Part 3, 1911] RUTACEAE 195 



connate below or to the middle, 4-6 mm. long, 3-4 mm. broad ; seeds 3-4 mm. long, 2.5-3 

 mm. broad and 2-3 mm. thick, black, shining. 



Type locality : Martinique. 



Distribution : Jamaica ; Cuba to Trinidad ; also in South America. 



Illustrations : Sloane, Hist. Jam. 2 : pi. 172 ; Lam. Tab. Encyc. pi. 811, f. 1 ; Gaertn. Fruct. 

 pi. 6S (as Z. carolinianuni). 



37. Zanthoxylum Kellermanii P. Wilson, sp. nov. 



A shrub or tree (?) ; branches armed with pale-brownish prickles 3-5 cm. long ; leaves 

 2-3 dm. long, equally-pinnate (possibly through the suppression of the terminal leaflet) ; 

 leaflets6 or 8, oblong to elliptic oroblong-obovate, ll-14cm. long, 4.5-6 cm. broad, the lower 

 pair somewhat smaller, inequilaterally rounded or cuneate at the base, abruptly short- 

 acuminate at the apex, lustrous above, paler beneath, the primary nerves rather promi- 

 nent ; branches of the inflorescence clothed with short, mostly appressed hairs; sepals 5 ; 

 gynoecium apparently 4-carpellary ; follicles 2 or 3, sessile, ellipsoid, compressed, 5.5-6 mm. 

 long, 5-5.5 mm. broad; seeds ellipsoid, 4.5-5 mm. long, 4-4.5 mm. broad, black, shining. 



Type collected at Los Amates, Depart. Izabal, Guatemala. February 15, 1908, IV. A. Kellerman 

 7109 (herb. N. Y. Bot. Card.). 



38. Zanthoxylum Goldmani Rose, sp. nov. * 

 A shrub or tree (?) ; the twigs armed with short, sharp, blackish prickles about 2 mm. 

 in length, which are raised on hard corky cushions ; leaves odd-pinnate, about 25 cm. long, 

 the petioles and rachis rather stout, terete or nearly so, hispidulous, not grooved above ; 

 leaflets 7, ovate to elliptic or oval, or the terminal one obovate, 9-14 cm. long, 3-6.5 cm. 

 broad, acute to acuminate and emarginate at the apex, cuneate or somewhat rounded at the 

 base and more or less decurrent on the short petiolules, coriaceous, coarsely crenate, rather 

 dull above, the midrib and veins prominent beneath, hispidulous; inflorescence terminal, 

 rather loose, the branches hispidulous, loosely articulate ; flowers not seen ; gynoecium appar- 

 ently 2- or 3-carpellary ; sepals from under follicles 5, triangular, ciliate ; follicles solitary, 

 wrinkled, blackish-brown ; seeds ellipsoid, 5-6 mm. long, black, shining. 



Tvpe collected on the road from Culiacan to Las Flechas, Sinaloa, Mexico, February 21, 1899, 

 E. A Goldman 311 (U. S. Nat. Herb. no. 360211). 



39. Zanthoxylum arborescens Rose, Contr. U. S. Nat. 



Herb. 5 : 112. 1897. 



Zanthoxylum peninmlare Brand. Zoe 5 : 249. 1908. 



A tree 3-3.6 m. high; branches unarmed, or armed with few, short prickles ; young 

 twigs, rachis of the leaves and branches of the panicles more or less densely hispidulous ; 

 leaves odd-pinnate, 0.8-1.8 dm. long; leaflets 3-7, commonly 5, oblong-elliptic to ovate or 

 somewhat obovate, 5-7.5 cm. long, 2.5-4 cm. broad, more or less inequilateral and cuneate 

 at the base, acute or often obtusely short-acuminate at the apex, slightly crenulate, mostly 

 above the middle, or entire, glabrate above, hispidulous especially on the veins beneath ; 

 panicles terminal or sometimes also lateral and terminal on the branches ; staminate flowers : 

 calyx small ; sepals 5, triangular to triangular-ovate ; petals 5, reflexed, narrowly ovate to 

 ovate or elliptic, 2.5-3 mm. long, 1-1.2 mm. broad, greenish-yellow; stamens 5, a little 

 longer than the petals ; pistillate flowers not seen ; gynoecium apparently 2- or 3-carpel- 

 lary; follicles solitary, oblong-ellipsoid to subglobose, 4.5-5.5 mm. long, the valves 3-4 

 mm. broad; seeds ellipsoid, 3.5-4.5 mm. long, 2.5-3.5 mm. broad, often somewhat pointed 

 at both ends, black, shining. 



Type locality : Vmala, Sinaloa. 



Distribution : Lower California and Sinaloa. 



40. Zanthoxylum melanostictum Cham. & Schlecht. 



Linnaea 5 : 231. 1830. 



Fagara melanosticta Engler, in E. & P. Nat. Pfl. 3» : 117. 1896. 

 IFagara crassifolia Engler, Bot. Jahrb. 21 : Beibl. 54 : 21. 1896. 



A tree or shrub (?), the branches leafy toward the ends, unarmed or armed with short 

 straight or recurved prickles 2-3 mm. long ; petioles and rachis narrowly grooved above, 



