244 ANACARDIACEAE. 



1. Toxicodendron radicans (L.) Kuntze, Rev. Gen. PI. 153. 1891. 



Rhus radicans L. Sp. PI. 266. 1753. 



Sluts Blodgettii Kearney, Bull. Torr. Club 21: 486. 1894. 



Toxicodendron Blodgettii Greene, Leaflets 1: 126. 1905. 



A woody vine, climbing by numerous aerial rootlets, or bushy and erect, 

 the stem sometimes 7-10 cm. in diameter. Leaves petioled; leaflets ovate or 

 rhombic, 2.5-15 cm. long, entire or sparingly dentate or sinuate, acute or short- 

 acuminate, the lateral sessile or short-stalked, inequilateral, the terminal one 

 stalked; flowers green, 3 mm. broad, in loose axillary panicles 2-8 cm. long; 

 drupes subglobose, 3-5 mm. in diameter, grayish-white. 



Moist depressions in pine- and scrub-lands, and in savannas, Andros. Abaco, 

 Great Bahama, North Cat Cay and New Providence : continental North America, 

 south to Mexico. Recorded by Dolley as Rhus Toxicodendron L. Poison Ivy. 



2. METOPIUM P. Br.; Engler, in DC. Mon. Phan. 4: 367. 1883. 



Poisonous trees, with alternate petioled pinnate leaves, the several leaflets 

 entire, subcoriaceous, the small greenish dioecious flowers in axillary panicles. 

 Sepals 5, imbricated. Petals 5, imbricated, longer than the sepals. Disk 

 ^annular. Stamens 5, the filaments short, subulate, the anthers longitudinally 

 dehiscent. Ovary 1-celled; style short; stigma 3-lobed; ovule one. Drupe 

 oblong, glabrous, pointed, containing a parchment-like stone. [Greek, fore- 

 head, significance not explained.] Three species, natives of the West Indian 

 region. Type species : Rhus Metopium L. 



4; 1. Metopium toxifemm (L.) Krug & Urban; Urban, Bot. Jahrb. 21: 612. 

 1896. 



Amyris toxifera L. Syst. ed. 10, 1000. 1759. 



A poisonous tree, up to 14 m. high with a trunk sometimes 2 dm. in diam- 

 eter, the thin bark reddish-brown without, orange within, splitting into large 

 scales, the branches widely spreading. Leaves 3 dm. long or less, glabrous; 

 leaflets 3-7, ovate to suborbicular or obovate, chartaceous, 2.5-10 cm. long, 

 acute, obtuse or emarginate at the apex, narrowed to cordate at the base, 

 bright green and shining above, dull beneath, the petiolules 1-3 cm. long; 

 panicles many-flowered, as long as the leaves or longer; pedicels rather stout, 

 2-4 mm. long: sepals obtuse, much shorter than the ovate obtuse yellowish- 

 green petals; drupes oblong, orange-yellow, 1-1.5 cm. long, in spreading or 

 drooping panicles. 



Pine-lands and scrub-lands and coppices, throughout the archipelago from Abaco 

 and Great Bahama to Caicos, Inagua and the Anguilla Isles : Florida ; Cuba ; 

 Haiti : Porto Rico. Referred by Hitchcock and by Dolley to Rhus Metopium L. ; by 

 Mrs. Northrop to Metopium Metopium (L.) Small. Poison-tkee. Catesby, 1 : pi. 1,0. 



3. MANGIFERA L. Sp. PI. 200. 1753. 



Trees, mostly large, with alternate petioled entire coriaceous leaves, and 

 small polygamous flowers in terminal panicles. Calyx 4-5-parted, deciduous, 

 the lobes imbricated. Petals 4 or 5, narrow, imbricated. Stamens h-5, 

 unequal, all polleniferous or some sterile, the filaments sometimes connate 

 below. Ovary sessile, superior, 1-celled, 1-ovuled; style lateral, curved; stigma 

 simple. Drupe ovoid, oblique, large, fleshy, the stone fibrous. Seed flattened, 

 its testa thin, the cotyledons plano-convex, usually lobed, the radicle ascending. 

 [Latin, mango-bearing.] About 14 species, natives of tropical Asia, the fol- 

 lowing typical. 



