ROBIXSON. — NEW SPERMATOPHYTES, CHIEFLY FROM MEXICO. 21 



tomentulosis ; foliis inferioribus petiolatis, summis sessilibus ; inflores- 

 centiis terminalibus coryinboso-cymosis tomentosis ; capitulis uumerosis 

 8-9 mm. altis heterogamis calyculatis ; involucri campanulat'i squamis 

 ca. 13 lineari-lanceolatis 5 mm. longis acutis nigro-penicillatis ceterum 

 glabratis vel sparsissime tomentulosis ; floribus femineis liguliferis 5-8, 

 corollis glabris, ligulis flavis ; floribus disci ca. 25 ; achaeniis cano- 

 hirtellis. — Barranca below Sandia Station, Durango, Mexico, alt. 21,35 

 m., 15 October, 1905, C. G. Pringle, no. 10,105 (type, in hb. Gray). 

 This species has the general aspect of S. eremoph'dus Richards., H. chi- 

 huahuensis Wats, and S. MacDougalii Heller, but differs from all of 

 them in being tomentulose throughout and in having narrower leaves 

 with mostly simple slender and entire lateral teeth or divisions. 



Senecio (§ Tomentosi) loratifolius Greenman, n. sp., herbaceus 

 perennis ; caulibus erectis 3 dm. altis lanato-tomentosis ; foliis alternis 

 elongato-lanceolatis vel subloratis 0.5-1.7 dm. longis 4-12 mm. latis 

 acutis vel obtusis integris membranaceis juventate supra arachnoideo- 

 tomentosis denique glabratis subtus persistenter albo-tomentosis ; foliis 

 inferioribus basi sensim angustatis et subpetiolatis, superioribus sessili- 

 bus et amplexicaulibus ; inflorescentiis cymosis terminalibus ; capitulis 

 paucis 8-9 mm. altis heterogamis calyculatis ; involucris campanulatis 

 tomentosis, squamis ca. 13 lineari-lanceolatis 6-7 mm. longis ; flori- 

 bus femineis ligulatis 8-12, corollis glabris flavis ; floribus disci ca. 

 35 quam squamis involucri vix longioribus ; achaeniis hispidulis. — 

 ^lountains near Saltillo, Coahuila, Mexico, alt. 2133 m., 5 October, 

 1905, C. G. Pringle, no. 13,676 (type, in hb. Gray). This species is 

 related to *S'. umhracuUferus Watson, but differs amply in foliar char- 

 acters, especially in having thinner leaf-texture, glabrate upper leaf- 

 surface, and more distinctly amplexicaul upper leaves. 



11. NEW OR OTHERWISE NOTEWORTHY SPERMATO- 

 PHYTES, CHIEFLY FROM MEXICO. 

 By B. L. Eobinson. 



Tigridia morelosana Robinson, n. sp., bulbo ovoideo acurainato 4- 

 6 cm. longo 2-3.2 cm. diametro atrobrunneo, radicibus fibrosis; caule 

 gracillimo flexuoso 3 dm. alto saepissime 1-2-foliato glabro modice 

 compresso ; foliis basilaribus anguste lanceolato-linearibus attenuatis 

 plicato-nervosis ca. 3 dm. longis ca. 8 mm. latis utrinque viridibus 

 glabris laevibus ; foliis caulinis linearibus vel anguste spathiformibus ; 



