ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS, 283 
Wimmeria guatemalensis Rose, sp. nov. 
Shrub with many short stubby branches; branches very pubescent; leaves small, 
8 to 12 mm. long, obovate to spatulate, thickish, obtuse to retuse, pubescent on both 
surfaces, subentire; flowers not seen; pedicels pubescent; fruit 6 to 10 mm. long, 
glabrous. 
Collected by E. W. Nelson near Nenton, Guatemala, December 13 to 15, 1895 
(no. 3522). 
This species is nearest W. pubescens, from which it is distinguished by its some- 
what different leaves and glabrous fruit. 
Type U. 8. National Herbarium no. 274039. 
Wimmeria lanceolata Rose, sp. nov. 
Shrub 3 to 5 meters high; branches pale, glabrous; leaves lanceolate, 10 em. or 
more long including the slender petiole, cuneate at base, long-acuminate, glabrous, 
coarsely crenate; flowers in small cymes; sepals orbicular, ciliate; petals cream- 
colored; fruit 12 to 18 mm. broad, 10 mm. or less high, strongly notched at apex, 
glabrous. 
Collected by J. N. Rose and Jos. H. Painter near Iguala, Guerrero, August 10, 1905 
(no. 9287, type), and by C. G. Pringle near Balsas Station, Guerrero, September 
27, 1900 (no. 13511). 
Type U. 8. National Herbarium no, 452771. 
Nearest W. persifolia Radlk., from which it may be known by its more lanceolate 
leaves not at all pubescent on the’ midrib and with coarser teeth, as well as by its 
strongly notched fruit. 
Wimmeria microphylla Radlk. Bot. Centralbl. 15: 359. 1903, 
Collected by J. N. Rose and Jos. H. Painter near Tehuacin, 1905 (nos. 10013, 
10129) and by J. N. Rose near the same locality, 1906 (nos. 11242, 114384). 
RHAMNACEAE. 
SIX SPECIES OF CEANOTHUS, FOUR NEW. 
Ceanothus australis Rose, sp. nov. 
Shrub, 2 to 3 meters high, spineless; branches very regular, elongated, 10 to 15 
cm. long; leaves opposite, 10 to 18 mm. long, much longer than the internodes, one- 
nerved, thick, often retuse at apex, pale green; stipular glands large and long-per- 
sistent; pedicels slender, pubescent; flowers white. 
Collected by E. W. Nelson near Coixtlahuaca, Oaxaca, November 12, 1894 (no. 1914). 
Type U. 8. National Herbarium no. 569221. 
This species belongs to the section Cerastes and is perhaps nearest (. greggii, but it 
has much longer branches and larger leaves. 
Ceanothus candolleanus Rose, sp. nov. 
Bush 3 to 5 meters high; young branches pubescent; leaves oblong, above gla- 
brous or at least glabrate, beneath densely brownish-tomentose, 5-nerved, rather broad 
at base, obtuse, serrate, the teeth tipped by red (in age black) glands; pedicels slen- 
der, 4 to 5mm. long, glabrous, bluish; calyx teeth acute; petals blue. 
Specimens examined: 
Federal District: Near Mslava, C. G. Pringle, November, 1903 (no, 11395); San 
Nicolas, M. Bourgeau, 1865 (no. 994). 
Type U. 8. National Herbarium no. 460858, 
This species seems to be the C. azureus of DeCandolle’s Prodromus” which came 
from San Angel near the two stations mentioned above. Here may also belong the 
(42:31. 1825. ) 
3 
64368—voL 12, pr 7-—09 
