176 
PARNASSIACEAE. 
i. PHILADELPHUS L. Syringa, Mock Orangeg. 
Hypanthium 4-5 mm. long ; sepals acuminate ; leaves much paler beneath ; styles 
united. 1. P. microphyllus. 
Hypanthium about 2 mm. long or in fruit 3-4 mm. long; sepals acute. 
Styles wholly or nearly wholly united ; stigmas usually oblong. 
2. P. occidentalis. 
Styles with the upper half distinct; stigmas decidedly clavate. 
3. P. minutus. 
1. Philadelphia microphyllus A. Gray. Mountains of N. M. and Colo.— 
Brantly Canon; Canon City ( Brandcgee ), “Colorado.” 
2. Philadelphus occidentalis A. Nels. Mountains from Wyo. to Colo, and 
Utah.—Alt. 5000-7000 ft.—Canon City; Glenwood Springs (A. Nelson). 
3. Philadelphus minutus Rydb. Canons of Colo.—Alt. 7000 ft.—Black 
Canon of the Gunnison. 
2. EDWINIA Heller. 
1. Edwinia americana (T. & G.) Heller. ( Jamcsia americana T. & G.) 
On cliffs, mountain sides and in canons, from Wyo. and Utah to N. M.— 
Alt. 5000-10,000 ft.—Rist Canon; Minnehaha; Pike’s Peak; Rock Mountain 
Pass; Ward; West Spanish Peak; Central City; Engelmann’s Canon; North 
Cheyenne Canon; Green Mountain Falls; foot-hills, Larimer Co.; George¬ 
town ; Canon City; headwaters of Clear Creek and alpine ridges east of Mid¬ 
dle Park; Manitou; Graymont; Narrows, Moon’s ranch; Horsetooth Gulch; 
Soldier Canon; Howe’s Gulch; Pennock’s mountain ranch; mountains be¬ 
tween Sunshine and Ward; Eldora to Baltimore. 
3. FENDLERA Engelm. & Gray. 
1. Fendlera rupicola Engelm. & Gray. On hills from Colo, to N. M. and 
Ariz. ; also in Mex.—Alt. 5000-8000 ft.—Durango ; Mancos ; Cerro Summit ; 
Los Pinos; Hotchkiss, Delta Co.; Dolores. 
Family 65. GROSSULARIACEAE. Gooseberry Family. 
1. RIBES L. Goose-berry, Currant. 
Leaves plicate in vernation. 
Stems usually with subaxillary spines. 
Racemes 1-4-flowered ; hypanthium campanulate to tubular. 
Calyx and tube of hypanthium externally glabrous or the former with a few 
scattered hairs. 
Peduncles and bracts more or less glandular or pubescent; leaves finely 
puberulent. 1. R. Purpusi. 
Peduncles and bracts glabrous or the latter ciliate; leaf-blades cordate 
at the base, in age glabrose and shining. 2. R. vallicola. 
Calyx and hypanthium pubescent. 3. R. leptanthum. 
Racemes several-flowered ; hypanthium saucer-shaped. 
Leaves densely pubescent; fruit red. 4. R. lentum. 
Leaves glabrate; fruit black. 5. R. parvulum. 
Stem unarmed ; raceme many-flowered. 
