Part 1, 1914] ERICACEAE 67 
1-3 em. long, obtuse or acutish, smooth and shining above, dull beneath, or more or less 
reticulate on both sides, somewhat scurfy beneath, short-petioled; panicles cluster-like, often 
approximate; calyx about 5 mm. wide, the lobes deltoid or ovate-deltoid, acute; corolla 3-4 
mm. long; filaments puberulent; anthers fully 1 mm. long; capsules subglobose or depressed, 
3.5~4 mm. long. 
Type Locality: Cofre de Perote, Vera Cruz. 
DISTRIBUTION: Mexico. 
4. Xolisma heptamera (Urban) Small. 
Lyonia heptamera Urban, Symb. Ant. 1: 376. 1899, 
A much-branched shrub 2 m. tall or less, with brown-scurfy stout twigs; leaves not 
crowded, the blades very thick-leathery, broadly ovate, 3.5-6 cm. long, obtuse or rounded 
at the apex, shining above, coarsely reticulate and more or less brown-scurfy beneath, with 
the stout midrib and lateral veins prominent, stout-petioled; racemes 3-10 cm. long, the 
peduncle and pedicels red-tomentulose; calyx-lobes 6 or 7, deltoid or ovate-deltoid, 3-3.5 mm. 
long, acute; corolla pale, densely scurfy, conic, 9-12 mm. long, the lobes ovate, much shorter 
than the tube; filaments about 8 mm. long, dilated at the base; anthers oblong, about 3 mm. 
long; capsules spheroidal, 5-6 mm. wide. 
“TypH LocaLity: Pico del Valle, Santo Domingo. 
DIstTRIBUTION: Santo Domingo. 
5. Xolisma dictyoneura (Urban) Small. 
Lyonia dictyoneura Urban, Symb. Ant. 7: 533. 1913. 
A much-branched shrub with brown- or pale-scurfy stoutish twigs; leaves bright-green 
or yellowish-green, the blades 3-5cm. long, acute or obtuse at the apex, shining above, 
prominently reticulate and somewhat scurfy beneath, with the midrib and lateral veins 
very prominent, stout-petioled; racemes 1-2.5 cm. long, the peduncle and pedicels red- 
pubescent; calyx-lobes 5 or 6, broadly ovate to deltoid-ovate, 2.5-3 mm. long, acute or 
abruptly short-acuminate; corolla white, scurfy, broadly urceolate, 6-7 mm. long, the lobes 
triangular-lanceolate, much shorter than the tube; filaments about 4.5 mm. long; anthers 
about 2.3 mm. long; capsules not seen. 
Type LocaLity: Culo de Maco, Azua, Santo Domingo. 
DIsTRIBUTION: Known only from the type locality. 
6. Xolisma calycosa Small, sp. nov. 
A small tree, often 3-4 m. tall, with densely brown-scurfy twigs; leaves not crowded, the 
blades leathery, oval or broadly elliptic, varying to slightly broadest above: the middle or 
below it, obtuse or rounded at the apex, ultimately glabrous, slightly shining above, pale and 
slightly reticulate beneath, with the midrib prominent and the lateral veins not very prominent, 
rather long-petioled; racemes cluster-like, 1-2.5 cm. long, the pedicels densely brown-scurfy; 
calyx-lobes 5, lanceolate, 4-5 mm. long, acuminate; corolla white, somewhat scurfy, ovoid- 
conic, 6-7 mm. long, the lobes triangular-oygte, much shorter than the tube; filaments 4-5 
mm. long, abruptly dilated at the base; anthers oblong, nearly 2 mm. long; capsules ovoid, 
6-7 mm. long. 
Type collected between Firmeza and Gran Piedra, Cuba, March 4, 5, 1911, Shafer 8997 (herb. 
N. Y. Bot. Gard.). ; 
DIstRIBUTION: Known only from the type locality. 
7. Xolisma myrtilloides (Griseb.) Small. 
Lyonia myrtilloides Griseb. Cat. Pl. Cub. 50. 1866. 
Lyonia myrtilloides parvifolia Griseb. Cat. Pl. Cub. 51. 1866. 
Lyonia myrtilloides ovatifolia Griseb. Cat. Pl. Cub. 51. 1866. 
A much-branched shrub mostly less than 4 m. tall, with pale- or reddish-scurfy twigs; 
leaves numerous, sometimes rather crowded, light-green, the blades very thick, oval, obovate, 
or cuneate, mostly 1-2.5 cm. long, obtuse or rounded at the apex, ultimately glabrous or nearly 
so, mostly dull and smooth above, slightly veiny beneath, short-petioled; panicles cluster-like, 
the pedicels ultimately nearly glabrous; calyx 3-3.5 mm. wide, the lobes 5, deltoid, acute or 
acutish; corolla white or nearly so, scurfy, ovoid, about 4 mm. long, the lobes very broad, 
