50 
BOTA^^Y. 
in the Sierras, near Mono Pass. Abundant in the watered canons of Nevada 
and Utah ; 5-8,000 feet altitude ; May-August. (204.) 
Geranium Caeolinianum, L. From latitude 52° to Northern Mexico. 
Found in the West Humboldt Mountains, Nevada, and in Utah in the 
Wahsatcli and on Antelope Island; rare; 5-7,000 feet altitude; June- 
September. (205.) 
Var. LOjjGiPES. Peduncles usually solitary and, witli tlie pedicels, much 
elongated. This form is also frequent in California and is 111 Parry from 
Colorado. (206.) 
Erodium cicutarium, LTIer. Throughout the region west of the Eocky 
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 ; Maj^-December. (207.) 
Flcerkia 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.) 
RUTACEJ5. 
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.trifoUata 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^ myrsinites, Raf {Oreophila mijrtifoUa, Nutt.) Stems 1-2° 
high, very leafy; leaves roundish-oval or oblong, i-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 
1 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 obcouic 
4-Iob(;d calyx. Style very short ; stigma obsoletely 2-lobed. Capsule coriaceous, oblong, acute, 2-celled, 
loculicidally 2-valved ; cells l-S-seeded. Seeds inclosed in a white membranous dissected aril.— A low 
branched leafy glabrous shrub, with opposite short-petioled mostly serrate evergreen leaves and axil- 
lary ilowers. Benth. & Hook. 
