10-t 



fourth on Maui. Four species {Cyanca coriacea, C. Ilardyi, C. Faurici and 

 (J. spathulata) occur on Kauai; one, very close to C. angustifolia {Cyanea 

 Mannii) occurs on ilolokai, while ('. coiiiata and C. ohtusa occur on ^Inui, the 

 latter species has been doubtfully recortled from Hawaii. 



Delisseoideae. 



Calycine teeth minute shorter than tlie tube. 

 Leaves entire, dentate, serrate or creuulate. 

 Corolla subereet slender, glabrous. 



Racemes longer than the petioles. 

 Petioles 7-11 em long. 



Leaves oblong, serrulate, membranous, 16-20 em long 



Cyanea angustifolia 



Leaves obovate-nblong, acute or subtruucate at the base, 2'2o'2 cm 



long, racemes 22-26 cm long Cyanea Fauriei 



Petioles margined 4-7 cm long. 



Leaves linear spathulate, 20-35 cm long, decurrent, racemes long 

 slender about 20 cm, corolla dark purple.. Cyanea Hardyi 

 Eacemes shorter than the petioles. 



Leaves obovate-obloug, coriaceous, 30 cm long, 8 em broad, racemes 2.5 



cm Cyanea coriacea 



Leaves linear spathulate, 10-22 em long, 1.5-2,5 cm wide 



Cyanea spathulata 



Corolla slender strongly areheil, larger than in the other species 



' Cyanea comata 



Calycine teeth one-third as long or longer than the tube. 



Leaves glabrous, calycine lobes one nerved, corolla glabrous.. Cyanea Mannii 

 Leaves with a gray tomeutum, calycine lobes one-half as long as the tulie or shorter,, 

 corolla pubescent Cyanea obtusa 



HIRTELLAE Rock 



Calycine lobes dentiform (C. Larrisonii), to triangular, acute, and subulate, 

 as long as or longer than the tube; corolla tomentose, erect, subereet, or curved, 

 slender or broad ; berry larger than in Delisseoideae. purple or yellow, pyriforni, 

 obovoid, ovoid, or globose. — Unarmed shrubs, either branching (C. fissa, (J. Knucl- 

 senii), or simple stemmed and only in one instance occasionally branching from 

 the base {Cyanea rivitlaris). All eight species of this section, of whic/( C. hirtella 

 is the type, occur on the island of Kauai ; they have all the tomentose corolla in 

 common, 



Hirtellae. 



Calycine lobes shorter thnii the tube. 

 Racemes long, 6-10 cm. 



Corolla blue with pale streaks, broad, fleshy Cyanea rivularis 



Eacemes shorter. 



Leaves hirtellous. 



Petioles 4-10 cm in length. 



Leaves broadly obovate, obtuse at the ai)ex, corolla slender, i-urved, bluish 



" Cyanea Knudsenii 



Leaves lanceolate, acute at both ends, corolla purple 



Cyanea hirtella 



Petioles 1.5-3 cm in length. 



Peduncles stout multi-bracteate from the base, corolla subereet. 



Leaves oblong, Iduntly acuminate Cyanea Gayana 



Peduncles slender, with small subulate bracts, corolla straight. 



Leaves linear-lanceolate, acuminate at both ends 



Cyanea recta 



Leaves glabrous. 



Leaves linear, dark green above, pale-whitish underneath, 23 em long, 12-20 

 mm wide. 



Peduncle 1 em, corolla dark bluish-black Cyanea Larrisonii 



Leaves broadiv obovate oblong, pale green on both sides, creuulate, ijeduncle 



many-flowered Cyanea sylvestris 



Calycine lobes longer than tlie tube. 



Eacemes up to 6 em long, corolla subereet, purjile Cyanea fissa 



