. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 4. Thalictrum caulophylloides Small. Cohosh Meadow-Rue. Fig. 1935. Thaliclrum caulophylloides Small, Bull. Torr. Club 25: 136. 1898. Tall, 2j°-5l° high, the creeping rootstocks and the roots, pale. Stem finely striate, rather widely branched above; leaves 3-4-ternate, very short- pctioled, with the stipular appendages smaller than in T. coriaceum; leaflets thinnish, but firm


. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 4. Thalictrum caulophylloides Small. Cohosh Meadow-Rue. Fig. 1935. Thaliclrum caulophylloides Small, Bull. Torr. Club 25: 136. 1898. Tall, 2j°-5l° high, the creeping rootstocks and the roots, pale. Stem finely striate, rather widely branched above; leaves 3-4-ternate, very short- pctioled, with the stipular appendages smaller than in T. coriaceum; leaflets thinnish, but firm, broadly oval, suborbicular or somewhat reniform in outline, larger than in T. coriaceum, the terminal ones widet than long, all 3-5-lobed, pale or glaucous beneath; flowers dioecious, the staminate greenish, the anthers narrowly linear, larger, longer- and more slender- tipped than in T. coriaceum; pistillate flow'ers greenish-purple; achenes elliptic, acute, decidedly stalked, sharply ridged, much longer than the per- sistent style. On mountain sides and river banks, Maryland and Virginia near the District of Columbia and in eastern Tennessee. May-July. 5. Thalictrum revolutum DC. Waxy Meadow-Rue. Fig. 1936. Thalictrum revolutum DC. Syst. i: 173. '8i8. T. var. ceriferum Austin ; A. Gray, Man. Ed. 5. 39. 1867. Stem mostly stout, often purplish, 3°-7° high, glabrous or nearly so. Leaves 3-4-ternate, the lower petioled, the upper sessile or short petioled; leaflets firm in texture, ovate to obovate, 1-3-lobed above the middle or entire, dark green above, paler and waxy-resinous or glandular-pubescent beneath, their margins somewhat revolute: flowers dioecious or polygamous; filaments capillary or slightly thick- ened above, twice as long as the linear anthers, early drooping; achenes very short-stipitate or sessile, ridged. Woodlands, thickets and river-banks, Massachusetts to South Carolina. Ontario, Tennessee and Missouri. May-June. Plant strongly odorous.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913