84 



of Niu Valley, Oahu, at an elevation of 1200 feet (August 22, 

 1909). The species is named in honor of Mr. O. H. Swezey of 

 the Hawaiian Sugar Planters' Exi eriment Station, 



Pittosporum Hosmeri Rock Bull. Torr. Bot. Cl., 37:297, 1910. 



Arbor 6.5-10 m. alta, ramis robustis; folia coriacea, 90-125 

 mm. longa, 18-38 mm. lata, oblanceolata, obtuse acuminata, supra 

 glabra, subtus lanuginosa, petiolo tomentoso 12-25 mm. longo; 

 capsulae maturae 3 aut 4 in pedunculo 12-20 mm. longo, lig- 

 nosae, glabrae, oblongo-subquadrangulatae, 55-75 mm. longae, 

 45 mm. latae ; semina nigra, rugosa, 6-7 mm. diam. 



A tree 6.5-10 m. high, with a straight trunk and rather stout 

 branches, young shoots pubescent; leaves crowded at the ends of 

 the branches, coriaceous, 90-125 mm. X 18-38 mm., oblanceolate, 

 bluntly acuminate, the upper side glabrous and wrinkled with a 

 close net-work, covered underneath with a silvery gray wool, 

 entire, gradually narrowing into a pubescent petiole of 12-25 

 mm. ; open mature capsules single or 3 or 4 on a woody peduncle 

 of 12-20 mm. and pedicels of 2 mm., thick-woody, oblong to sub- 

 quadrangular, 55-75 mm. X 45 mm., opening into two, three, 

 or sometimes four valves with a longitudinal median groove, 

 glabrous when old, covered with a grayish brown wool when 

 young; endocarp bright orange-colored, seeds black, rugose, 6-7 

 mm. in diameter. The fruits exude a milky glutinous sap. 

 FloWers not collected. 



This tree is rather common on the lava fields of Puuwaawaa, 

 Hawaii, at an elevation of 3000 feet. The species is remarkable 

 for the unusually large, woody capsules which open into two, 

 three, and sometimes four valves. (Native name Aawa hua 

 kukui.) 



The type number is 3957 in the herbarium of the Board of 

 Commissioners of Agriculture and Forestry, Territory of Ha- 

 waii. Collected at an elevation of 3000 feet. (/. F. Rock, June 

 17, 1909.) 



Sidei^oxylon rhynchospermum Rock Bull. Torr. Cl. 37 :297, '10. 



Arbor 10-20 m. alta; folia coriacea, obovato-oblonga, 14-18 

 cm. longa, 4.5-8 cm. lata, petiolo 2.5-3 cm. longo, alterna, stipulis 

 0, prorsus glabra, folia novella tomentosa; calyx fere usque ad 

 basin partitus, segmentis 5, acuminatis, imbricatis ; corolla lutea, 

 campanulata, lobis 5 ; stamina glabra, ad basin corollae afftxa ; 

 stylus brevis ; bacca ovoidea, purpurea vel nigra 4.5-5 . 5 cm. X 

 3.5-4 cm.; semina 3-5, testa Crustacea nitida, plana rostrata, 

 25-30 mm. longa, 12-14 mm. lata. 



