Araliaceae. 



Pterotropia kavaiensis (Mann) Hbd. 

 Ohe ohe. 



PTEKOTEOPIA KAVAIENSIS (Mann) Hbd. Fl. Haw. Isl. (1888) 150;— Harms in Engl. 



et Prantl Pflzfam. Ill, 8 (1898) 31. — Heptapleurnm (Pterotropia) kavaiense 



Mann Proc. Am. Acad. VII (1867) 168;— Del Cast. 111. PI. Ins. Mar. Pao. VI. 



(1890) 183. — Agalma kavaiense Seem. Eevis. Hederac. (1868) 103. — Dipanax 



kavaiensis Heller PI. Haw. Isl. (1897) 871. 

 Leaves impari-pinnate, 6 to 9 dm long; leaflets 11 to 21, ovate oblong, 7 to 19 cm 

 long, 4 to 8 cm wide, on petioles of 2 to 15 mm (the last upper pair of leaflets almost 

 sessile in some specimens, the lowest pair of leaflets much smaller than the others, but 

 on the longest petiolules), acuminate or rounded at the apex, rounded or truncate at the 

 base, coriaceous, sprinkled above, but densely tomentose underneath; panicle large and 

 ample, its 5 primary branches 1 to 3 dm long mostly alternate on a common rhachis of 5 to 

 7 cm, the secondary branches 4 to 7 cm, mostly alternate; petals 6 to 7, rarely 9, densely 

 tomentose especially in the bud; ovary generally 4-celled, or 3 to 5 celled, stigmas on a 

 distinct stylopod of 1 mm; drupe ovoid about 12 mm, ringed below, at, or above the middle, 

 the pyrenae chartaceous. 



This species differs very little from P. dipyrena, and is only distinguishable 

 from the latter in the raised stigmas, the number of which is usually four in 

 P. kavaiensis and two to three to four in P. dipyrena. The characters of the 

 leaves can not at all be relied upon, the leaflets of P. dipyrena varying from 

 linear oblong to ovoid, and are either cordate, truncate or rounded at the base, 

 on petiolules of about 1 mm to 30 mm; the stigmas are more or less sessile in 

 P. dipyrena. 



Pterotropia kavaiensis, in the writer's mind, should be united with P dipy- 

 rena, but as only one good flowering specimen from one locality is at present in 

 his possession, he defers such action until the future, when more complete mate- 

 rial shall be at hand. 



The Ohe ohe of Kauai is a very beautiful and symmetrical tree reaching a 

 height of 50 feet and occasionally more, with a trunk of over one foot in diam- 

 eter. It divides near the top into a few ascending stout branches, at the end of 

 which are large leaf -whorls. The crown is flat and is about one-fifth the height 

 of the tree. When growing, crowded by other trees, it branches 10 or 15 feet 

 above the ground and is not as symmetrical as trees growing apart. It is a tree 

 which inhabits the mountains on the leeward side of Kauai, above Waimea, in 

 the dry regions at an elevation of 2800 to 4000 feet. 



Its associates are Bohea Mannii, Cryptocaria Mannii, Cyanea lepiostegia, 

 Tetraplasandra Waimeae, Metrosideros, etc. It can be recognized from afar, as 

 it usually towers above the trees surrounding it, giving the landscape a peculiar 

 aspect. 



The wood of the Ohe ohe is white and rather soft. 



Pterotropia dipyrena (Mann) Hbd. 



Ohe ohe. 



(Plates 144, 145.) 



PTEROTROPIA DIPYRENA (Mann) Hbd. Fl. Haw. Isl. (1888) 150; Harms in Engl, et 

 Prantl Pflzfam. Ill, 8 (1898) 31. — Heptapleurnm (Pterotropia) dipyrenum Mann 

 Proc. Araer. Acad. VII (1867) 160. — Dipanax Mannii Seem. Journ. Bot. VI 

 (1868) 41;— Del Cast. 111. Fl. Ins. Mar. Pac. VI (1890) 182;— Heller PI. Haw. 

 Isl, (1897) 870. 



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