FLORA OF SOUTH AMERICA, 375 
ruli. Flores numerosi, fere in capitulum condensati, extus 
tomentoso-puberuli, fere 2-lin. longi. Petala oblongo-linearia. 
Stamina 20, 4-seriata, adjectis nonnunquam nonnullis minutis 
sterilibus seriei quinti. Filamenta basic onnata, inciqui- 
longa, complanata, 5 majora petalis alterna apice bidentata, 
cætera apice attenuata. Anthere glabre forma H. crassifolii 
et floribundi. Discus hypogynus 10-fidus, laciniis linearibus 
ovario appressis apice emarginatis. Ovarium globosum, 
glabrum, carnosum. Ovula oblonga. Stylus brevis. Stigma 
capitatum, 5-radiatum.—On the Rio Quitaro, Schomburgk 
^. 543. This species differs from the four preceding ones by 
the single ovules in each cell as well as by its habit, and might 
be considered generically distinct, were it not that Hellenia 
is also said to include species with 1-ovulated and with 
2-ovulated cells. The fruit is unknown to me. 
OLACACE. 
777. Olax macrophylla, Benth. in Trans. Soc. Linn. Lond. 
v. 18, p. 678.—Mount Padowan, Schomburgk. 
No. 5380 of Gardner’s Brazilian Collection is the Dulacia 
singularis of Vellozo’s Flora Fluminensis. It is an Olax, 
quite distinct from my O. pauciflora, to which I had referred - 
it with doubt, and may be thus characterised: O. Vellosiana 
foliis ovatis acuminatis (in O. pauciflora obtusis) ramulisque 
glaberrimis, racemis axillaribus paucifloris (3-5-floris), calyce 
basi ovario adnato parte libera brevissima truncata, stamini- 
bus sterilibus bifidis, ovario pubescente, fructu ovoideo.— 
Folia plerumque bipollicaria. 
No. 1957 of Gardner's Collection from the neighbourhood 
of Crato is very near O. Vellosiana and O. pauciflora, but has 
much longer leaves and narrow fruits. It may be thus 
defined: O. Gardneriana, folis ovato-lanceolatis acutius- 
eulis ramulisque glaberrimis, racemis plurifloris (4-12-floris) 
calyce basi ovario adnato parte libera truncata subsinuata, 
staminibus sterilibus bifidis, ovario pubescente, fructu ovato- 
oblongo.— Folia pleraque tripollicaria. 
The fruit of the above two species only differs from that of 
2p 2 
