APOCYNE.. XV. APOCYSCM. 



81 



wern. soc. 1. p. 67. 



FIG. 12. 



posed to kill dogs). R. Br. in mem. 

 Ap6cynum species, Lin. and Juss. 



LIN. SYST. Penldndria, 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. AXDROS-EMIFOLICM (Lin. 



spec. 311. R. Br. 1. c.) leaves 

 ovate, glabrous ; cymes termi- 

 nal and lateral ; tube of corolla 

 twice as long as the calyx. 

 1. H. Native of Virginia and 

 Canada. Pursh. fl. amer. sept. 

 ). p. 179. Lam. ill. t. 176. 

 f. 1. Curt. bot. mag. t. 280. 

 Bocc. sic. 35. t. 16. f. 3. 

 Mor. hist. 3. p. 609. sect. 15. 

 t. 3. f. 16. Leaves pale be- 

 neath. Corollas pale red, uith 

 darker stripes. 



Androscemvm-leared Dogs'- 

 bane. Fl. July, Sept. Clt. 1688. 

 PI. 1 to 2 feet. 



2 A. CANSA'BIKCM (Lin. spec. 311. R. Br. 1. c. p. 68.) 

 leaves lanceolate, acute at both ends, glabrous ; cvmes panicled ; 

 calyx equal in length to the tube of the corolla. "%. . H. Native 

 of Canada and \ irginia, in fields and woods, where it is com- 

 monly called Indian 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. 



far. p : leaves oblong-oval, clothed with white down be- 

 neath ; panicles downy. Ti. H. A. cannabinum, Micbx. fl. 

 bor. amer. 1. p. 122. Pursh, fl. amer. sept. 1. p. 179. Pluk. 

 aim. t. 13. f. 1. 



Hemp Dogs'-bane. Fl. July, Sept. Clt. 1699. PI. 2 to 3 ft, 



3 A. PVBE'SCEXS (R. Br. 1. 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. If.. H. 

 Native of Virginia. 



Downy Dogs'-bane. PI. I to 2 feet. 



4 A. HTPERiciFOLirM (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 die base ; cvmes shorter 

 than the leaves : calyx about equal in length to the tube of the 

 corolla. TJ.. H. Native from New York to Virginia, on the 

 gravelly shores of rivers. A- Sibiricum, Jacq. hort. 3. t, 66. 

 Flowers small, white, or reddish. 



St. John' s-itort-leated Dogs'-bane. Fl. June, July. Clt. 

 1758. PI. 1 to 2 feet. 



5 A. SIBIRICUM (R. Br. 1. 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. If. . H. Native about 

 A^trachan and Lotewsk, in salt marshy deserts, where it was 

 collected by Pallas and Ledebour. A. venetum, Bieb. fl. taur. 

 1. p. 177. exclusive of the syn. of Falck and Hablitz. Asclepias 

 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. VEXE'TUM (Lin. spec. 311. R. Br. 1. c.) leaves oblong- 

 VOL. rr. 



elliptic, glabrous, mucronate, somewhat attenuated at the base ; 

 cymes panicled, lateral and terminal ; calyx about equal in length 

 to the tube of the corolla. Tf.. 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. 



far. ft ; leaves narrower ; flowers white. Tourn. inst. p. 92. 



Venetian Dogs'-bane. Fl. June, July. Clt. 1690. PI. 2 ft. 



f Species not so nxll known at to be inserted in their proper 

 genera in the order ; they hate been placed trith Apocynum by 

 tariout authors, but certainly do not properly belong to the genus. 



7 A. RETICCLA'TTM (Lin. spec. 312.) stem twining; leaves 

 cordate-ovate, veiny, glabrous. 1j . **\ S. Native of the East 

 Indies. Roy. lugdb. 412. O'lus crudum. 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 Ichnocarpus. 



Reticulated leaved Apocynum. Shrub tw. 



8 A. TILLEFOLIUH (Lam. diet. 1. p. 214.) stems twining, suf- 

 fruticose ; leaves roundish-cordate, acuminated, on long pe- 

 tioles, t; . ^\ S. Native of the East Indies. Rheed. mal. 9. 

 t. 15. Rumph. amb. 5. t. 175. f. t. f 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 Daenua. 



TUia-ltated Apocynum. Shrub tw. 



9 A. PAXICULA'TCM (Lam. diet. 1. p. 212.) stem twining, 

 shrubby ; leaves ovate-lanceolate, acute, glabrous ; flowers ter- 

 minal, and axillary, panicled. ^ . *"*. S. Native of Guiana, in 

 meadows about Sinemari. A. Acouci, Aubl. guian. 1. p. 274. 

 t. 107. Bark of stem white. Leaves 3 inches long. Flowers 

 small, white, in corymbs of 3-5 flowers ; with scaly bracteas at 

 the base. 



-Ponicferf-flowered Apocynum. Shrub tw. 



10 A. vixciFLORUM (Burm. ind. p. 71.) stem erectish, peren- 

 nial ; leaves ovate-oblong; peduncles lateral, 2-flowered. fj . S. 

 Native of the East Indies. Asclepias Javanica angustifolia, 

 Garcin, herb. Stems reddish. Leaves acuminated, rusty beneath. 



Vinca-Jloifered Apocynum. PL 



11 A. CAKARIE'KSE (Lam. diet. 1. p. 215.) shrubby; leaves 

 ovate, acuminated ; tops of follicles recurved. Tj . G. Native 

 of the Canary islands. Apocyn. arboresc. Canariense, Elaeagni 

 facie, Tourn. p. 92. Pluk, aim. 35. t. 260. f. 3. Flowers 

 small, axillary, sub-cymose. Follicles long. 



Canary-island Apocynum. Shrub. 



12 A. COTIXIFOLIUM (Lam. diet. 1. p. 215.) leaves roundish, 

 obtuse, green ; flowers small, corymbose, terminal. V- . S. 

 Native of Java. Flowers campanulate, on bibracteate tricho- 

 tomous peduncles, which are rather tomentose at top. 



Cotinus-leared Apocynum. Shrub. 



13 A. AGGLOJIERA'TCM (Poir. diet, suppl. 1. p. 407.) stem 

 climbing ; leaves elliptic, obtuse, mucronate ; flowers cymose, 

 glomerate ; corolla with a pilose throat. T; . *"\ S. Native of 

 St. Domingo. Leaves downy beneath and hairy ; the veins 

 confluent at the margins. Calycine segments ovate, obtuse, 

 white, membranous, ciliated. 



Gforaero^e-flowered Apocynum. Shrub cL 



14 A. JCVE'NTAS (Lour. coch. p. 167.) stem twining; leaves 

 ovate, pilose ; racemes dichotomous, axillary. ^ . / ^ > . S. Na- 

 tive of Cochinchina, in fields. Branches red, hahy. 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 



M 



