ROBINSON. — DIAGNOSES OF TROPICAL AMERICAN PHANEROGAMS. 625 
achaeniis graciliter obconicis tomentellis 2 mm. longis ; pappi squamulis 
ca. 23 anguste linearibus attenuatis ca. 5 mm. longis scariosis maturi- 
tate patentibus.— In thickets, British Honduras, Pref. Morton E. 
Peck, no. 64 (type, in hb. Gray). A species somewhat resembling 
C. prunifolia HBK., but differing in having smaller leaves, sessile 
fascicles from the axils of leaf-like bracts, ete. 
ne Calea scabra (Lag.), n. comb. Calydermos scaber Lag. Gen. et 
“ Spec. Nov. 25 (1816); DC. Prod. v. 669 (1836). Calea peduncularis, 
var. epapposa “HBK. Nov. Gen. et Spec. iv. 296, t. 408, f. 5” ex DC. 
Prod. v. 669 (1836) ; Robinson & Greenman, Proc. Am. Acad. xxxil. 
23 (1896). — Foliis ovatis vel ovato-lanceolatis ; achaeniis calvis. 
ve Var. longifolia (Lag.), n.comb. Calydermos longifolius Lag. Gen. et 
Spec. Nov. 25 (1816) ; DC. Prod. v. 669 (1836). Calea peduncularis, 
var. longifolia Gray, Proc. Am. Acad. xxii. 430 (1887), as to synon. ; 
Robinson & Greenman, Proc. Am. Acad. xxxii. 23 (1896). — Foliis 
_anguste lanceolati-oblongis elongatis ; achaeniis calvis. 
— Var. peduncularis (HBK.), n. comb. Calea peduncularis HBK. Nov. 
Z Gen. et Spee. iv. 295, t. 408, £ 1-4 (1820). Calebrachys peduncularis 
Cass. Dict. lv. 277 (1828), ace. to Hook. f. & Jack. Ind. Kew. i. 383 
(1895), but the combination merely implied not actually made by 
assini. — Foliis ovatis vel ovati-lanceolatis ; involucri squamis luteis ; 
achaeniis papposis. 
Var. livida (Robinson & Greenman), n. comb. Calea peduncularis, 
oe livida Robinson & Greenman, Proc. Am. Acad. xxxii. 24 (1896).— 
Foliis lanceolatis vel lanceolati-oblongis ; involucri squamis atropur- 
pureis ; achaeniis papposis. = 
PEREZIA HEBECLADA (DC.) Gray, var. urolepis, n. var., capitibus 
quam ea formae typicae majoribus 2.5 cm. longis ; involueri squamis 
exterioribus longis conspicue caudato-attenuatis interiores longitudine 
subaequantibus ; ceteris formae typicae simillima. — Sierra de Pachuca, 
Hidalgo, Mexico, alt. 2900 m., 10 December, 1907, Pringle, no. 13,975 
(type, in hb. Gray). : ‘ 
ezia nudiuscula, n. sp., gracilis erecta verisimiliter perennis ; 
caule gracili tereti purpurascenti glabro sparse foliato ; foliis lineari- 
bus vel lineari-oblanceolatis erectis firmiusculis acutis 2-4 cm. longis 
2-5 mm. latis glabris patente denticulatis sessilibus basi subamplexi- 
caulibus ; capitibus ca. 12-floris laxe corymboso-paniculatis 1.5-2.2 
cm. diametro graciliter pedicellatis ; pedicellis ascendentibus 1-3.5 
sere longis saepe bracteolas 1-2 subulatas gerentibus ; invol veri squamis 
valde inaequalibus apice acuminatis et purpurascentibus glabris, inter!- 
oribus lanceolato-oblongis ca. 1 cm. longis, intermediis ovati-lanceolatis 
Vioribus, extimis brevissimis parvis lanceolatis ; corollis purpureis ; 
' YOL. xi1y.— 40 
