ROSE MEXICAN AIs^D CENTRAL AMERICAN PLANTS. 117 



by Doctor WatHoii with 0, (now Lotoxalu) herlmnlkrl, from which it differs especially 

 in it?" foliage. 



P. madrensis (S. Wata,) Rose. 



Oxalls viadrenm ^. Watw. Proc. Am. Acad. 25: 144, 1890. 



Stems much l>ranched, creeping, pnbescent; loaflcts obovatc, obtuse or retuae, 10 

 to 12 mm. long; sepals obtuse, 6 to 8 mm. long. 



Only known from mountains near Monterey, Xucvo Leon. Collected by C, G. 

 Pringle, July Ifi, 1889 (no. 28(17). 



LINACEAE. 



TWO NEW SPECIES OF LINTJM. 



■ 4 



Linum long-ipes Hose, sp. nov. 



Annual^ erect, 20 to 30 cm. high, simph^ below, branching af>ove, slightly hairy; 

 lower leaves in whorls, oblong to obovate, 10 to 15 mm. long, obtuse, shortly but 

 ditJLiiictly petioled, very thin; upper heaves attenuate, acute^ :^tipular glands wanting; 

 pedicels slender, 10 to 20 mm. long; ?^epals 2 to 2.5 mm. long, ovate, acuminate,' 

 slightly glandular-ciliate; petals yellow, about twice as Jong as the sepals; styles 



slender united, nearly to the top, \al\es 10; carpels small, without cartilaginous 

 insertions at base. 



Tyj)e U. S. National Ilei'barium no. 381811, collected by C. (t. Pringle, in moun- 

 tains near Iguala, Guerrero, October U, lUOO (no. 92(il). 



This species rcsenjbles som<nvhat L. cruciatum, but has the styles united, the pedi- 

 cels longer and glabrous, etc. 



Linum nelsoni Kose, sp. nov. 



Perennial, much branched at base, tlie branches long, often Aveak, perhaps some- 

 times procumbent, when young pilose; loAver leaves in whorls, f)l)long, 10 to 15 mm. 

 long, obtuse, at first pilose, beconung glabrate, the uppermost leaves alternate, 

 acute; inflorescence open; ]>edicels pilose; sepals ovate, acute; petals yellow, 5 to 6 

 mm. long; capsule lO-valvc^d. 



Type U. S. National Herbarium no. 460215, collected by E. W. Nelson at Boca del 

 Monte, Vera Cruz, March 13, 1804 (no. 210). Also collected by C. A. Purpus, on 

 Ixtaccihuatl, January, 1903 (no. 67). 



BALSAMEACEAE, 



RESTORATION OF TEREBINTHUS, WITH ITS SPECIES. 



The ancient niime Terebintlins was adopted by Tourncfort, Kay, and 

 other well-known authors, but was di^cai'ded ]>\ Linnaeus for Pistacia, 

 a name almost, if not quite, equally ancient. In accordance witli the 

 present practice in nomenclature Pistacia must remain the name of the 

 y-cnus to which Linnaeus applied it. Mr. William F. Wig-ht has called 

 my attention to the fact that the name Tercbiiithus, however, is valid 

 for another g-cnus, that to which it was first applied by a post-Linnaean 

 author. This first use was by Patrick Browne in ITSG,** who based 

 his genus on a single species, Pistacia umarxla L., which will there- 

 fore be the type of Tereljinthus.^ Although the Linnaean binomial is 

 not given by Browne, the three following references, "Pistacia foliis 

 pinnatis deciduis, foliolis ovatis. L. Sp. PI. Terebcnthus major Bctu- 

 lae cortice, etc. Slo. Cat. 167 & II. Simaruba. L. M. Med.", unmistnk- 



$ 



A 



^ Civil and Natural History of Jamaica, j). 345. 



2>For citation and synonymy see Terebinthas simaruba in list below. 



