APOCYNEZ. 
posed to kill dogs). R. Br. in mem. wern. soc. 1. p. 67.— 
Apócynum species, Lin. and Juss. 
Lin. syst.  Pentándria, Monogynia. Calyx 5-parted. Co- 
rolla campanulate; tube inclosing 5 acute teeth, which are op- 
posite the segments of the limb; throat naked. Stamens in- 
closed ; anthers sagittate, cohering by the middle to the stigma ; 
having the hind lobes without pollen. Ovaria 2. Styles almost 
wanting; stigma dilated, conical at top. Hypogynous scales 5. 
Follicles slender, distinct. — Perennial erect herbs; natives of 
North America and the south of Europe. Leaves opposite, 
membranous. Flowers cymose. 
1 A. ANDROSEMIFOLIUM (Lin. 
spec. 311. R. Br. l. c.) leaves 
ovate, glabrous; cymes termi- 
nal and lateral; tube of corolla 
twice as long as the calyx. 
2L. H. Native of Virginia and 
Canada. Pursh. fl. amer. sept. 
]. p. 179. Lam. ill. t. 176. 
f.1. Curt. bot. mag. t. 280.— 
Boce. sic. 35. t. 16. f. 3.— 
Mor. hist. 3. p. 609. sect. 15. 
t. 3. f. 16. Leaves pale be- 
neath. Corollas pale red, with 
darker stripes. 
Androsemum-leaved | Dogs'- 
bane. Fl.July, Sept. Clt. 1688. 
Pl. 1 to 2 feet. 
2 A. cANNA'BINUM (Lin. spec. 311. R. Br. l. c. p. 68.) 
leaves lanceolate, acute at both ends, glabrous ; cymes panicled ; 
calyx equal in length to the tube of the corolla. 2%. H. Native 
of Canada and Virginia, in fields and woods, where it is com- 
monly called 7ndian hemp. Flowers yellowish-green, small. 
The Indians prepare the stems of this plant as we do hemp, and 
make fishing-nets, twine, bags, &c. of it. 
Var. B; leaves oblong-oval, clothed with white down be- 
neath; panicles downy. 2%. A. cannábinum, Michx. fl. 
bor. amer. 1. p. 122. Pursh, fl. amer. sept. 1. p. 179.—Pluk. 
alm. t. 13. f. 1. 
Hemp Dogs -bane. Fl. July, Sept. Clt. 1699. Pl. 2-to 3 ft. 
3 A. ruBE'scENs (R. Br. l. c.) leaves ovate-oblong, mucro- 
nate, obtuse at the base, downy on both surfaces, as well as the 
cymes; calyx about equal in length to the corolla. 2. H. 
Native of Virginia. 
Downy Dogs'-bane. Pl. 1 to 2 feet. 
4 A. HYPERICIFOLIUM (R. Br. in Ait. hort. kew. ed. 2. vol. 2. 
p. 74.) leaves oblong, glabrous, mucronate, on very short pe- 
tioles, obtuse and somewhat cordate at the base; cymes shorter 
than the leaves: calyx about equal in length to the tube of the 
corolla, %. H. Native from New York to Virginia, on the 
gravelly shores of rivers. A. Sibíricum, Jacq. hort. 3. t. 66. 
Flowers small, white, or reddish. 
St. John’s-wort-leaved Dogs'-bane. 
1758. Pl. 1 to 2 feet. 
5 A. Sisiricum (R. Br. l. c. p. 68. Led. fl. alt. illust. t. 240.) 
leaves ovate-oblong or lanceolate, mucronate, glabrous, obtuse 
at the base; cymes alternate, pedunculate, disposed in a ter- 
minal panicle; tube of corolla exceeding the calyx ; pedicels 
and calyxes clothed with powdery down. Y.H. Native about 
Astrachan and Lotewsk, in salt marshy deserts, where it was 
collected by Pallas and Ledebour. A. venétum, Bieb. fl. taur. 
1. p. 177. exclusive of the syn. of Falck and Hablitz. Asclépias 
rubra, Sievers, in Pall. fl. nord. beitr. There are 2 varieties 
of this species, a broader and a narrower leaved variety. 
Siberian Dogs’-bane. PI. 2 feet. 
6 A. VrxE TUM (Lin. spec. 311. 
VOL. IV. 
FIG. 19; 
Fl. June, July. Cit. 
R. Br. 1. c.) leaves oblong- 
XV. Apocynum. 81 
elliptic, glabrous, mucronate, somewhat attenuated at the base ; 
cymes panicled, lateral and terminal ; calyx about equal in length 
to the tube of the corolla. 2%. H. Native of the south of 
Europe, islands of the Adriatic sea, and in the sand along the 
Euxine sea, &c.—Falck, itin. 2. t. 4.—Lob. icon. 372. f. 1-2. 
Flowers red. 
Var. B; leaves narrower; flowers white. "Tourn. inst. p. 92. 
Venetian Dogs'-bane. Fl. June, July. Clt. 1690. Pl. 2 ft. 
+ Species not so well known as to be inserted in their proper 
genera in the order; they have been placed with Apocynum by 
various authors, but certainly do not properly belong to the genus. 
7 A. reticuLa‘rum (Lin. spec. 312.) stem twining; leaves 
cordate-ovate, veiny, glabrous. h.%.S. Native of the East 
Indies. Roy. lugdb. 412. Ous erüdum, Rumph. amb. 5. 
p. 75. t. 40. f. 2. Loureiro's plant under this name is said to 
have hairy stems; ovate, acuminated, shining leaves; axil- 
lary umbels of small flowers, and the 5 fertile filaments altern- 
ating with sterile ones. Perhaps a species of /chnocárpus. 
Reticulated leaved Apocynum. Shrub tw. 
8 A. TILIÆFÒLIUM (Lam. dict. 1. p. 214.) stems twining, suf- 
fruticose; leaves roundish-cordate, acuminated. on long pe- 
tioles. h.%.S. Native of the East Indies. —Rheed. mal. 9. 
t. 15.—Rumph. amb. 5. t. 175. f. 2.?* Leaves green on both 
surfaces, length of petioles. Flowers large, in axillary umbel- 
formed fascicles, shorter than the leaves. Corolla campanulate, 
villous inside. Perhaps a species of De‘mia. 
Tilia-leaved Apocynum. Shrub tw. 
9 A. raANicULA TUM (Lam. dict. 1. p. 212.) stem twining, 
shrubby ; leaves ovate-lanceolate, acute, glabrous; flowers ter- 
minal, and axillary, panicled. 5. ^. S. Native of Guiana, in 
meadows about Sinemari. A. Acoüci, Aubl. guian. 1. p. 274. 
t. 107. Bark of stem white. Leaves 3 inches long. Flowers 
small, white, in corymbs of 2-5 flowers; with scaly bracteas at 
the base. 
Panicled-flowered Apocynum. Shrub tw. 
10 A. VINcCÆFLÒRUM (Burm. ind. p. 71.) stem erectish, peren- 
nial; leaves ovate-oblong; peduncles lateral, 2-flowered. h.S. 
Native of the East Indies. Asclépias Javánica angustifolia, 
Garcin, herb. Stems reddish. Leaves acuminated, rusty beneath. 
Vinca-flowered Apocynum. PI. 
11 A. Canariense (Lam. dict. 1. p. 215.) shrubby ; leaves 
ovate, acuminated ; tops of follicles recurved. h.G. Native 
of the Canary islands. Apocyn. arboresc. Canariénse, Elzeagni 
facie, Tourn. p. 92.—Pluk, alm. 35. t. 260. f. 3. Flowers 
small, axillary, sub-cymose.  Follicles long. 
Canary-island Apocynum. Shrub. 
12 A. COTINIFÒLIUM (Lam. dict. 1. p. 215.) leaves roundish, 
obtuse, green; flowers small, corymbose, terminal. kh. S. 
Native of Java. Flowers campanulate, on bibracteate tricho- 
tomous peduncles, which are rather tomentose at top. 
Cotinus-leaved Apocynum. Shrub. 
13 A. AccroMERA'rUM (Poir. dict. suppl. 1. p. 407.) stem 
climbing; leaves elliptic, obtuse, mucronate ; flowers cymose, 
glomerate ; corolla with a pilose throat. ^.^. S. Native of 
St. Domingo. Leaves downy beneath and hairy; the veins 
confluent at the margins. Calycine segments ovate, obtuse, 
white, membranous, ciliated. 
Glomerate-flowered Apocynum. Shrub cl. 
14 A. suve’Nras (Lour. coch. p. 167.) stem twining; leaves 
ovate, pilose ; racemes dichotomous, axillary. h.%.S. Na- 
tive of Cochinchina, in fields. Branches red, hairy. Root 
large, fleshy, undivided. Flowers small, greenish yellow. Co- 
rolla campanulate. Hypogynous scales 5, combined. Anthers 
5, scale-formed, adhering to the base of the nectarium; and 5 
sterile, erect filaments, Stigma sessile, concave, bifid. Follicles 
