Part 3, 1908] GROSSULARIACEAE 219 
petioles, glandular-pubescent ; bracts broadly ovate, obtuse, glandular-pubescent, longer than 
the short pedicels ; ovary smooth; hypanthium glabrous, 3 mm. long ; sepals sparingly pu- 
bescent, about 6 mm. long; petals dark-red, about two-thirds as long as the sepals; style 
glabrous ; stamens about three fourths as long as the petals ; anthers oblong, about 1.5mm. 
long; berry smooth, globose, 8 mm. or more in diameter. 
TYPE LOCALITY : Neat Quebrada Honda, Durango. 
DISTRIBUTION : Known only from the type locality. 
21. Grossularia microphylla (H.B.K.) Coville & Britton. 
Ribes microphyllum H.B.K. Nov. Gen. & Sp. 6: 62. 1823. 
Ribes subvestitum microphyllum Zabel, Handb. Laubh. Deuts. Dendr, Ges. 36. 1903. 
A shrub 1-2 m. high, the young twigs villous. Leaves ovate-orbicular to reniform- 
orbicular in outline, 3-5-lobed and incisely dentate, thin, 2.5 cm wide or less, somewhat 
pubescent on both sides, the villous petioles shorter than the blades; peduncles 1- or 2- 
flowered, shorter than the leaves, villous and with some glandular hairs; bracts broad, 
membranous, glandular and pubescent, longer than the very short pedicels; ovary glabrous ; 
hypanthium cylindric, yellow or reddish, loosely pubescent and glandular, about 6 mm. 
long and 3 mm. thick ; sepals lanceolate, reddish-yellow, loosely pubescent, about as long 
as the hypanthium ; petals obovate to spatulate, retuse, shorter than the sepals; stamens 
about as long as the petals, the oblong anthers obtuse; style glabrous; berry globose, 
glabrous, about 8 mm. in diameter. 
TYPE LOCALITY: El Guarda, Mexico. 
DISTRIBUTION: States of Mexico, Michoacan, and Vera Cruz. 
ILLUSTRATION: Mém. Soc. Genéve 353: f- 104. 
22. Grossularia leptantha (A. Gray) Coville & Britton. 
Ribes leptanthum A. Gray, Mem. Am. Acad. II. 4: 53. 1849. 
Ribes leptanthum veganum Cockerell, Proc. Biol. Soc. Wash. 15: 99. 1902. 
Ribes leptanthum genuinum Jancz. Mém. Soc. Genave 35: 380. 1907. 
A shrub 2 m. high or less, the branches smooth or sometimes bristly; nodal spines 
acicular, 0.5-1.5 cm. long. Leaves orbicular or reniform-orbicular in outline, 3-cleft or 
5-cleft, crenate-dentate, truncate at base or cordate with a usually wide sinus, thin, 0.5-2 
cm. wide, varying from nearly or quite glabrous to pubescent on both sides and somewhat 
glandular; the petioles as long as the blades or shorter, more or less pubescent, sometimes 
with some glandular hairs; peduncles 1- or 2-flowered, shorter than the leaves; pedicels 
very short or none; bracts small, ovate or rounded; ovary glabrous or sometimes glandu- 
lar-pubescent ; hypanthium greenish, nearly cylindric, 4-6 mm. long, about half as thick 
as long; sepals greenish-white, pubescent, about as long as the tube; petals spatulate, white 
or tinged with pink, about half as long as the sepals and as long as the stamens; anthers 
oval, notched; style glabrous, 2-fid at the apex; berry 6-8 mm. in diameter, glabrous or 
glandular-hispid. 
TYPE LOCALITY: Rocky banks of the Rio del Norte [Rio Grande] and ravines near Santa Fé 
[New Mexico]. 
DISTRIBUTION : New Mexico, Colorado, Utah, and Arizona. 
ILLUSTRATIONS: C. K. Schneid. Handb. Laubh. 1: f. 262 x, vy; Janez. loc. cit. f. 105 ; Garten- 
flora 53: f. 60. 
23. Grossularia lasiantha (Greene) Coville & Britton. 
Ribes lasianthum Greene, Pittonia 3: 22. 1896. 
Low and with stout spreading branches, little over 6 dm. high, the branches glabrous, 
the young shoots puberulent; nodal spines mostly 3 together, subulate, yellowish, 1.5 cm. 
long or less. Leaves reniform-orbicular, 3-5-lobed, crenate-dentate, 1-2 cm. wide, glan- 
dular and sparingly pubescent on both sides, or almost glabrous, rather firm in texture, the 
densely pubescent petioles as long as the blades or shorter and bearing some gland-tipped 
hairs; peduncles pubescent, 2-4-flowered, about as long as the petioles; pedicels shorter 
than the broad pubescent bracts; ovary glabrous or with a few hairs; hypanthium yellow, 
about 4-5 mm. long, cylindric, narrow, pubescent; sepals oblong-spatulate, yellow, 2.5-3.5 
mm. long; petals spatulate, shorter than the sepals, about as long as the stamens. 
