ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS. 297 
softly pubescent; leaves somewhat pubescent, deeply 3-cleft, the lobes more or less 
toothed or cleft, the teeth obtuse; bracts broad and obtuse; calyx 10 to 12 mi. long. 
This is the only gooseberry known in all Mexico proper and it has long been a 
desideratum in American herbaria. It was collected first by Hamboldt and Bonpland 
on their journey through Mexico during the last part of the eighteenth century, but 
we now have four recent collections of it to report: 
Mr. kK. W. Nelson’s no. 268 from Mount Orizaba collected March 18, 1894. 
Mr. C. G. Pringle’s no. 6303 (1896). 
Mr. ©. G. Pringle’s no, 6788 (1898). 
J. N. Rose’s no. 5399, from Tlaupujahua, Michoacan, collected July 12, 1901. 
The second and third collectings were made at the type locality, ‘Hl Guarda,” 
Serrania de Ajusco, in the Federal Distriet, where I have also seen the plant, but 
without obtaining specimens. ‘ 
The type locality El Guarda is on the old wagon road running over the mountains 
from the City of Mexico to Cuernavaca, and was the place where the soldiers were 
stationed to guard the road. Here Humboldt probably spent the night, going down 
the next day to the City of Mexico. 
Ribes quercetorum Greene, Bull. Cal. Acad. 1: 83. 1885. 
We have referred to Ribes quercetorium certain Lower Californian material collected 
by Mr. C. G. Pringle, heretofore passing as R. leptanthum var. Mr. Pringle’s speci- 
mens differ from that species in having the bark on first-year shoots redder, in their 
being glabrous and shining, and in having slightly differently shaped leaves, longer 
peduncles, and less pubescent pedicels. 
Ribes longiflorum Nutt. Bot. Reg. 2: under p/, 125. 1816. 
This currant was collected in northern Mexico in the State of Chihuahua by 
C. C. Parry and Charles Wright in 1851 and 1852 (no. 1093). Wright’s material was 
distributed as R. fenviflorum, but in the Mexican Boundary Report it is referred to 
R. aureum var. tenuiflorum. Mr. Hemsley in the Biologia refers it fo true 2. aureuin, 
A careful examination of this material leads me to the conclusion that it is neither 
typical R. longiflorum nor PR. aureum. 
Ribes nelsoni Coville & Rose, sp. nov. 
Shrub 1 to 2 meters high with strong vigorous branches; old branches grayish, 
elabrate but with yellow persistent sessile glands (as also found on both surfaces of 
the leaves, petioles, and bracts); young branches pubescent; leaves broadly ovate, 
3.5 to 7 em. broad, 3-lobed, the lobes acute, with a broad nearly truncate base, 
glabrous and shining above, paler and pubescent on the veins bene: ith, coarsely ser- 
rate; racemes somewhat drooping, shorter than the leaves, 6 to 10- flowered; bracts 
linear, longer than the pedicels; flowers “pale yellow’; calyx 10mm. long, pubescent 
without; tube 4 mm. long; lobes narrowly oblong, 6 mm. long; petals oblong, obtuse, 
3mm. long, longer than the stamens; anthers not tipped with a depressed gland; 
oe 
wary glabrous. 
Collected by C. H. T. Townsend and ©. M. Baker near Colonia Garcia, in the 
Sierra Madre of C hilmalua, May 30, 1899 (no, 2, type) and at the same station by 
kK. W. Nelson, August 25, 1899 (no. 6152). 
Closely related to R. american Mill. CR. floridum 1? Her.), but with yellow 
flowers, more pubescent calyx tube, ete. 
Ribes tortuosum Benth. Bot. Voy. Sulph. 17. 1844. 
Ribes palmeri Vasey & Rose, Proe. U.S. Nat. Mus. 11: 529. 1898. 
A bush 90 to 120 em. high; young branches clothed with a short close pubescence; 
leaves orbicular, 1.5 to 3em, in diameter, slightly 5-lobed, lobes rounded, puberu- 
lent; racemes short, few-flowered; calyx tube 2 to 3 mm. long, slightly longer than 
the sepals; ovary glandular pubescent; fruit red, smooth. 
Type locality: San Quintin, Lower California. 
