Rubiaceae. 
and pubescent underneath along the nerves, which are almost destitute of glands; 
the panicle is also pubescent and inclined.”’ 
This seems to apply very much to the species in question, but it is really quite 
distinct from St. Hawaiiensis, in the leaves, fruits and dentate calyx-iobes, be- 
sides in the whole aspect of the tree, which is much smaller (see plate 188). 
Collected flowering and fruiting in the above mentioned locality, April, 1911, 
and July, 1911, type no. 8779 in the College of Hawaii Herbarium. 
The species also occurs on the Parker ranch, Hawaii, and in the forests of 
Paauhau, Hamakua, Hawaii. 
Var. Molokaiensis Rock var. nov. 
Lea oe as in the species, cnpepietiociac pigon arge; panicles slender, drooping, pubescent, 
about 10 em long, ineluding the 6 g Pe ies ealyx-limb dentate; corolla as in the 
species; Priors oblong, larger than in ie ae 
The panicles of this variety are not so open and wide, but rather close and of 
only 1 to 2 whorls. It occurs in the rain forests of Molokai, especially at Ka- 
luaha on the leeward side. It was collected flowering and fruiting April, 1910, 
the type is no. 7085 in the College of Hawaii Herbarium. 
PSYCHOTRIA Linn. 
Flowers hermaphrodite. Calyx short, 5 to 6 toothed. Corolla funnel- sigs nee desig age 
or campanulate. Stamens inserted in the throat, ee exserted. Ovary 2- (rarely 3-5) 
celled. Fruit 2 to 5 seeded.—Shrubs or trees, rarely herbs. Leaves end Al or pepeaibe: 
stipules gin ee a Flowers in pean cymose se rarely axillary, white in the 
Hawaiian spee 
The genus Psychotria consists of about 350 species or more. It is distributed 
over tropical Africa, the Malayan archipelago, East India, Brazil; it also occurs 
in China, but is not known from Japan. In the Hawaiian Islands three species 
are found of which two, P. grandiflora and P. hirta, are peculiar to Kauai, while 
the third, P. herandra, oceurs on Oahu and Kauai but on none of the other islands 
of the group. The genus oceurs also in Fiji and other Pacific Islands. 
KEY TO THE SPECIES. 
oes in a trichotomous corymbose — 
acute at both ends, ened Sse en Ook Malee ea es P. hexandra 
tes obovate, cuneate, pubescent aiden Cor a a eure nee 
Flowers. Ses ge in a panicle with vertniliate SEV O. OG eee eee vee eS P. grandifiora 
Psychotria hexandra Mann. 
PSYCHOTRIA HEXANDRA Mann in Proce. Ae. VIL. (1867) 170;—Wawra in Flora 
(1874) 328; Fl. Haw. Isl. BeeY 181 Del Cast. Ill. Fl. Ins. Mar. Pac. VI. 
—Hbd. 
(1890) 198:—Heller Pi. Haw. Isl, (1897) 9 
Branches jcneapadrr ncaa compressed; leaves obovate or obovate-oblong, 7.5 to 15 em 
long, 2.5 to 3.5 em wide, on petioles of 6 to 25 mm, shortly and abruptly acuminate, cuneate 
i oO he side, . 
455 
