80 



DISTRIBUTION OF PLANTS. 



Gen. Compos. (No. 1). Small; with linear leaves; and a single terminal flower. 



( Lucilia? No. 1). Gnaphalioid ; and at the same time, Helichrysum -like. On the Up- 

 land plain, and elsewhere. The same species formerly collected by Baldwin at the 

 mouth of the La Plata. 



(Chabraea ? No. 1) ; gen. Compos. The leaves finely pectinate. 



Gen. incert. (No. 1) ; perhaps not belonging to the Compositae. Herbaceous, yet having 

 the habit of Epacris and Styphelia ; not seen in flower. On the tract of sand-hillocks. 



Gen. incert. (No. 1) ; perhaps not belonging to the Compositae. A shrub ; the leaves 

 small, triangular, broadest at the apex, and three-pointed ; not seen in flower. 



Vernonia-like (No. 1). In the marshes and infiltrated ground along the river-bank. The 

 same species formerly collected by Baldwin at the mouth of the La Plata. 



Stevia ? (No. 2). The leaves linear, entire. 



(Chiliotrichum ? No. 1). Having the habit of the Magellanic Amellus diffusus. Grow- 

 ing on the Upland plain. 

 Gen. Amellus-like (No. 1). Leaves linear, entire, curved. On the Upland plain. 

 (Podocoma? No. 1). Erigeron-Iike ; with large flowers, but the floret-rays yellow. 

 (Ca3notus ? No. 9). Somewhat resembling C. Canadensis. 



Chaetopappa-like (No. 1). Small ; and having small white flowers. Growing on the 



river-bank, within reach of the infiltration. 

 Grindelia (No. 6) ; the flowers small. On the tract of sand-hillocks. 



(No. 7). A large coarse plant; glutinous. On the tract of sand-hillocks. 



Solidago (No. 23). In the drifting sands of the sea-shore. 



Bigelowia? (No. 12); compare Chrysocoma. Having dense upright branches, with linear 



leaves and terminal flowers. 

 ? (No. 13) ; compare Chrysocoma. Rigid, and ^almost aphyllous. " Used for 



brooms." 



Gen. Bigelowia-like (No. 1). Small; having the habit of the preceding plant. 

 Gen. Brachyris-like (No. 1); but the flowers cream-colored. 

 Baccharis (No. 10) ; trialate. On the Upland plain. 



(No. 11) ; normal ; but only three inches high. 



(No. 12) ; perhaps not distinct from No. 11 ; larger. 



Gen. Compos. (No. 1). Procumbent, coarse; large flowers, with small floret-rays ; the 



receptacle with short paleae. 

 Gen. Compos. (No. 1) ; the receptacle paleaceous. 



Gen. Compos. (No. 1) ; the leaves margined with white prickles. On the tract of sand- 

 hillocks, and elsewhere. 

 Unxia? (No. 1); habit of Eclipta. On the river-bank, within reach of the infiltration. 



Sonchus (oleraceus?; compare Western Oregon, our Atlantic States, Peru, New Zealand, 



Auckland Island, and No. 2 Malta). Leaves runcinate; the calyx fleshy at base. 



Growing spontaneously, but doubtless introduced. 

 Centaurea?. Annual. Naturalized; growing spontaneously on the tract of sand-hillocks 



and throughout the Upland plain. 

 Cynara cardunculus. Not exceeding three feet in height. Naturalized on the tract of 



sand-hillocks. 



Anthemis cotula, (compare United States). Naturalized. 



