SAXIFRAGACEAE. 173 



tooth Gulch ; Mancos ; Ute Pass ; Golden ; Sangre de Cristo ; Hahn's Peak ; 

 Fish Creek Falls, Routt Co. 



6. SULLIVANTIA T. & G, 



I. SuUivantia Hapemanii (Coult. & Fish.) Coulter. {Boykinia Purpusi 

 Brandegee.) In rocky places from Wis. and Wyo. to Colo. — Black Canon 

 of the Gunnison. 



7. TELESONIX Raf. 



I. Telesonix Jamesii (Torr.) Raf. {Saxifraga Jamesii Torr.) On exposed 

 mountain-tops in Colo. — Alt. 8000-13,000 ft. — Mt. Garfield ; Pike's Peak ; Min- 

 nehaha. 



8. SAXIFRAGA L. Saxifrage. 



Flowers normal, none of them represented by clusters of bulblets. i. 5. debilis. 

 Flowers below the terminal one replaced by clusters of bulblets. 



Lobes of the stem-leaves linear to triangular lanceolate ; petals cuneate. 



2. S. cernua. 

 Lobes of the stem-leaves broad and rounded, as broad as long or broader ; petals 

 fiddle-shaped. 3. 5. simulata. 



1. Saxifraga debilis Engelm. Among wet rocks, on alpine peaks, from Mont, 

 to Colo, and Utah. — Alt. 9000-13,000 ft. — Mt. Hesperus ; Sierra Blanca ; Mt. 

 Abram, Ouray ; Front Range, Larimer Co. ; Redcliffe, Eagle Co. ; West 

 Spanish Peak ; Gray's Peak ; Cameron Pass ; Bottomless Pit, near Pike's 

 Peak; Ruby; Massif de 1' Arapahoe; mountains above Beaver Creek, 



2. Saxifraga cernua L. Among wet rocks, on alpine peaks, from Greenl. 

 and Alaska to Lab. and Colo ; also in Europe, — Alt. about 13,000 ft. — Mt. 

 Abram, Ouray. 



'3. Saxifraga simulata Small. Among rocks, on the higher peaks, in 

 the Black Hills of S. D. and Colo.^Alt. 10,000-13,000 ft. — West Spanish 

 Peak. 



9. MUSCARIA Haw. 



Leaves of the caudex with entire or slightly 3-toothed blades, i. M. adscendens. 

 Leaves of the caudex with 3-cleft or prominently 3-lobed blades. 



2. M. delicatula. 



1. Muscaria adscendens (L.) Small. {Saxifraga adscendens L.) Among 

 rocks, on alpine peaks, from Alb. and B. C. to Colo, and Utah. — Alt. 10,000- 

 13,000 ft. — Gray's Peak ; Deep Creek Lake ; West Spanish Peak ; Pike's Peak. 



2. Muscaria delicatula Small. On alpine peaks from Alb. to Colo, and 

 Utah.— Gray's Peak. 



10. MICRANTHES Haw. 



Filaments subulate or filiform-subulate, or rarely narrowly linear. 



Cymules wholly or mainly aggregated into a head, or one or two lower ones 

 remote or peduncled ; leaves petioled ; blades rhombic ovate. 



I. M. rhomboidea. 

 Cymules in narrow pyramidal or corymb-like panicles ; leaves subsessile, oblan- 

 ceolate-oblong. 

 Panicle wide, peduncles of the lower cymules elongated. 2. M. arnoglossa. 

 Panicle narrow; peduncles permanently very short. 3. M. brachypus. 



Filaments clavate or spatulate; petals spotted. 4- M. arguta. 



