"■L 



»■ J 



^ 1 



■-*'J- 



H k 



' i 



^-.y^-rr ; 



122 



CONTRIBUTIONS FJIOM THE NATIONAL HERBARIUM, 



Terebinthus schafFneri (S. Wate. ) Rose. 



Bnrsera schaffneri S. Wats. Proc. Am. Acad. 22: 4G9. 1S87. 



Terebinthus scliiedeana (Kiij^loi) l^oae. 

 Bnrsera scldedmna Engler in DC. Monog. rimii. 4: 57. 1883. 



Terebinthus schlechtendalii (Kngler) ilm^Q, 



Barscra schlechteadaiil Engler in DC. Monog- Dhaii. 4: 54. 1883. 



Terebinthus sessiliflora (I'ugler) Rowe. 



Bandera sesi^lUflora Engler in DC. Mono*;, riian. 4: 55. 1883, 



Terebinthus simaruba (L. ) \V. V. Wight. 

 Pidacia fihnrmiha L, Sp. VI 2: Krii]. 1753. 

 l^erebinfhufi hrovmil 3 ^cq, Enuiii. PI. Curih. 18. 1760. 

 Bnncra gummijem L. Pp. PI. lmI. 2. 1: 471. 17C2. 



Terebinthus submoniliformis (Jvigler) Rose. 



Buvfiera aahmonilifnrmis Engler in DC. jMonog. Plian. 4: 55. 1883. 



Terebinthus subtrifoliata Rose, sp. nuv. 



Low shrub, glabrous throughout; branches dark; leaves simple or trifoliate, cune- 

 ate at batie, rounded at apex, cri-nate, glal>rous on both sides, 25 nun. or less long; 

 flowers one to three in the axiln of the leaves; pedicels short (2 to 3 mm. long) 

 reflexed in fruit; fruit somewhat 3-angled, glabrous, 3 nun. long. 



Typo U. S. National Herbarium no. S011)71, <:ollected by J. N. Rdse west of Bola- 

 flos, Jalij^co, September 17, 1897 {n*.. 3014). 



Resendjhng somewhat T. rhoifoUa in its variable leaflets, but they are not pubes- 

 cent as in that species. 



Terebinthus tenuifolia Rose. 



Bnrsera tenuifolia Rose, Contr. Nat. Herb. 3: 314. 1895. 



TEREBixxnua tomextosa (Jacq.) W. F. Wight. Elaphrlum tomenhsum Jacq. 

 Knum. PI. Carib. 19. 1760. This is a South American species whicli may here be 

 conveniently transferred. 



POLYGALACEAE. 



THREE NEW SPECIES OF POLYGALA, 



Polygala calcicola Rose, sp. nov. 



Pl.VTE XXXVII. 



Perennial, somewhat woody at base, much branched and diffuse, 10 cm. or U\ss 

 high, with appressed cinereous pubescence; leaves all alternate, linear to oblung, 10 to 

 15 mm. long, acute, with appressed pubescence on both sides; flowers either solitary 

 or 3 to 5 in a short raceme; 3 outer sepals laneeolate, acute, pubescent; wings oblan- 

 ceolate, 5 mm. long, pubes(^ent, cream-coloreil; fruit orbicular to shortly oblong, 8 to 

 8.5 mm. long, glabrous except on the margin. 



Type U. S. National Herbarium 31()730, collected by C. (i. Pringle on limestone 

 hills nearTehuacan, Puebla, August 7, 1897 (no. 7477). 



Perhaps nearest P. ovalifoUa, but with the pubescence appressed and the sepals 

 more persistent, etc. 



Explanation of Plate XXXVII.— Fig. a, plant; 5, calyx; c, petals; d, petals, stameny, and pis- 

 til; /, pistil; g, ovary; k and i, two viewsof seed. Fig. a, natnrnl size; b to i, scale 4. 



Polygala nelsoni Rose, sp, nov. Plate XXXVIII. 



Stems annual, 30 to 40 cm. high, simple below, somewhat branched above, glab- 

 rous; upper leaves and probably lower ones all alternate, linear, 8 to 12 mm. long, 

 glabrous and glandular, acute; inflorescence a short spike-like raceme; bracts cadu- 

 cous; 3 outer sepals shortly oblong, obtuse; M'ingg spatulate, reddish; upper petal 

 crested; seeds with appendages at base, very hairy. 



