American journal of pharmacy . a. The roots attachedto several specimens furnished sufficient material to establish the pres-ence of pipitzahoic acid, and the specimens of great perfection servedas originals for the accompanying illustrations of these most interestingplants. Perezia nana Gr., of slender growth from 4 to 8 inches high, with aslender, creeping or ascending root-stock, articulated mostly, and thejoints and head of which are covered with tufts of fine woolly slender wiry stem is simple or sparsely branched from the base,slightly flexuous, angled and a little rough. The r
American journal of pharmacy . a. The roots attachedto several specimens furnished sufficient material to establish the pres-ence of pipitzahoic acid, and the specimens of great perfection servedas originals for the accompanying illustrations of these most interestingplants. Perezia nana Gr., of slender growth from 4 to 8 inches high, with aslender, creeping or ascending root-stock, articulated mostly, and thejoints and head of which are covered with tufts of fine woolly slender wiry stem is simple or sparsely branched from the base,slightly flexuous, angled and a little rough. The rigid, coriaceous leavesare shining, glandular, scabrous, strongly reticulate veined, roundishovate, If to 2 inches wide and but little longer, spinose toothed,sessile by a cordate base or amplexicaul. The large capitula areterminal, subsessile, 20-30 flowered with a campanulate involucre ofmucronate cuspidate, ciliated scales, arranged in three rows, of whichthe exterior ones are ovate and the interior lanceolate, all purplish. Perezla (Acourtia) nana, Gray (natural size).—1. Corolla. 2. Sta-mens. 3. Akene (magnified). 4. Floret (natural size).
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Keywords: ., bookcentury1800, bookidamerica, booksubjectpharmacy, bookyear1835
