CATALOGUE. 7 



is inserted above the base, often very considerably so." (Grray, MSS.) From 

 the east foot of the Sierras to Salt Lake, on the foot hills, and occasionally in 

 the canons, at an altitude of 5-9,000 feet. May-July. Plate I. Fig. 1. 

 A plant in flower ; natural size. Fig. 2 and 3. Sepal and petal ; enlarged 

 tw^o diameters. Fig. 4. Matured head, shovi^ing the receptacle, the per- 

 sistent calyx and marcescent corolla, and a portion of the achenia ; natural 

 size. Fig. 5. Achenium, twice the natural size, with one side removed, show- 

 ing the seed in position and the ventral wing. Fig. 6 and 7. The winged 

 seed with its rhaphe, and the embryo ; enlarged four diameters. (16.) 



Var. TENELLUS. More delicate and slender; stems 1° high, with some- 

 times a leaflet above the middle similar to the radical leaves ; petals and 

 achenia rather smaller, and the latter less numerous and crowded. Pilot 

 Rock Point, Salt Lake, Utah. Plate I. Fig. 8. Plant ; natural size. Fig. 

 9 and 10. Petal and sepal; enlarged two diameters. (17.) 



Ranunculus alism^polius, Greyer., Var. montanus. Low (6' high,) 

 alpine ; stems ascending ; leaves entire ; carpels rather shorter-beaked than 

 usual in the species. — It is 79 Parry and 15 Vasey, from Colorado, and 1684 

 Brewer, from Lake Tenago, in the Sierra Nevada. The species is dis- 

 tinguished from R. Flammula not only by the longer-beaked achenia, but also 

 by the more prominent scale and deeper nectary of the larger petal. 

 Shore of Marian Lake in the East Humboldt Mountains, Nevada, and at the 

 head of Provo River in the Uintas ; 9,000 feet altitude ; June-August (18.) 



Ranunculus Flammula, L., Var. eeptans. Gray. New England to Cal- 

 ifornia and northward to the Arctic Ocean. Found only on the upper Bear 

 River in the Uinta Mountains, Utah ; 8,000 feet altitude ; August. (19.) 



Ranunculus Cymbalaria, Pur§h. The most abundant of the species 

 occurring in Nevada and Utah, preferring subsaline or alkaline soils; 4-6,000 

 feet altitude ; May-September. From New Jersey and the Great Lakes to 

 California, and northward to the Arctic Circle. (20.) 



Ranunculus affinis, Br. Radical leaves petioled, usually pedately mul- 

 tifid ; cauline ones subsessile, digitate, with broadly linear lobes ; stem erect, 

 few-flowered ; carpels with recurved beaks, in oblong-cylindrical heads ; more 

 or less pubescent throughout. — Referred by Dr. Hooker to R. auricomus, from 

 which it difiers only in its oblong heads. Var. leiocaepus, Trautv., with the 

 lower leaves less divided, slightly lobed or only deeply crenate; 1-1 i° high; 

 flowers rather small and carpels somewhat pubescent Growing in the Uinta 



