198 NORTH AMERICAN FLORA [Volume 25 



Kampmania fra i inifolia Raf. Med. Rep. II. 5: 352. 1808. 



/, talon glandulosum Raf. Fl. Ludov. 108. 1817. 

 Zanthoxylum t atesbianum Raf. Med. Bot. 2 : 114. 1830. 

 Zanlho I vlum glandulosum Raf. Med. Bot. 2 : 116. 1830. 

 Zaniho vylum macrophyllum Nutt. N. Am. Sylva 3 : 10. 1849. 

 Pseudopetalon tricarpum Raf.; S. Wats. Bibl. Ind. 155, as synonym. 1878. 

 Fagara caroliniana Engler, in E. & P. Nat. Pfl.3<: 117. 1896. 

 Fagara Clava-Herculis .Small, Fl. SE. U. S. 675. 1903. 



A prickly shrub, or tree 8-17 m. high, the bark light-gray, bearing short, stout, conic 

 or pyramidal, usually blunt, hard-corky prickles ; branches, petioles, and rachis pubescent 

 when young, with age commonly glabrate, usually armed with sharp, often flat, straight or 

 sometimes curved brownish prickles ; leaves odd-pinnate, 1-3 dm. long, persistent until 

 late in the winter or until spring; leaflets 3-19, opposite or subopposite, oblique, ovate, 

 ovate-lanceolate, or oblong-lanceolate, 2.5-8.5 cm. long, 1-3.5 cm. broad, acute to long- 

 acuminate at the apex, rounded or cuneate at the base, often somewhat falcate, crenate- 

 serrate, green and lustrous above, paler and glabrous or somewhat pubescent beneath when 

 young, the pellucid glands numerous or scattered ; petioles and rachis terete, stout ; panicles 

 corymb-like, 0.5-1.5 dm. long; staminate flowers: calyx 2.5-3 mm. broad; sepals 5, 

 oblong, ovate-oblong, or ovate-lanceolate, about 1 mm. long, glabrous ; petals 5, green, 

 oval, ovate, ovate-lanceolate, or sometimes obovate, 3-4 mm. long, 1.5-2 mm. broad ; sta- 

 mens 5, longer than the petals ; filaments stout ; anthers ovate or oval ; pistillate flowers : 

 calyx 2-3 mm. broad ; sepals ovate to ovate-lanceolate or ovate-oblong, about 1 mm. long, 

 deciduous in fruit and sometimes while in flower ; petals narrowly elliptic to oblong or ovate, 

 2.5-3 mm. long, 1 mm. broad, green ; pistils 2 or 3, rarely 1, sessile ; styles short ; pedi- 

 cels long, slender ; follicles obliquely-obovoid or globose-obovoid, brown, apiculate, 5-7 

 mm. long, the surface wrinkled or pitted ; seeds round-ellipsoid to obovoid, 4-5.5 mm. 

 long, rather smooth or coarsely wrinkled, black, shining, at maturity hanging from the 

 follicle. 



Type locality : Sea coasts of Carolina. 



Distribution : Southern Virginia to Florida, southern Arkansas, and Texas. 



Illustrations: Catesby, Nat. Hist. Car. 1 : pi. 26; Sargent, Silva N. Am. pi. 29; Sargent, 

 Man. / 479 ; Britt. & Brown, 111. Fl./. 2270 ; Apgar, Trees N. U. S. 74,/.; Nutt. N. Am. Sylva 3 : 

 pi. 83 ; Britton, N. Am. Trees/ 526. 



Zanthoxylum Clava-Herculis fruticosum (A. Gray) S. Wats. Bibl. Ind. 1 : 156. 1878. Zanthoxy- 

 lum. digynum Engelm.; A. Gray, PI. Wright. 1 : 31, as synonym. 1852. Zanthoxylum alveolatum 

 Sluittl.; A. Gray, PI. Wright. 1: 31, as synonym. 1852. Zanthoxylum carolinianum fruticosum 

 A. Gray ; Chapm. Fl. S. U. S. 66. 1860. Zanthoxylum hirsutum Buckl. Proc. Acad. Phila. 1861 : 

 450. 1861. Zanthox ylum Tweedii Engler; A. Grav, Syn.Fl. 1' : 374, as synonym. 1897. Fagara 

 fruticosa Small, Fl. SE. U.S. 675. 1903. Fagara Clava-Herculis fruticosa Sargent, Man. 583. 

 1905. A more or less prickly shrub or a small tree, with its twigs, petioles, rachis, and branches 

 of the inflorescence glabrate or commonly finely hirsute ; leaves odd-pinnate, the leaflets com- 

 monly 3-9, oblong-lanceolate to elliptic or ovate, usually averaging smaller than in the species. 

 Southern Florida, Arkansas, and Texas. 



47. Zanthoxylum mollissimum (Engler) P. Wilson, Bull. Torrey 

 Club 37 : 86. 1910. 

 Fagara mollissima Engler, Bot. Jahrb. 21 : Beibl. 54: 22. 1896. 



A shrub (or tree?) ; twigs, petioles, rachis, and branches of the inflorescence unarmed, 

 densely ferruginous-pilose, the pubescence of the under surface of the leaflets less dense ; 

 petioles terete or nearly so ; leaves odd-pinnate, 2-3 dm. long ; leaflets 9-11, opposite, 

 elliptic or oblong-elliptic, 4-8.5 cm. long, 2-4 cm. broad, obtusish at the apex, obliquely 

 rounded at the base, entire or sparsely glandular-crenate above the middle, short-petiolulate 

 or subsessile, the veins prominent beneath ; inflorescence terminal, paniculate, 7-10 cm. 

 long, its branches spreading ; flowers unknown ; pedicels shorter than the fruit ; follicles 

 ovoid, 5-6 mm. long, 4-5 mm. broad, more or less ferruginous-pilose, the glands of the 

 surface depressed or elevated, dark-brown or blackish ; seeds ovoid, 4 mm. long, black, 

 shining. 



Type locality : Mina de Dolores, Mexico. 

 Distribution : Known only from the type locality. 



