FLORA OF THE HAWAIIAN ISLANDS. 121 



". V. Chamissoniana Gingins. (Enum. No. 12.) Upright shrub, 

 l°-6° high, stem i'-i' and more thick, branching, glabrous. Leaves 

 ovate or oblong-ovate or ovate-lanceolate, and somewhat cordate or 

 rarely acute at the base, acuminate, serrulate, on petioles ^'-2' long. 

 Stipules scale-like, brown and small, entire or serrate in the manner of 

 the foregoing species. Peduncles axillary, 4' - 1' long, 1 - 2-bracted 

 above the middle. Flowers 6"- 8" long. Sepals linear-lanceolate, 

 very little produced at the base. Petals light blue or violet, obloug- 

 spatulate, beardless, nearly equal, the lower one broadly saccate at 

 the base. Anthers glabrous^ tipped with a slender subulate appendage, 

 the lower two bearing a short and thick appendage on the back. Style 

 curved, thickened and gibbous at the apex. Stigma one-sided, trun- 

 cate. 



On the Kaala Mountains, Oahu, and in the vicinity of Walalua. Mountains above 

 Waimea, Kauai. 



2. ISODENDRIOW Gray. 



Sepals equal. Corolla of 5 equal linear-spatulate petals, which 

 are connivent in a tube, and with their tips spreading. Stamens Avith 

 slender filaments, without appendages, the connective not prolonged; 

 anthers affixed by the base. Ovarj^ with two ovules on each placenta. 

 Style elongated, subclavate, apex incurved, simple ; stigma lateral. 

 Ovules collateral, horizontal. Capsule coriaceous, surrounded by the 

 persistent sepals and petals, 3-seeded, 3-valved. Seeds obovate. — 

 Shrubs. Leaves alternate, clustered; stipules triangular subulate, 

 appressed, persistent. Flowers axillary, short-pedicelled, small. 



Genus peculiar to the Hawaiian Islands. 

 1. I. PYRiFOLiUM Gray. (Enum. JVo. 13.) Shrub about (5° high, 

 branching; branches slender, glabrous except the younger which are 

 a little pubescent, beset with the persistent stipules which remain long 

 after the leaves have fallen. Leaves clustered, membranaceous, ovate- 

 elliptical or oval, obtuse at both ends, l5'-2' long, loosely pinnately 

 veined, crenate or minutely serrate with small glandnlar-tipped teeth, 

 glabrous, or minutely pubescent below when young, as arc the petioles 

 (3"-5" long). Stipules triangular, acute or acuminate, oblique, scari- 

 ous, keeled with a strong and thick midrib which is minutely silky, 

 pubescent externally, ciliolate on the margins, 1^" long. Flowers 

 solitary. Pedicels recurved, 2"- 3" long, 2-bracted in the middle. 

 Sepals equal and nearly distinct, ovate and acute, in texture and 

 form like the stipules. Corolla hypogynous, or obscurely perigynous ; 

 petals 4" long. Stamens inserted with the petals, and much shorter 

 and alternate, distinct and glabrous. Anthers oblong. 



Wooded parts of Kaala Mountains, Oahu. 

 COMMUNICATIONS KSSEX INST. VOL. V. 17 JULY, 1867. 



