Rock, 1905, flowerbuds Oct. 20, 1911. Named in honor of Mr. Francis Gay of 

 Kauai to whona the writer is greatly indebted for extended hospitality on Kauai, 

 and without whose aid the writer would have been unable to make such a 

 thorough botanical survey of that part of Kauai. 



Type in Herbarium, Board of Agriculture and Forestry, T. H. 



Cyanea rivularis Rock sp. n. 



A shrub 4-5 cm high, stem simple or branching at the base, leaf whorls at the end 

 of the tomontose branches; leaves linear oblong bluntly acuminate at both ends, crenate 

 or serrate with callous teeth; 20-30 cm long, by 3-8 cm wide; pubescent above, densely 

 velvety tomentose underneath, and pale; on tomentose petioles of 4-8 inches; whole in- 

 florescence tomentose including the blue corolla; peduncle 4-8 cm long, naked two-thirds 

 of its length, mauy flowered, the pedicels 1-1.5 cm, bracts linear subulate; calyx dark 

 purplish green, its teeth sharply triangular, corolla 3 cm long, light pale to whitish with 

 dark ultramarine blue streaks, velvety tomentose with short white hairlets, the dorsal 

 slit extending one-third its length, curved with a knob in the bud showing the termina- 

 tion of the dorsal slit, lobes short; staminal column glabrous, white, anthers bright blue, 

 slightly pubescent at the base, only the two lower ones penicillate, stigmatic lobes pubes- 

 cent outside; berry dark bluish-black, globose 1-1.5 em in diameter, crowned by the caly- 

 cine teeth, seeds whitish large, and somewhat minutely wrinkled. 



Kauai: — Mts. above Waimea along streambeds at the high plateau only, elev. 

 4200 ft. or more. The banks near the head of Waialae stream are covered 

 with this species their palm-like stems gracefully waving in the wind. Also 

 near Waiakealoha waterfalls (Rock no. 5365, Waiakealoha, Sept., 1909, 

 flowering, and Waialea stream; Rock no. 9010 flowering and fruiting 

 Oct 15, 1911). Abundant in company with Lobelia hypoleuca, Cyanea 

 Gayana, etc. 



Cyanea atra Hbd. var. lobata Rock v. nov. 



Erect single stemmed with subentire and lobed leaves, petiole muricate, 6-7 cm, leaves 

 coriaceous, when not lobed the margin is almost fringed; or lobed iregularly deeply but 

 ijot to the rhachis; tuberculate above, covered with an olivaceous tomentum underneath; 

 peduncle longer than in the species, 3-4 cm, many flowered bracts and bractlets as in 

 species; pedicels 15-18 mm; calyx and corolla as in the species, the staminal column and 

 anthers glabrous. 



Maui: — Upper ditch trail leading from Ukulele, elevation 5000 ft. to Wai- 



kamoi gulch in dense rain forest. Only few plants observed, when in company 



with Mr. L. v. Tempsky of Makawao, (Rock no. 8337, flowering October, 1910). 



Clermontia multiflora var. micrantha Hbd. 

 forma montana Rock f. n. 



A shrub 2-3 m high, many branched; leaves smaller than in the variety, thick cori- 

 aceous, veins and denticulate margins pink as is the petiole; flowers somewhat larger, 

 pinkish-purple, calyx lobes glabrous, corolla slightly hirtellous, peduncle usually 2-flowered. 

 berry 1.5 cm or more long, not subglobose, but ovoid oblong. 



Maui : — On the highest ridge leading to Puukukui, West Maui Mountains, in 

 swampy forest at an elevation of 4600 ft. Rock and Hammond, flowering and 

 fruiting, August, 1910, no. 8179, in Herbarium, College of Hawaii. Differs 

 from var. micrantha in the two-flowered peduncle and in the larger ovoid-oblong 

 fruits. 



511 



