongis breviter acuminatis basi attenuatis; floribus in umbellas sessiles terminales con- 
gestis; calyce abbreviato 5-sepalo; petalis coalitis; ovario tomentuloso haud stipitato ; stylo longi- 
usculo ; capsula oblonga lignosa crassissima tuberculato-rugosissima bivalvi; seminibus compressis. 
—Ovalau, Macuata, and north coast of Viti Levu (U. S. Expl. Exped.), Namara, Viti Levu (See- 
mann! n. 52), Viti, exact habitat not recorded (Harvey !). 
Orvo IX. PORTULACEZE. 
I. Portulaca, Linn. Gen. n. 603; Benth. et Hook. f. Gen. p. 156. Sepala 2, basi in tubum 
ovario adnatum coalita (v. toro concavo imposita ?) , superne libera, decidua. Petala 4—6, libera v. basi 
