OF ARTS AND SCIENCES. 145 



becoming glabrous : leaves small, ovate to lanceolate, obtuse or acute, 

 ou very sliort petioles : spikes 3 to 5 lines long, in short axillary and 

 terminal racemes, 1 to 3 inches long ; bracts glabrous, scaiious, 

 rounded and concave : flowers globose ; basal hairs very cojiious ; 

 perianth-segments somewhat villous, ovate : filaments very short ; 

 staminoJia none : ovary glabrous ; stigmas subulate, stout, nearly 

 sessile: seed subglobose ; cotyledons broad. — At Guajuco, IS^uevo 

 Leon (ll38). Mentioned as probably distinct by Hemsley, but 

 under a wrong number. Fully developed leaves are wanting. 



Iresine cassin^formis, Schauer in Linnaea, 19. 709 (?) At 

 Monterey, Nuevo Leon (1133). Agreeing but imperfectly with the 

 description. Leaves only slightly roughish-puberulent above, densely 

 white-tomentose beneath, 1 to 3 inches long, oblong-lanceolate, acute 

 or acuminate, cuneate at base : panicle ample, the fruiting rather 

 dense and smaller : sterile flowers nearly glabrous, a line long, white 

 and scarious, the staminodia linear, and the oblong-obovate ovary 

 without stigmas ; fertile flowers with very thin equal glabrous bracts 

 half the length of the somewhat rigid oblong obtuse sepals ; hairs 

 mostly basal : utricle oblong. 



Iresine latifolia, Benth. & Hook. At Monterey, Nuevo Leon 

 (1134), and at San Luis Potosi (873 Schaffner) ; 792 Parry & 

 Palmer. 



Iresine celosioides, Linn. A form with rather large flowers in 

 dense panicles, the leaves 1 or 2 inches long, acute or but sliuhtly 

 acuminate. At Georgetown (1135) and at Uvalde, Texas (1137), 

 and in the Caracol Mountains, southeast of Monclova, Coahuila 

 (113G) ; 792i Parry & Palmer. 



Iresine ? An imperfect specimen of a species allied to 



/ latifolia, but distinct fiom it. In all the flowers examined the 

 ovary had three stigmas. At Guanajuato (Duges). 



Iresine ? The white clustered spikes in long-peduncled 



panicles, and the very narrow and thin sepals very densely villous. 

 In the San Miguelito Mountains (876 Schaffner) ; 791 Parry & 

 Palmer, in part. 



DicRAuuus DiFFCsus, Hook. f. In woods near Morales, San Luis 

 Potosi (878 Schaffner) ; 790 Parry & Palmer. 



CiiENOPODiuM F(ETiDUM, Linn. In the Sierra Madre, south of 

 Saltillo (1150), and at San Luis Potosi (853 Schaffner). C. comu- 

 tuni, Benth. & Hook. (Teloxf/s conmta, Torn), to which 778 Parry & 

 Palmer may be referred, appears to be distinguished by its smoothness 

 and by the firmer and more distinctly appendaged sepals. 

 VOL. xvni. (n. s. X.) 10 



