620 PROCEEDINGS OF THE AMERICAN ACADEMY 



gathered at the coal-mine near Monte Diablo by Dr. Brewer." This 

 is doubtless a truly distinct species, growing six or seven feet high in 

 alluvial soil, the greenish-white Howers fully half an inch long, the 

 stem glabrous and glaucous. 



Thkltpgdium (Pachypodium, Nutt.) BRACHYCARPUM, Torr. (in 

 Wilkes's S. Pacif. Ex. Exped. Bot. W. Amer. t. 1) ; caule virgato ; 

 foliis caulinis parvis crebriusculis sagittatis integerrimis erectis; racemo 

 elongate angustissimo spiciformi; pedicellis calyce brevioribus; sepalis 

 linearibus; petalis angustissime linearibus; antheris mucronatis; siliquis 

 semi- aut sub-pollicaribus, valvis carinato-uninerviis. — Valley of Mono 

 Lake, alt. 6,500 feet. This well-marked species having been rediscov- 

 ered by Prof. Brewer, a diagnosis is here given, since that of Dr. 

 Torrey is still unpublished, and the plate is little known. Dr. C. L. 

 Anderson has collected it in Nevada, with a very long virgate spike, 

 and with some mature fruit. 



Smelowskia ? Californica : cinereo-puberula, glabrata ; radice ut 

 videtur annua vel bienni ; caule 1 — 2-pedali ; racemis demum panicula- 

 tis ; foliis pinnatipartitis, segmentis 5-7 oblongis obtusis saepe 3-5- 

 lobatis ; floribus parvis luteis ; calyce deciduo ; siliculis pusillis ellip- 

 ticis oblongisve utrinque acutis stylo brevissimo apiculatis, loculis 1-2- 

 spermis. — On Mount Dana, alt. 10,000 feet, June, in flower; and near 

 Mono Lake, alt. 6,450, July, with young fruit. — With its annual or 

 biennial root, and much the habit of Sispnbrium canescens, this would 

 render the genus Smelotvskia yet less natural ; but here it technically 

 belongs. The flowers are only a Une long ; the elliptical, ovoid, or 

 somewhat fusiform silicles one or two lines long ; valves very obscurely 

 one-nerved ; cells 2-ovulate. Young seeds oblong. 



Draba euryc arpa : multiceps, nana, stellato-tomentosa ; foliis spath- 

 ulatis integerrimis in caudice rosulato-confertis ; scapo leviter exserto 

 paucifloro; siliquis ovatis stylo subulato acuminatis glabris (^-^-poUi- 

 caribus). — On a peak of the Sierra Nevada south of Sonora Pass, alt. 

 11,500 feet. In fruit only, the seeds and most of the valves shed. The 

 tufts of leaves (half an inch in length) rise only about an inch above 

 the surface of the ground, and above them the large and silvery parti- 

 tions of the pods are very conspicuous. Funiculi short, about 10 in 

 each cell. 



Cleomella parviflora : tenuis, diffusa ; foliolis cum bracteis sim- 

 plicibus linearibus ; floribus parvis ; pedicellis filiformibus elongatis ; 



