103 



KEY TO THE SPECIES OF CYANEA. 



PALMAEFORMES Hillebrand 



Corolla nsually larui^ rieshy, peduuoles long droopini;- or short and densely 

 clustered around the stem ; calyeine lobes of variable leugtJi, leaves lartje, undi- 

 vided (or lobed but then only in the young' state) ; berries large ovoid-oblong, 

 yellowish or purple. — Stem or trunk usually undivided, straight, unarmed, or 

 muricate, foliose at the apex, of palm-like habit. The i)lants reach a height of 

 from 1 m to 14 m. 



Palmaeformes. 



Peduncles long droojiing, up to '!2 cm long. 



Calyeine lobes oblong, coriaceous, as long or longer than tlie tube. 



Peduncles longer than the leaves, bracts foliaceous Cyanea superba 



Peduncles shorter than the leaves, but longer than the petioles, corolla grayish, 



velvety tomentose Cyanea regina 



Calyeine lobes short, triangular or minute tooth-like. 



Corolla broad arcuate, purfdish black, glabrous; leaves broadly oblong, acuminate, 



sinuately lobed at the base Cyanea GiffardU 



Corolla white, slender, suberect; leaves oblong, sessile Cyanea arborea 



Peduncles short, up to 5 cm. 

 Leaves sessile. 



Calyeine lobes 6 cm long, filiform, corolla semierect slender, reddish 



Cyanea leptostegia 



Calyeine lobes as long as the tube, 2 cm, broadly obtuse, corolla tleshy suberect, 



hamatiform at the apex, magenta reil Cyanea hamatiflora 



Leaves petiolate. 



Calyeine lobes short triangular, 4 mm long. 



Corolla glabrous, bluish below, greenish yellow above, thick fleshy 



Cyanea procera 



Calyeine lobes foliaceous. 

 Calyeine lobes smooth, 



Calyeine lobes one nerved. 



Calyx and corolla deep purplish-black erect. 



Staminal column hispid Cyanea atra 



Staminal column glabrous Cyanea Glbsonii 



Calyx thin, green, hispid, peduncle multibracteate from the base. 



Calyx and corolla hispiil, the latter 6 cm long, staminal column 



hispid Cyanea tritomantha 



Calyx puberulous, corolla smaller, glabrous, ]ial«' wii-.e colored; 



staminal column glabrous Cyanea truncata 



Calyeine lobes several nerved. 



Calyeine lobes broad foliaceous, connate, corolla scabrous hispid, dark 



purjile Cyanea solenocalyx 



Calyeine lobes not connate, green, 



Calyeine lobes acute, 15-18 mm, corolla a dirty white hirsute, and 



hidden Cyanea Wailauensis 



Calyeine lobes 4 cm long emarginate, corolla dark jmrjile, hirsute, 

 leaves narrowing into a short petiole... Cyanea macrostegia 

 Calyeine lobes ilensely muricate, corolla 6-6.5 cm long, strongly muricate 

 outside Cyanea aculeatiflora 



DELISSEOIDEAE Hillebrand 



Calyeine lobes mostly minute tooth-like (Cyanea any list I folia. (!. Ilardyi, 

 C. Fauriei, C. coriacea, ('. comata. and C. spathulata), or the triangular lobes 

 one-third to one-half the length of the tube {Cyanea obtusa, C. Mannii) ; tube of 

 corolla suberect and slender, pale lilac, or arcuate (as in Cyanea comata), not 

 exceeding three mm in width ; berry globose. — I'narmed shrulis, branching or 

 single stemmed, or sparinuly branching, the branches ascending, leaves entire, 

 not lobed, but dentate to serrate or crenate: young plants generally with a 

 simple stem. 



Of the eight species belonging to this section, one {Cyanea an {justi folia) 

 occurs on Oahu with two varieties, while a third variety occurs on Lanai, and a 



