SAMBUUUS. VIBURNACE#, 279 
merely 2-leaved branchlets, involucrate with slender, subulate caducous 
bracts, destitute of neutral, radiant flowers: stamens very short: berries 
‘light red, 4-6 lines in diameter, globose to oblong;:stone flat, orbicular, 
not furrowed on the sides.. In swamp& and marshes along mountain 
ida Oregon to Alaska, the Rocky Mountains, New Hampshire and 
_ Labrador. 
2. SAMBUCUS Tourn. («LpER). 
Small trees or shrubs with warty bark, pinnately compound 
leaves and compound thyrsoid or fastigiate cymes of small 
white or reddish flowers. Limb of the calyx small, 5-cleft, at 
length obsolete. Corolla rotate, or nearly so. Stamens 5. Ovary 
8-5-celled, forming small, baccate drupelets, with 3-5 cartilagi- 
nous nutlets. Embryo nearly the length of the albumen. 
* Cymes compound, thyrsoid-paniculate; the axis continued and 
sending off 3-4 pairs of lateral primary branches, these mostly trifid and 
again bifid or trifid: early flowering and fruiting. 
S. arborescens Nutt Mss. S. pubens var. arborescens T. & G. Fl. ti, 
13. .A large shrub or small tree, 10-30 feet high with spreading branches: 
leayes ample; leaflets lanceolate to ovate, scarcely acuminate, closely « er- 
rate with strong, lanceolate teeth; 1-6 inches long: thyrsoid cyme ovate 
to semi-orbicular; flowers white to yellowish, usually drying brownish ; 
fruit small, scarlet. On rich, alluvial lands along rivers, etc.. Oregon to 
British Columbia. 
S. pubens Michx Fl. i, 180 Stems 2-12 feet high with spreading 
branches; leaves from pubescent to nearly gla rous: leaflets 5-7, ovate- 
oblong to ovate-lanceolate, acuminate, thickly and sharply serrate: thyrsi- 
form cyme ovate or oblong: flowers dull white, drying brownish: fruit 
scarlet, oily: nutlet- minutely punctate-rugulose Rocky banks and open 
woods, Oreg n to Alaska and across the continent. 
S leiosperma Leiberg Proc. Biol. Soc. of Wash. xi, 40. Shrubly, 4- 
7 feet nigh, forming with its spreading stems loose, open clumps: pith of 
two-year old shoots yellowish-brown: leailets 5-7, oblong to lanceolate, 2- 
4 inches long, 6-18 lines broad, acute or acuminate, subsessile or shortly 
petioled, sharply serrate, the apices of the teeth usually inflexed, smooth or 
with a scattered, short pubescence, especially on the petioles and the 
lower surface of the leave along the midrib; stipules present on the flow- 
ering shoots, subulate, about lines long: cyme oblong, somewhat flat- 
tenel in fruit, seabrous-puberulent, the branches membranaceously mar- 
gined at the fo ks: flowers yellowish-white: berry scarlet, containing 3-5 
seed-like, very smooth nutlets 1-14g lines long. In the Cascade Mount- 
ains from Crate Lake, Oregon to Aiaska. 
S melanocarpa Gray Proc. Am. Acad. xix. 76. Stems 2-8 feet high: 
glabrous or the young leaves slightly pubescent: leaflets 5-7, rarely 9: 
cyme convex, as broad as high: flowers white: fruit black, witnout 
bloom. Inthe mountains of eastern Oregon to California and the Rocky - 
Mountains. 
* * Cymes compound, depressed or fastigiate, 5-rayed; 4 external 
rays once to thrice 5-rayed, 'ut the rays unequal, the 2 outer ones 
stronger, or in ultimate divisions reduced to these; central rays smaller 
and at length reduced to 3-flowered cymelets or to single flowers: berries 
never red; nutlets punctate-rugulose. 
S. glauca Nutt. T. & G. FI. ii, 13. A-large shrub or small tree 12- 
30 feet high and 2-12 inches in diameter covered with a dark. close, very 
distinctly and rather finely fissured bark; glabrous throughout: leaflets 
