255 



HAWAII: Wiiipid Bay, December 1851. without flower or fruit. J. Remy no. 

 309 in heriwrium Museum Paris; — Waipio Valley, Waima liranch, flowering 

 July 16, 1909, Rock no. 4(529 in the herbarium of the College of Hawaii. 



A distinct variety, ilift'ering in the very shortly and unevenly lobed, cylin- 

 drical calyx, and in the upper anthers which are not bearded; the leaves are not 

 openly pinnate, but closely pinnate in the lower portion and pinnatiseet in the 

 middle and upper portions of the leaf. 



SUBSECTION SCABEAE. 



Cyanea scabra llillebr. Flora Hawaii. Isl. 256. 1888. 



Cxaiica aruiata Hillebr. sp. n. MSS. 



(Plates 46, 142.) 

 Original description: "A small shrub, 1.3 m high, the erect branches 

 prickly toward.s the ends ; leaves broad, obovato or elliptical-oblong, 25-35 em by 

 8.75-12.5 em, on petioles of 6.25-10 cm, shortly acuminate at both ends or obtuse 

 at the l)ase, the undulating margin denticulate, ribs and veins faintly hispid 

 underneath and sparsely covered, as well as the petiole, with short conical spines 

 or tubercles, membranous; peduncle 5-7.5 cm hispid and muricate numy flowered 

 from the base, pedicels slender, 12-16 mm ; bracts linear-oblong 8 mm, occasion- 

 ally foliaceous; calyx sparsely hispid, the tube obconical 5-6 mm. the lobes of the 

 same length or a little longer, obtuse, 1-3-nerved; corolla curved 5 em long, 5 mm 

 wide, with the dorsal slit extending less than half its length, hispid, the lobes 

 muricate, whitish, with lilac streaks ; stamens glabrous, the upper anthers re- 

 curved I' and scantily ciliate at the apex?)." 



ilAUI: West :\Iaui. Kaanapali, 1500-2000 feet, August 1870, Ilillebrand in 

 Herbarium IJerlin; — Valley of "Waihee in dense shade near streambed, flowering 

 September 5, 1918, Rock and Hashimoto no. 13129 in herliarium College of 

 Hawaii. 



Cijaiiea scabra is a very variable species, which extends from West to East 

 Maixi mainly on the windward side. The writer has collected this species in the 

 Valley of Waihee near the riverbed, where it grew in company with Cyanea 

 hoJopliijUa. from which it seems only to ditfer in the glabrous corolla and spine- 

 less stem and leaves; the flowers of Cyanea scabra are pure white and strongly 

 hispid. 



In the Ilillebrand Herbarium there is a specimen from ^laui labeled Cyanea 

 scabra sp. n. var. inermis; the corolla lobes are. however, not muricate, which 

 fact lu'ings this plant closer to Cyanea platyphyUa than to Cyanea scabra. 



The various forms of Cyanea ticabra occurring on East ^laui may be described 

 under the variety name variabilis. 



Cyanea scabra variabilis Rock var. nt)v. 



(Plate 14.3.) 



Leaves obovate or oblong, entire or sinuate, or deeply lolied, obtuse or acumi- 

 nate at the apex rounded, truncate or decurrent at the base, 20-36 cm long, 8-14 

 em wide, on petioles of 5-12 cm, with sparingly scattered conical spines; flowers 

 white not hispid, lobes muricate; fruit ovoid, truncate at the apex orange-yellow, 

 on pedicels 1.5-2.5 cm, crowned by the narrow, acute calyciue lobes. 



MAUI : Upper ditch trail. East ilaui, Kailua, flowering November 18, 1908, 

 H. L. Lyon no. 10259 in the herbarium of the College of Hawaii ; — Honomanu 

 Valley, I\Iay 1911, Rock no. 8789-a, and Keanae Valley, fruiting ]\Iay 1911, Rock 

 no. 8798 in the herbarium of the College of Hawaii ; — Ilouonumu VallcA-. fruit- 



