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 Piirpusi 



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

 of the Gunnison. 



7. TELESONIX Raf. 



I. Telesonix Jamesii (T(5rr.) 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. S.xxifrage. 



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

 Flowers below the terminal one replaced by clusters of bulblets. 



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



2. S. ceniua. 

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

 fiddle-shaped. 3- S. 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.; Redcliflfe, Eagle Co.; West 

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

 Peak; Ruby; [Massif de I'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. hrachypus. 



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



