50 BOTANY. 



in the Sierras, near Mono Pass. Abundant in the watered canons of Nevada 

 and Utah ; 5-8,000 feet altitude ; May-August. (204.) 



Geranium Cabolinianum, L. From latitude 52° to Northern Mexico. 

 Found in the West Humboldt Mountains, Nevada, and in Utah in the 

 Wahsatch and on Antelope Island; rare; 5-7,000 feet altitude; June- 

 September. (205.) 



Var. LONGIPES. Peduncles usually solitary and, with the pedicels, much 

 elongated. This form is also frequent in California and is 111 Parry from 

 Colorado. (206.) 



Eeodium cicutaeium, L'Her. Throughout the region west of the Rocky 

 Mountains, from New Mexico and Southern California to Washington Terri- 

 tory ; sufficiently abundant in localities to be of value for pasturage. At 

 4-5,000 feet altitude ; May-December. (207.) 



Flceekia proseepinacoides, Willd. From Western New England and 

 Pennsylvania to Missouri. Found in Parley's Park, in the Wahsatch Moun- 

 tains, Utah ; 6,500 feet altitude ; June. (208.) 



RUTACE^. 



Ptelea angustifolia, Benth. A Ptelea was reported by Mr. H. Custer, 

 of the Topographical Corps, as seen by him in the upper part of the 

 Wahsatch Range. No specimens were collected, and none was seen else- 

 where. It is probably this species, which occurs in New Mexico, Arizona, 

 and California; distinguished from P. trifoliata by its much smaller and more 

 emarginate fruit, and by its oblong or lanceolate leaves, pubescent or villous, 

 becoming smooth and shining with age. (209.) 



CELASTRINE^. 



Pachystima^ myesinites, Raf [Oreophila myrtifolia, Nutt.) Stems 1-2° 

 high, very leafy ; leaves roundish-oval or oblong, 2-9" long ; flowers somewhat 

 fascicled, on short peduncles, small, green, or brownish, apparently always 

 perfect. — Found in flower in September and in the following May, and per- 

 fecting its fruit in July. From Washington Territory throughout the Rocky 



' PACHYSTIMA, Raf. Petals and stamens 4, inserted on or below the margin of the broad flat 

 quadrangular disk that covers the small pyramidal ovary and adheres to the throat of the short obconio 

 4-lobed calyx. Style very short ; stigma obsoletely 2-lobed. Capsule coriaceous, oblong, acute, 2-celled, 

 loculicidally 2-valved ; cells 1-2-seeded. Seeds inclosed In a white membranous dissected arU. — ^A low 

 branched leafy glabrous shrub, with opposite short-petioled mostly serrate evergreen leaves and axil- 

 lary flowers. Benth. & Hook. 



