98 EUCALYPTS CULTIVATED IN THE UNITED STATES. 
above and below; umbels solitary, mostly three-flowered; stalklets almost none or 
very short; lid semiovate, mostly short-pointed; fruit semiovate, border somewhat 
convex, valves exserted. 
47. E. rostrata Schl. Leaves scattered, stalked, falcate-lanceolar, equally green 
above and below; umbels solitary, with several flowers; stalks rather elongated, 
stalklets conspicuous; lid from an hemispheric base sharp-pointed; fruit below 
semiglobular, border convex, valves exserted. 
48. E. tereticornis Sm. Leaves scattered, stalked, falcate-lanceolar, equally 
green above and below; umbels solitary, with several flowers; stalks rather elon- 
gated, stalklets conspicuous; lid mostly elongate-conical; outer stamens straight in 
bud; fruits below semiglobular, border convex, valves exserted. 
49. E. macarthuri D. and M. Leaves narrow, lanceolate, thickish, equally green 
above and below; umbels axillary and solitary, with several flowers; stalks short, 
stalklets very short or none; lid somewhat conical; fruits very small, nearly hemis- 
pherical, slightly dilated at the rim, valves usually three, scarcely exserted. Bark 
rough and woolly. 
Prefers swampy or river-bottom land. Timber not very valuable. 
50. E. quadrangulata D. and M. Leaves lanceolate, slightly falcate, usually 4 
to 6 inches long, scarcely paler on the under surface; umbels axillary, solitary; 
stalks broadish and strongly compressed, stalklets none; lid somewhat conical; fruits 
small, shining, bell-shaped, valves usually three, slightly exserted. Bark rough 
and persistent, fuzzy. 
51. E. acaciaeformis D. and M. Leaves: lanceolate, of medium size, margins 
often crenulate, equally green; umbels solitary, with several flowers; stalks very 
angular or flattened, stalklets short and angular; lid slightly pointed; fruits small, 
elongate-hemispherical, valves scarcely exserted. Bark somewhat fibrous. 
52. E. rubida D. and M. Leaves narrow-lanceolate, thickish, intramarginal vein 
scarcely removed from the edge, equally dull-green above and below; umbels soli- 
tary, three-flowered; stalks of medium length, stalklets very short or none; lid nearly 
hemispherical; fruits top-shaped or nearly hemispherical, rim convex, valves exserted. 
Bark smooth, falling off in strips. 
Grows on mountain sides. Timber not valuable. 
53. E. gunnii Hook. Leaves scattered, stalked, thick, broadish-lanceolar, equally 
dark green above and below, shining; umbels solitary, with several flowers; stalk- 
lets very short; lid shining, hemispheric, short-pointed; fruits topshaped-semiovate, 
border depressed, valves small, slightly exserted. 
54. E. rudis End. Leaves thin, falcate-lanceolar, equally dull-green above and 
below; oil-dots pellucid; umbels solitary; stalklets short; lid broad-conical, trans- 
verse edge of the calyx prominent in bud; fruits semiglobular top-shaped, border 
rather convex, valves exserted. 
55. E. redunca Sch. Leaves equally green above and below; umbels solitary; 
stalks broadly compressed, lid conical, acute; fruit hemiellipsoid, border compressed, 
valves inclosed. Bark smooth. 
In good soil grows to a large size and furnishes valuable timber. 
56. E. salubris F. v. M. Leaves thin, equally dark-green above and below; oil- 
dots numerous, pellucid; umbels solitary, stalks compressed; lid hemiellipsoid; fruits 
semiovate, border depressed, very narrow, valves small, exserted. Bark smooth and 
shining. 
Promising for desert regions; endures high temperatures and considerable frost. 
Timber valuable. Leaves rich in oil. 
57. E. saligna Sm. Leaves much paler beneath,. veins feathery-spreading; 
