New Hedy otis — Stone and Lane 
141 
from Hawaii), and there have been apparently 
no other collections in these localities since 
the original specimens were taken. Fosberg 
says "the plant has become quite rare, except 
on the windward coast of east Molokai. I 
searched for it without avail at Hanalei, 
Kauai, in 1935. It has not been found on 
Oahu since Hillebrand’s time." 
Our specimens exhibit many features char- 
acteristic of H. littoralis , including its habitat 
preference, but in flower color, corolla shape, 
and fruit shape they show clear-cut differences. 
The general aspect of both species is very 
similar, and the two are both quite different 
in this regard from the majority of the other 
Hawaiian species of Hedyotis. 
The following changes in the keys should 
be made to accomodate this new species. In 
the key to the subgenera (Fosberg, 1943: 19), 
under the second number 2, read: "Corolla 
fleshy or at least thickened, salverform, an- 
thers included or the tips barely exserted, 
style shorter than or subequal with tube, bifid 
or quadrifid (lobes may cohere), seeds an- 
gular 3." Under the second 3, read: 
"Inflorescence terminal, terminal and axillary, 
or seemingly axillary but terminating the 
main stem, the branch below arising from the 
first axillary bud(s). 4." Under the sec- 
ond 4, read: "Width of corolla tube usually 
much less than l A the length, but in some as 
wide as long; cyme usually many-flowered; 
fruit dry, or if fleshy, calyx lobes much over 
1 mm. long Polynesians.” 
In the key to the sections of Polynesiotis 
(Fosberg 1943: 23), under the first 2, read: 
"Calyx lobes foliaceous, longer than hypan- 
thium in flower, conspicuously accrescent in 
fruit, distinctly nerved, subscabrous in some; 
corolla limb not quadrangular in bud, in- 
florescence usually quite glaucous 
Wiegmannia. 
In the key to the species of section Wieg- 
mannia, insert in place of the lead to H. lit- 
toralis: "2. Leaves, bracts, calyx lobes, and 
ovary fleshy; leaves mainly sub-basal 3. 
3. Corollas white, the tube two or three 
times longer than wide; fruits subglobose, 
crowned by the persistent enlarged calyx 
H. littoralis 
3. Corollas green, the tube as long as wide 
or up to twice as long as wide; fruits 
usually conspicuously flattened, the per- 
sistent enlarged calyx lobes spreading 
from the equatorial plane of the fruits . . . 
H. St.-Johnii" 
DESCRIPTION 
Hedyotis St.-Johnii B. C. Stone and I. Lane 
sp. nov. (Subgen. polynesiotis sect. 
wiegmannia) 
Suffrutex parvus non- vel pauci-ramosus 
decumbens in scopuloris saxatilis maritimis 
Kauaiensibus habitans, caulis lignosus longi- 
tudinaliter sulcatus, petiolis connatis et fasciis 
suberosis inter foliosis ambis cinctis, folia 
opposita dense conferta irregulariter ellip- 
tico-acuminata ad apicem saepe asymetrice 
curvata in vivo subcarnosa convexa supra 
fusco-viridia et nitida infra subglauca pullo- 
venosa, bases foliorum lati-petiolatae vel ala- 
tae bases bini connatae, laminae 5-14 cm. 
longae 2-5.5 cm. latae marginibus integribus, 
superficies foliorum (et bracteorum et cali- 
corum) minute albo-scabratus, costa nervique 
leviter prominulentes, nervi laterales 4-10 
arcuatim adscendentes vix anastomosantes 
(rete venularum conspicuum sed minutum), 
folia emortui persistentes vestirentes, inflor- 
escentia stricte terminalis pauci-ramosa usque 
17 cm. longa remote bracteata thyrsoidea tri- 
partite cymosa, ramus quisque dichasius fere 
Fig. 1 . A-F, Hedyotis littoralis. A-l, Faurie 374, Molokai; 1 , calyces, la, fruit; 2, Faurie 375, Halawa, Hawaii, 
fruits. B, Skottsberg 800, East Maui, 250 m. alt.; 1, calyx, young; la, fruit. C, Degener and Nitta 9430, Wailau, 
Molokai; 1, bud; la, fruit. D, same, 2d sheet; 1, buds and young calyces; la, fruit. E, Forbes 237-M, Keaneae, 
East Maui; 1, flower; la, fruits. F, leaves, 1, 2, Rock 7003, Wailau, Molokai; 3, Faurie 374; 4, Fosberg 13451, 
Wailau, Molokai; 5, Forbes 237-M; 6, Skottsberg 800; 7, Degener and Nitta 9430, sheet 2. (All in Bishop Mus.) 
All natural size. 
