116 Britton: CuBAN PLANTS NEw TO SCIENCE 
persistent ; receptacle foveolate; rays white; ligule linear, 1.6-1.8 
mm, long; achenes ellipsoid-cuneiform, 0.5 mm. long, hirsute 
with short hairs; pappus about twice as long as the achene. 
Upper Guama River, Sevilla Estate, near Santiago, Oriente 
(Taylor 181), forming moss-like patches. 
Erigeron Earlei Britton & Wilson, sp. nov. 
Loosely hirsute ; stems solitary or few together, slender, erect, 
about 2.5 dm. high, few-branched above. Leaves membranous, 
the basal and lower ones spatulate or oblanceolate, 3-4.5 cm. 
long, obtuse or rounded at the apex, coarsely crenate, narrowed 
into margined petioles or sessile, or the lowest with slender pe- 
tioles 1-2 cm. long, the uppermost oblong, acute, entire, I-2 cm. 
long, sessile; heads several, slender-peduncled, the peduncles 
bearing 1-3 linear or lanceolate bracts 1-4 mm. long; involucre 
subhemispheric, 4 mm. high, its bracts in about 2 series, linear- 
lanceolate, acuminate, the outer ones pilose, somewhat shorter 
than the inner, all reflexed in age and persistent; rays white; 
ligule linear, 1.5-1.7 mm. long; achenes oblong-ellipsoid, 0.6 mm. 
long, hirsute; pappus 2-3 times as long as the achene. 
Rocky river-bed, Hanabanilla Falls, Trinidad Mountains, 
Santa Clara (Britton, Earle & Wilson 4843). 
Borrichia cubana Britton & Blake, sp. nov. 
Shrub, oppositely branched, the stem and branches sparsely 
appressed-pilose, glabrate. Leaves opposite, the blades oblanceo- 
late to spatulate-obovate, 3-3.8 cm. long, 5-II mm. wide, mucro- 
nate-apiculate at the rounded apex, cuneately narrowed into the 
petiole, entire or sparsely spinulose-toothed below, coriaceous, 
obscurely triplinerved, canescent-lanate both sides; petioles nar- 
rowly margined, broadened and connate at base, 6-10 mm. long; 
peduncles terminal, rather sparsely appressed-pilose, thickened 
above, 5-7 cm. long; heads 2.2 cm. wide; disk subglobose, I-1.2 
cm. thick; involucre about 4-seriate, graduated, 8-9 mm. high, 
the outer phyllaries deltoid-ovate, acute and weakly mucronulate, 
with indurated base and spreading canescent-lanate apex, the 
inner broader, ciliate, otherwise subglabrous, with cuspidate- 
mucronate spreading tips about 2 mm. long; rays about 15, yel- 
low, oval, 6 mm. long; disk-corollas yellow, slender, glabrous, 5.8 
mm. long ; pales similar to the outer phyllaries, broad, indurated, 
ribbed, with erect stiffly mucronulate tips about 1 mm. long; 
achenes quadrangular, black, glabrous, 3 mm. long; pappus a 
thickened angulate crown 0.8 mm. long. 
