REMARKS ON VIBURNUM AND CORNUS. 477 
VIBURNUM., 
A. Stone flattened, oval, or orbicular; albumen even. 
a. Stone without distinct markings. 
1. V. prunifolium, St. Lowisand Texas. . www CC té«éi2 mm, long, 8mm. wide. 
2. V. Lentago, Pennsylvania . : A ae ee tet ee ee ee) Ee a ee 
3. V. obovatum, Georgia er ee rae ik - & 8 Ae oe 
4. V. nudum, New a “a Mississipi ee tae ee ee ee ree) ee ek a ee 
5i¥. — Germany, Illino eee eee et ee ie eee | Miter ts. ee Ee 
edule, Wisconsin . . ° ww ORlg Beg te 
6, Stone with 3 more or fay distinct grooves on flat or tau and 2 on convex or dorsal surface. 
6. V. paucifiorum, Rocky Moun * ae eh 53 mm. long, 5 mm. wide. 
7. V. acerifolium, Wisconsin Ae Hampshire, Georgia wees x ° Le PO Bee 180 
8. V. pubescens, Wisconsin, Louisia na Sy Leoe a eee gt ee ee UR as 
9. V. dentatum, Wisconsin, unripe * ee ee Pe ee eae eh er lei 
B. Stone thick, much longer than Mens [270] 
Ibu in 10) or slightly (in 11) ruminated. 
10. V. scabrellum, Gasonce with one wide vent tral groove . ee — long, 44 mm. wide. 
ll. V. lantanoides, Massachusetts, with six distinct grooves ». . . . .« 7 a 
b. Stone poh or subglobose, not compressed. 
e with a narrow and deep ventral groove; albumen deeply excavated, slightly ruminated. 
12, : microcarpum, Mexico. | ee CS Seat . - 4mm. long, 34 —_. — 
13. V. odoratissimum, India om, dae sied en: 
p- Stone with very slight grooves, aac wi not excavated, very deeply eos 
14. V. Tinus, Southern Europe. .  . ‘ eae ag, re he Se i, ane 5-5 ¢ - 
15. V. rugosum, Canary Islands ei ret ae eee ee eS 5-6 * 
The stones of V. prunifolium and Lentago he was unable to distinguish, and he almost felt 
inclined to unite both, as, in our neighborhood at least, the former was a most variable plant, with 
broad or narrow, obtuse, acute or acuminate, glabrous or rusty leaves, and larger or smaller flowers, 
growing in rocky woods or in deep bottoms, and with many approaches to the eastern V. Lentago, 
which, in its typical form, was not found here. 
In V. nudum and still more in V. obovatum, the markings so characteristic of V. acerifolium 
are already present, though not very distinct. 
The stones of the European and the American V. Opulus which he could examine were all 
broadly oval and longer than wide ; but a few specimens of what was labelled V. edule had stones 
broader than long, and deeply emarginate at base; further investigation must show whether this is a 
constant character, perhaps with others sufficient to re-establish that species of Pursh. The only 
fruit of V. dentatum he could examine was unripe, and the stone was no doubt narrower than it 
would be in the ripe berry. 
Among the fruits of Viburna, mostly from the East Indies, obligingly communicated by Prof. 
A. Gray, he found those of V. punctatum similar to V. nudum, though larger; V. eroswm of Japan, 
with a lenticular irregularly marked stone, might also belong here; V. orientale, of the Caucasus, 
was the representative of our V. acerifolium ,; the red-fruited V. cotinifolium, premnaceum, stellula- 
tum, and perhaps Colebrookianum, had stones similar to our black-fruited dentatum and pubescens, 
though narrower. The stones of V. plicatum, of Japan, V. Simonsii, erubescens, and also of grandi- 
Jlorum, were like those of our V. scabrellum. 
For those species of Viburnum he had more fully examined he would suggest the following 
arrangement, in which he had been obliged to overlook the presence or absence of a radiated inflo- 
rescence, which heretofore constituted the principal character of the sections of this genus: — 
1. Opulus would comprise species 5-7, with lobed leaves, radiated or uniform cymes, red or 
black-red berries, and flat, smooth or marked stones. 
2. Lentago with species 1-4; leaves serrulate or sometimes entire, glabrous or squamulate, 
cymes even, berries bluish-black, stones flat, not or scarcely marked. 
