Voi. 45 No. 4 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
New species of Hawaiian plants 
JosEpH F. Rock 
(WITH PLATE 6) 
1, Cyanea Giffardii sp. nov. 
A tree 5-10 m. tall with a single trunk 15 cm. in diameter near 
the base, gradually tapering towards the apex, bark smooth, 
grayish green, with scattered leaf-scars, woody zone thin near the 
apex of the trunk, the medullary cavity septate by chartaceous 
diaphragms; leaves obovate-oblong, about 50 cm. long and 12-15 
cm. wide, broadest portion in the upper third, margins strongly 
undulate and minutely denticulate, appearing sinuate, due to 
strong undulation, subentire with exception of the base, which is 
unevenly lobed, acuminate at the apex, mucronate, gradually 
tapering at the base into a stout petiole 3.5-6.5 cn. long, thin, 
subchartaceous, dark green and shining above, pale and dull 
~ underneath, midrib stout and prominent as are the lateral veins, 
the latter arcuate and united with other arcuate veins near the 
margin, the whole surface of the leaf covered with a pellucid reticu- 
late net work, glabrous above, pubescent underneath, especially 
on the midrib and veins; peduncles axillary, drooping, stout, terete, 
glabrous, 10-16 cm. long or slightly longer, about 1 cm. thick, 
distantly bracteate the entire length, the upper bracts linear, 
15-30 mm. long, 3-5 mm. wide, rounded and mucronate at the 
apex, bracts less distant towards the apex and also smaller; 
flowers on pedicels 2-3 mm. long with three small, acute bractlets 
at the base and dorsal side of the flower; calyx glabrous, dark 
purplish black, tube obconical, usually seven-ribbed, with two 
[The BULLETIN for March (45: 93-132, pls. 4, 5) was issued April 1, 1918.] 
