PLANTS COLLECTED BY DR. GAMBEL. 181 
margin, pale brown. Leaves rather narrow, and rough, as usual ; two to three inches 
long, narrowed below, about half an inch wide. 
Has. Sandy hills along the borders of the Rio del Norte. Santa Fé, ( Mexico.) 
Flowering in August. 
NICOTIANA. 
N. *caupaTa. Annual; leaves lanceolate, sessile, acuminated with very long caudated points ; flowers 
conglomerate in a terminal panicle upon short peduncles; segments of the calyx and corolla much 
acuminated. 
With a very extraordinary character, still closely allied to V. tabacum. The lower 
lanceolate leaves are not less than eighteen inches long, with slender acuminated 
points in addition, of five or six inches in length. Segments of the calyx pubescent, 
and viscid, lanceolate, and much acuminated. Corolla pale red, with a long, slender, 
viscidly pubescent tube, more than an inch in length. 
Has. Near Monterey, Upper California. 
SAMOLUS. 
S. FLoRIBUNDUS, (Kunth.) Santa Barbara. 
SIEVERSIA. 
S. parapoxs. Don. Lin. Trans. v. 14, t. 22. £ 7—10. Fallugia, (Endlicher.) 
Gen. No. 6385. 
A common straggling bush, four or five feet high, with very showy racemes of 
bright yellow flowers. Dr. Gambel states that the branches are collected by the 
inhabitants and tied together for the purpose of making brooms. Flowers in J uly 
and August. Not sufficiently distinguishable from Sieversia, and ought to form a 
mere division in that genus. 
Has. Santa Fé, New Mexico. 
ERIODYCTION. 
E. *anaustirotium. Stem and younger leaves glutinous; leaves long, linear, entire, revolute on the 
margin; beneath canescent and reticulated ; flowers small, in paniculate cymes; sepals linear, 
somewhat hirsute. 
Allied to £. glutinosum, but with much narrower leaves, Flowers (apparently 
small,) disposed in a panicle near a foot in length; the branches terminating in bifid 
or trifid conjugate spikes or cymes. ‘Leaves linear, crowded, three or four inches 
long, entire, one to two lines wide; when young very glutinous above. Calyx 
small. Capsules small, ovate, containing very few seeds. 
Has. On the Sierra of Upper California; not seen in flower. 
3 HUMULUS. 
i. #4 MERICANUS. Leaves three to five-lobed, the upper sometimes entire ; inner divisions lanceolate- 
? 
acuminate, denticulate along the apex; scales of the cone ovate, acute, the lower ones acuminate. 
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