112 PROCEEDINGS OF THE AMERICAN ACADEMY 
PEREZIA HEBECLADA, Gray (Pl. Wright. I. 127). This rare spe- 
cies has been rediscovered by Mr. Pringle, and his excellent specimens 
show the following additional characters. Leaves coriaceous, crowded, 
strongly reticulate, oblong, sagittate-cordate, abruptly pointed, 4 inches 
or more in length, nearly half as wide; the upper gradually dimin- 
ishing in size, acuminate. — Pedrigal, Valley of Mexico, Federal Dis- 
trict, December, 1892 (n. 4360). 
PEREZIA VERNONIOIDES, Gray (Proc. Am. Acad., XXII. 493), 
founded upon Palmer’s no. 745 from Jalisco, proves to be a form of 
Vernonia serratuloides, HBK. 
Lopeia Picta. Glabrous, 6-8 inches in height: stems slender, 
decumbent, rooting from the lower joints, simple or with one or two 
branches from near the base, leafy, minutely angulate through the de- 
current margins of the leaves : leaves linear, sessile, narrowed vio 
obtusish poiut, inconspicuously appressed-serrulate, 1-veined, thickish, 
1 inch in length, } line in width; a few of the lowest leaves of a Very 
different form, broadly spatulate, obtuse, 3—4 lines long, narrowed 
to a very slender petiole 6-8 lines in length: inflorescence spicate- 
racemose, raised on a naked peduncle an inch or more in length: bracts 
linear, 1-2 lines long, the lower equalling, the upper exceeding the 
pedicels: flowers nodding, } inch in length: calyx tube symmetri- 
cal, becoming in fruit almost hemispherical, exceeded by the lineat 
acute serrulate teeth: corolla tube not equalling the calyx teeth, lobes 
lanceolate or ovate-lanceolate, acute, 3 lines in length, light blue oF 
white, conspicuously pencilled with dark blue: filaments short, pubes- 
cent: anthers hispidulous, the two lower slightly smaller, tufted at 
the apex, the other three with minute sete. — Cold springy meadows 
Sierra de las Cruces, October, 1892 (n. 4305). A very attractive 
species with small but beautifully variegated flowers; to be distin 
guished from LZ. Orizabe, Mart. & Gal., and L. pauci flora, HBK., 
by its very short corolla tube, by the hispidulous anthers, ete-; ~. 
L. Trasuensis, Plan. & Oerst., by the symmetrical calyx not acute # 
the base. : 
‘ARCTOSTAPHYLOS RUPESTRIS. A shrub 4-10 feet high with 
brown shreddy bark: leaves 4—5 inches long, coriaceous, oblong 
tic, acute at both ends, finely serrate with cartilaginous teeth, whe 
young erect, pubescent above, densely ferruginous-tomentose = 
under surface, with age reflexed, glabrate above, and becoming aes 
tomentose and tawny beneath, not however glabrate : racemes of 
panicle rather loosely flowered, scarcely at all secund, covered with @ 
fine grayish pubescence; bracts crimson, lanceolate, 3. lines long; 
