251 



OAHU: lies Sandwich, Gaudic'h;iad no. 143 in herbarium Museum Paris; — 

 Mann and Brigham no. 201 in lierbarium University Cornell; — U. S. Exploring 

 Expedition in Gray Herbarium; — on both ranges, Hillebrand in Herbarium 

 Berlin and herbarium Bishop Museum: — Konahuanui, WawTa nos. 1719 and 

 2354 in Herbarium Vienna; — Pauoa Valley, flowering January 7, 1909, Rock no. 

 1061 in the herbarium of the College of Hawaii ; — Pauoa Valley, fruiting April 

 20, 1912, Rock no. 102o5 in the herbarium of the College of Haw-aii; — Manoa 

 cliff trail, flowering October 10, 1914, Rock no. 10349 in the herbarium of the 

 College of Hawaii. 



MOLOKAI: Wailau Valley, observed witliout flower or fruit, March 1910, 

 Rock. 



Cyanca Grimcsiana, the type of the genus Cyauca, is not uncommon on the 

 lower valley slopes of Oahu at an elevation of 1200-1500 feet, Init owing to the 

 approach of foreign vegetation, especially Paspalum conjiigatutu. into the regions 

 of its habitat it has of late become very scarce. 



Asa Gray's var ? citrulJifoIia from ]Mauna Loa and ]Mauna Kea, Hawaii, is 

 nothing but a young plant of ('ijaiua Irihniianlha Gray, which is very common 

 in these regions. The writer has observed Inindreds of young plants of that 

 species identical with Gray's var. citruUi folia in the forest of Naalehu, southern 

 slopes of ilauna Loa, under adult plants of Cyauca tritdininiflta. 



Cyanea Grimesiana mauiensis Rock 



Cyaiica Griincsiano fS. \ar. Hillebr. Flora Hawaii. Isl. 2.^8. 1888. 



(Plate ]:«).) 

 Pinnae larger and broader, laeiniate, decurrent along the rhachis; calyx tube 

 cylindrical, the lol)es twice as long, 24-3(3 nun; corolla almost white. 



JIAUI: West .Maui, Olowalu, flowering August 1870, Hillebrand in Her- 

 barium Berlin; — Waikapu Valley, without flower or fruit, April 1910, Rock no. 

 10265 in the herbarium of the College of Hawaii. 



LANAI : Ravine in mountains, moist woods, flowering Septenfl)er 22, 1916, 

 A. S. Hitchcock no. 14703 in the U. S. National Ilei-lnii'inm and (fragment) in 

 the herbarium of the College of Hawaii. 



This variety was previously not reported from Lanai. 



Cyanea Grimesiana Lydgatei Rock 



Cyaiica Griiiwsiaiia y \ar. llillebr. Flora Hawaii. Isl. 2,^8. 1888. 



(Plate 140.) 



"Pinnae sinuately notched, contracted at the base; calyx tube short cylin- 

 drical, S nun long, the lobes 12-16 mm long." 



MAUI : IMakawao, Hamakua, flowering, Lydgate no. 62 in Herbarium Berlin. 

 Not known to the writer save from the type in the Berlin Herbarium. 

 Cyanea Grimesiana cylindrocalyx Rock in Torrey Hot. CI. Bull. 44:23.t, pi. 16, 



vn7. 



(Plate 141.) 

 Leaves pinnate at the base, pinnatiseet towards the apex, the pinnae sinu- 

 ately notched or lobed, the lobes denticulate ; calyx tube long, cylindrical, 2.5- 

 3.5 cm, including the ovarian portion, irregularly lobed, the lobes of uneven 

 length from 4-10 mm; corolla more or less hidden in the calyx tube, dark purple; 

 the upper anthers not bearded. 



