OF ARTS AND SCIENCES : SEPTEMBER 11, 1866. 167 



146. SiCTOS (Sictocarta) microcaepus (sp. nov.) : foliis cor- 

 dato-rotundis obtuse 4-6-angulatis serratis dentibus mucronulatis supra 

 papilloso-scabridis subtus hispidulo-puberulis ; pedunculis masculis elon- 

 gatis paucifloris, foemineis brevissimis ; fructibus perplurimis pusillis 

 ovato-pyramidatis rostrato-apiculatis inermibus puberulis in capitulum 

 globosum arete congestis. — Oahu. — Stem slender, strongly angled. 

 Leaves on slender petioles of more than their own length, 1 to 2^ 

 inches in diameter, membranaceous. Male panicles on very slender 

 axillary peduncles, exceeding the leaves in length. Female flowers 

 30 to 40 in a head ; the fruit but 2 lines long, and quite sessile on the 

 apex of a peduncle only 2 or 3 lines long. — Known only from Remy's 

 collection. (Remy, 541.) 



Papayacece. 



147.* Papaya vulgaris, DC. in Lam. Diet. vol. 5, p. 2. Carica 

 Papaya, Linn.; Gray, Bot. S. Pacif. Expl. Exp. 1, p. 640. 



BegoniacecB. 



148. HiLLEBRANDiA * Sandwicensis, Oliver, in Trans. Linn. Soc. 

 25, p. 362, t. 46. An interesting new genus, of a single species, first 

 collected by Mr. Baldwin, of Lahaina, W. Maui, in the mountain val- 

 leys behind that town, where also Hillebrand obtained his specimens ; 

 seen abundantly and collected by us on the mountains of Kauai. (M. 

 & B. 583.) 



Umbelliferce. 



149. Hydrocotyle interrupta, Muhl. ; Gray, Bot. S. Pacif. 

 Expl. Exp. 1, p. 692. (M. & B. 28.) 



* HILLEBRANDIA, Oliver, 1. c. " Flores monoici. Masculi : Sepala 5. 

 Petala 5, parva, cucullata, sepalis alterna. Stamina indefinita, filamentis liberis, an- 

 theris oblongis ellipticisve muticis rima niarginali dehiscentibus. Fceminei: Calyx 

 tubo hemisphoerico exalato, limbo perigyno 5-partito. Petala 5, eis fl. masc. 

 similia, perigyna, lobis calycis alterna. Styli 5, distincti, persistentes, lobis calycis 

 oppositi, bifurcati, lobis spiraliter stigmatosis. Ovarium apice liberum, hians, sub- 

 uniloculare ; placentis 5 parietalibus bilamellatis utrinque ovuliferis plus minus 

 basi irregulariter coalitis. Capsula membranacea, vertice exserta, foramine lato 

 inter stylos aperta. Semina indefinita, oblongo-obovoidea, exalbuminosa, testa areo- 

 lata; embryone cotylcdonibus brevibus, radicula obtusa. — Herba habitu omnino 

 BegonicE : dlfFert floribus petaliferis, placentatione atque capsula apice hiante indehis- 

 cente." 



