ecussata, isabellino-albida; spira
convexo-conoidea, apice obtusa; anfr. 4 1/2, ultimus magnus, ventrosus,
subtus, perinflatus, striis spiralibus obsolete sculptus, antice
deflexus; apertura diagonalis, lunari-rotundata; perist. breviter
expansum margine columellari supra umbilicum angustum fornicatim
dilatato.

Diam. mag. 23 1/2, min. 20, alt. 20 mill. (Coll. Angas.)

Habitat. McDonnell Range, Central Australia. Waterhouse, on Stuart's
expedition.

ENUMERATION OF THE PLANTS COLLECTED DURING MR. J. McDOUALL STUART'S
EXPEDITIONS ACROSS THE AUSTRALIAN CONTINENT IN 1860, 1861, AND 1862. BY
FERDINAND MULLER, M.D., Ph.D., F.R.S.

Dilleniaceae.

Pachynema macrum, F.M. Purdie Ponds. Waterhouse.
Hibbertia glaberrima, F.M. Fragmenta, Phyt. Austr. iii. 1. Brinkley
Bluff, McDonnell Range. J.M. Stuart.

Nymphaeaceae.

Nymphaea gigantea. Hook. Botanical Magazine 4647. Strangways River.

Nelumbium speciosum, W. Sp. Pl. ii. 1258. Arnhem's Land.

Capparideae.

Capparis nummularia, Cand. Prodr. i. 246. Central Australia.

Capparis lasiantha, R. Br in Cand. Prodr. i. 247. Near Central Mount
Stuart.

Busbeckea umbonata (Capparis umbonata, Lindl. in Mitch. Trop. Austr.
275). Near Newcastle Waters and Attack Creek. Flowers similar to those of
B. Mitchellii.

Droseraceae.

Drosera indica, Linn. Sp. Pl. 403. On the Bonney and Finke Rivers and
Attack Creek, also in Central Australia.

Violaceae.

Ionidium enneaspermum, Vent. Malmais. page 27. Burke Creek. An allied
species with a blue labellum occurs in the collection gathered at Purdie
Ponds.

Frankeniaceae.

Frankenia laevis, Linn. Sp. 473 var. Finke River.

Zygophylleae.

Zygophyllum apiculatum, F.M. in Linnaea, 1852, page 373. Stevenson River.

Tribulus terrestris, Linn. Sp. 554. Mount Morphett. A large flowering
variety with petals 1 inch long. At Marchant Springs, Burke River, and
Attack Creek.

Malvaceae.

Hibiscus brachysiphonius, F.M. Fragm. Phyt. Austr. i. 67. Near the
Strangways Range.

Hibiscus pentaphyllus, F.M. Fragm. Phyt. Austr. ii. 13. Newcastle Waters
and Daly Waters.

Hibiscus radiatus, Cav. Diss. iii. 150, t. 54, fig. 2. Purdie Ponds,
Newcastle Waters. Attack Creek.

Hibiscus sturtii, Hook. in Mitch. Trop. Austr. page 363. North of
McDonnell Range.

Hibiscus solanifolius, F.M. Fragm. ii. 116. Mount Denison.

Hibiscus panduriformis, Burm. Fl. Ind. page 151, t. 47, f. 2. Burke
River.

Gossypium Australe, F.M. Fragm. i. 46. Newcast