9 



"Pamakani"; like several other species, it is used medicinally by 

 the Hawaiians, who make a decoction of the foliage, 



10. \'. robusta var. Mauiensis Rock. Described in College of 

 Hawaii Bulletin i, 1911, p. 6. 



Habit as for the species. Leaves with hirsute midribs. Blade 

 oblong, ovate, subcordate, or truncate. Petioles hirsute, 1.5-2.5 

 cm. Stipules triangular from a broad base, acuminate, ciliate 

 on the margins. Peduncles bibracteate, hirsute, 2-4 cm. long, 

 one-flowered, (never two) in the axils of every leaf. Calyx hir- 

 sute, linear-lanceolate, acuminate. Petals pinkish. Capsule 

 1.5 cm. long. Seeds ovoid, blackish. 



Recorded only from the middle slopes of Mount Hale-a-ka-la, 

 island of Maui, at altitudes of 3,500-5,000 feet. In semi-xero- 

 phytic gulches. Native name " Pamakani'^; used medicinally. 



11. V. robusta var. Wailenalenae Rock. Described in College 

 of Hawaii Bulletin i, 191 1, p. 6. 



Stem 1-2 m. high, the branches as well as the stems hollow. 

 Stipules light brown, broadly lanceolate, acuminate, about 3 cm. 

 long, denticulate or serrate almost to the base. Leaves thick, 

 fleshy, light green underneath, darker above; 9-10 cm. long by 

 3-4 cm. broad; ovate, acuminate at base and apex, serrulate with 

 the base entire; midrib and petiole dark purple; petiole 4 cm. long. 



Flowers in the axils of the upper leaves; single or two on a short 

 bi-bracteate peduncle. Pedicels 4-5 cm. long, bi-bracteolate 

 above the middle. Flowers nodding; sepals gibbous at the base, 

 I cm. long. Petals white, not fragrant ; twice as long as the sepals ; 

 the lower saccate. Anthers apiculate, all winged. Style curved, 

 thickening toward the stigma. Capsule hirsute when young. 



Recorded only from the high, swampy plateau of Wai-ale-ale, 

 island of Kauai, along Wai-lena-lena Stream, altitude 4,500 feet. 



12. Isodendrion pyrifolium Gray. Described in the Botany of 

 the United States Exploring Expedition, 1854, p. 93, pi. 8. 



A spreading shrub, 2-3 feet long, the wand-like branches with 

 short branchlets. The branchlets are foliose near the apex and 

 covered for some distance below with narrow, lanceolate or 

 subulate, silky-haired converging stipules, i3^-2 in. long. 

 Leaves membranous, pubescent when young, ovato- or elliptico- 

 oblong, obtuse, crenate, 1^-2 in. long by i^.4-1 in. wide, on peti- 

 oles of 3-5 lines. 



