BOTANY. 
13 
SOLANACEiE. 
Solanum pterocaulum, Dunal in D. C. Prodr., vol. XIII, sect. 1, p. 52. Pos£ creek ; July. 
Solanum Californicum ? DunalinD. C. Prodr., vol. XIII, sec. 1 , p. 86. A spreading plant 
not over a foot high, with purplish black berries and large light purple flowers. Fort Miller ; 
July. 
Datura metel, Linn, in D. C. Prodr., vol. XIII, sec. 1, p. 543. Abundant at Fort Miller 
and upwards ; July. 
SALSOLACEiE. 
Obione occidentalis, Moq. in D. C. Prodr., vol. XIII, sec 11, p. 112. Side hills, abundant 
in southern California ; August. 
Obione Barclayana ? Benth. in D. C. Prodr., vol. XIII, sec. 11, p. 112. Differs by the 
petioles being 1-3'" long. We have only the male flowers. Growing in hushes, rounded in 
their forms, about six feet high. Branches numerous, forming a thick and dense mass. Pose 
creek ; August. 
Obione bracteosa, nova species. Planta herhacea, 2-3-pedalis, oleracea farinoso-lepidota, 
monoica. Rami sulcati, apicihus masculiferis paniculatis ; parte inferior! foliosa et singulis 
axillis spicam foemineam hracteosam prodentes. Internodia vel minora. Folia fusco-viridia 
glauca memhranacea, sessilia, lanceolata acuminata mucronata, passim dentata vel integra, 
pollicaria vel minora, superne minus lepidota. Florum masculorum glomeruli globosi, in spicas 
laxiores, paniculum ehracteatum terminalem constituentes, dispositi. Flores foeminei in brac- 
tearum axillis glomerati; bractese attenuate, maxime acutatae, albido-lepidotae. Thecae imma¬ 
ture V" longae, subgloboso-lenticulares, reticulatse, cristis foliaceis muricatae, alatae acuteque 
apicatae. 
An herbaceous monoecious plant, 2-3 feet high, with furrowed branches about a foot or more 
long. The top nearly destitute of leaves, branching into a panicle composed of simple inter¬ 
rupted spikes of globosely-glomerate male flowers, and the lower part hearing in the axil of each 
leaf a bracteose spike of female flowers. Internodes or less. Leaves oleraceous, sessile, 
lanceolate acuminate, mucronate, sparsely dentate or entire, 1" or less long, darkish, rather 
glaucous, less lepidote on the upper surface. Female spikes crowded with attenuated and 
strongly pointed whitish lepidote bracts. The immature thecae orbicularly suhglobose, reticu¬ 
lated, winged, muricated, and acutely tipped with jagged leafy crests. Growing in large 
bushes in bottom lands. Pose creek ; August. 
POLYGONACEiE. 
Eriogonum angulosum, Benth. in D. C. Prodr., vol. XIV, now in press ; E. Simpsoni, Torr. 
ined. About a foot high, very tomontose. Leaves, above the baseal whorl, by twos, 
besides the clasping reflexed and very brittle bracts that irr the number of 3 are present at 
each node throughout the genus. Pedicels smooth, setiform, unilateral. Involucre turbinate. 
Paleolae obovate spathulate, very woolly, verdant or brownish at their exserted tips. Flowers 
small, numerous, whitish or light flesh-colored. We have two states of inflorescence different 
1 n appearance. Pose creek ; September, on the margin of streams. 
Eriogonum fasciculatum, Nutt f A low, stoutish, and much branched shrub, with a brown 
tattered bark on the lowest branches. Leaves elliptic oblong, fasciculate and slightly revolute. 
