PIPEWORT FAMILY. 373 
1. Dupatya flavidula (Michx.) Kuntze. Dupatya. (Fig. 902.) 
Eriocaulon favidulum F\. Bor. Am. 2: 166. 1803. 
Paepalanthus favidulus Kunth, Enum. 3: 532. 1841. 
Dupatya flavidula Kuntze, Rev. Gen. Pl. 745. 1891. 
Leaves 3-5-nerved, 1’—2’ long, awl-shaped, woolly 
at the base, glabrous or sparingly pubescent above. 
Scapes numerous, 5-angled, pubescent, 4’—12’ high; 
sheaths longer than the leaves, slightly inflated 
above, pubescent; involucral bracts straw-colored, 
glabrous, obtuse, oval, shining, somewhat pubes- 
cent at the base; receptacles glabrous or slightly 
pubescent; scales very thin, scarious-white, linear, 
slightly pubescent, about as long as the flowers; 
flowers about 11(’ high; perianth 6-parted; outer 
perianth of the staminate flowers stalked, woolly, 
the inner a campanulate tube with 3 stamens; pis- 
tillate flowers with both sets of perianth-segments 
distinct, the inner much narrower than the outer; 
style 3-parted; stigmas 3. 
In moist pine barrens, southern Virginia to Florida. 
March-July. 
ge LACHNOCAULON Kunth, Enum. 3:497. 1841. 
Tufted herbs with the habit of Zvzocaulon, the leaves linear. Scape several-angled, 
sheathed at the base by an entire bract about as long as the leaves; heads globose. Recep- 
tacle pilose. Flowers androgynous. Perianth of 3 segments. Staminate flowers with 3 
stamens united below into a thickened tube which is coalescent with a body, variously re- 
garded as a corolla or as a rudimentary pistil, bearing at its apex 3 fimbriate or entire lobes 
alternate with the filaments; anthers 1-celled, minute. Pistillate flowers with a sessile 3- 
celled, 3-ovuled ovary surrounded by copious woolly hairs at the base; styles united below, 
spreading above into 3 divisions which are 2-parted, there being thus 6 stigmas. [Greek, 
referring to the woolly scapes of some species. ] 
Four known species, natives of the southern United States. 
1. Lachnocaulon anceps (Walt.) Morong. Hairy Pipewort. (Fig. 903.) 
Evriocaulon anceps Walt. Fl. Car. 83. 1788. 
Lachnocaulon Michauxitt Kunth, Enum. 3: 497. 
1841. 
Lachnocaulon anceps Morong, Bull. Torr, Club, 
18: 360. 1891. 
Leaves glabrous or sparingly pubescent, 
1’-3/ long, tapering to an obtuse callous 
point. Scapes slender, 2/-20’ tall, 2-4- 
angled, clothed with long soft appressed up- 
wardly pointed hairs; sheaths equalling or 
shorter than the leaves; heads globose, 1//— 
3’ in diameter; involucral bracts ovate or 
oblong, shorter than the flowers, usually 
brown; flowers about 1’’ high; scales brown, 
spatulate, surrounded at the base by the yel- 
lowish silky hairs of the receptacle and 
white-bearded at the apex; perianth of the 
staminate flowers short-stalked, pubescent at 
the base, woolly and fimbriate at the summit; 
segments of the pistillate perianth white, 
glabrous, obtuse; ovary densely villous 
around the base; seeds strongly ribbed. 
In moist pine barrens, Virginia to Florida. The white pistillate flowers mingled with the brown 
staminate ones impart a mixed gray and dark appearance to the heads. March-June. 
