88 Contributions from the Gray Herbarium 
marginatis subglabris, minora 3-4cm. longa. Umbellae inter 
petiolos binos sessiles 9-12-florae; pedicelli glabri maturitate 
recti sursum paullulum incrassati 1 cm. longi. Calyx sub-8-angu- 
latus obscurissime 4-dentatus sparsissime ciliolatus 1 mm. longus. 
Corolla alba rotata 4-partita, tubo 1.5mm. longo ad 2.3mm. 
diametro, segmentis lanceolatis acuminatis apice acutiusculis 
I-nerviis extus granuloso-puberulis 4mm. longis. Stamina 4 
aequalia; antherae ovatae 2.6-2.9 mm. longae; filamenta ad 1.3 
mm. longa infra glabra supra incrassata dense pilosa. Stylus ad 
5mm. longus. Bacca globosa polysperma 4—4.5 mm. diametro. — 
British Honpuras: cultivated ground in clearing, Monkey 
River, 26 Dec. 1906, M. E. Peck 585 (vypE in Gray Herb.).— 
Apparently quite distinct in its 4-parted flowers and sessile umbels 
inserted between the petioles of the paired leaves, not extra- 
axillary as in so many of this group. 
LENTIBULARIACEAE 
Urricunaria aureola, sp. nov. Herba erecta glabra biflora 
5.5-7.5 em. alta, radiculis parvis albidis fibrosis ut videtur ampullis 
destitutis, foliis nullis. Scapus tenuissimus rectus squamis 24 
minutis lancolatis vel ovatis acuminatis integerrimis basi adfixis 
praeditus. Bracteae ternatae integrae; media ovata subacuta 0.7 
mm. longa; laterales angustiores paullo breviores; pedicelli ad 1 
mm. longi erecti. Flores duo 0.3-1 em. distantes aurei parviusculi. 
Sepala integra: superius ovatum acutiusculum 2.3 longum; inferius 
angustius 2mm. longum. Labium corollae superius ellipticum 
planum adscendens 4mm. longum 2.6 mm. latum; inferius inte- 
grum horizontale late orbiculare marginibus recte descendentibus 
4.3mm. longum 3mm. altum, palato non prominente; calcar 
recte pendens regularit bulatum acutum rectum 4 mm. longum. 
— British Honpuras: wet sand, beach of Manatee Lagoon, 6 
Dec. 1905, M. E. Peck 235 (rype in Gray Herb.). — This pretty 
little addition to the section Oligocista has no close relative among 
Mexican Bladderworts, nor do I find any South American species 
with which it can be identified. Its affinities, as shown by the 
ternate bractlets and general habit, are with the U. juncea group, 
the so-called genus Stomoisia Raf., which is included by Kamienski 
(in Engl. & Prantl, Pflanzenfam. iv. pt. 3b, 120 (1893) in the 
section Oligocista Ne DC, 

