New Hawaiian Plants — VIl 



By Charles N. Forbes. 



In classifying and incorporating the Hawaiian botanical material 

 at the Bernice P. Bishop ]Museum Herbarium, the plants on which 

 the present paper is based seemed to be sufficiently distinct to be 

 described as new species. \\'ith the exception of the Hibiscadelphus, 

 which was collected many years ago by Dr. Wm. Hillebrand and 

 sent l)y him to Horace Alann, all of these species have been col- 

 lected by the author since 1908. 



Hibiscadelphus bombycinus, sp. nov. 



PLATE ni. 



- Tree or shrub? Leaves reniform or somewhat orbicular in outline, 

 obscurely five lobed with the lobes repand above, deeply cordate with the 

 lobes overlapping at the base, rounded at the apex, stellate pubescent on 

 both faces, especially below, 7-8.7 cm. long, 6.5-8.2 cm. wide ; petioles pube- 

 scent, 4.2-5.2 cm. long. Flowers single, on pedicels of 2.1-3 cm. in length. 

 Involucral brats strap-shaped, rounded at the apex, 9 mm. long, 2-3 mm. 

 wide, stellate pubescent. Calyx cup-shaped, 6-toothed, or lobed, stellate 

 pubescent on the outside, 1.2 cm. high. Corolla slightly curved, hardly 

 opening, densely stellate pubescent, the nerves prominent, 3.4 cm. long. 

 Staminal column scarcely exserted. Capsules woody, either globular and 

 2.9 cm. high, or obovoid and 3.2 cm. high, dense stellate hirsute on the 

 outside. Seed covered with yellowish hair. 



Type in the B. P. B. I\I. Herbarium, collected at Kawaihae-uka, 

 (inland) Hawaii, T. H., by Wm. Hillebrand, not numbered; formerly in the 

 Mann and Brigham Herbarium. 



This species is closely related to H. Jiualalaicjisis Rock, but 

 differs in the strap-shaped involucral bracts, and smaller leaves. 



The type sheet bears a label in Hillebrand's handwriting, re- 

 ferring the speciiuen to "Hibiscus section Bombycina," and also two 

 envelopes containing capsules. Most of these capsules resemble 

 those of H. luialalaiciisis Rock, but one in better condition than the 

 others is similar to those of H. Giiifardioiiiis Rock. Hillebrand 



'Continued from Occ. Papers, B. P. B. ^l. Vol. IV, ^, 4: V. i ; VI. i, 3. 4. 



[3] 133) 



