446 AMARYLLIDACEAE. 
1. Hypoxis hirsuta (L.) Coville. Star- 
grass. (Fig. 1066.) 
Ornithogalum hirsutum I,. Sp. Pi. 306. pales 
Hypoxts erecta 1, Syst. Ed. 10, 2: 
Hypoxits hirsuta Coville, Mem. "Torr. ‘cub ae 118. 1894. 
Corm ovoid, oblong or globose, 1{’—14’ in diameter, 
with numerous fibrous roots. Leaves basal, nar- 
rowly linear, 1//-2%4’’ wide, more or less villous, 
mostly longer than the scapes; scapes slender, erect, 
villous above, usually glabrous below, 2/-6’ high; 
flowers 1-6, umbellate; bracts subulate, shorter than 
the pedicels; perianth-segments narrowly oblong, 
spreading, mostly obtuse, bright yellow within, 
greenish and villous without, 3//-5’’ long; stamens 
somewhat unequal; style rather shorter than the sta- 
mens, 3-angled, the stigmas decurrent on the angles; 
capsule about 114’ in diameter; seeds angled, black. 
In dry soil, Maine and Ontario to Assiniboia, Florida 
and Texas. Ascends to 3000 ft. in Virginia. May-Oct. 
6. LOPHIOLA Ker, Bot. Mag. f/. 7596. 1814. 
An erect perennial herb with slender rootstocks, fibrous roots erect sparingly leafy stems, 
the leaves narrowly linear and mostly basal, and numerous small yellowish flowers in a ter- 
minal woolly cymose panicle. Perianth campanulate, persistent, of 6 nearly equal woolly 
erect-spreading segments, slightly united at the base, and adnate to the lower part of the ovary. 
Stamens inserted on the bases of the perianth-segments; filaments filiform, short; anthers 
basifixed. Ovary 3-celled; style subulate, at length 3-cleft; ovules numerous, in 2 rows in 
each cavity. Capsule ovoid, tipped with the style, finally loculicidally 3-valved at the sum- 
mit. Seeds oblong, numerous, ribbed. [Greek, referring to the tufts of wool on the perianth. ] 
A monotypic genus of southeastern North America. 
1. Lophiola Americana (Pursh) Coville. 
Lophiola. (Fig. 1067.) 
Conostylis Americana Pursh, Fl. Am. Sept. 224. 1814. 
Lophiola aurea Ker, Bot. Mag. pl. 1596. 1814. 
Lophiola Americana Coville, Mem. Torr. ‘cup, 5: 
118, 1894. 
Stem stiff, erect, terete, glabrous below, white- 
woolly above, 1°-2° tall. Leaves equitant, gla- 
brous, much shorter than the stem, the upper ones 
reduced to bracts; panicle densely white-woolly, 
composed of numerous few-several-flowered cymes; 
pedicels short, rather stout, erect or ascending; 
perianth-segments linear-lanceolate, about 2’’ long, 
woolly outside, longer than the stamens and with a 
tuft of wool at the base within; capsule about as long 
as the persistent style, shorter than the perianth. 
Pine barren bogs, New Jersey to Florida. June-Aug. 
y 
Family 24. DIOSCOREACEAE Lindl. Nat. Syst. Ed. 2, 359. 1836. 
YAM FAMILY. 
Herbaceous or slightly woody twining vines with fleshy or woody rootstocks, 
slender stems, petioled, mostly cordate, several-nerved and reticulate-veined 
leaves, alternate or the lower opposite or verticillate, and small inconspicuous 
dioecious or monoecious (in some exotic genera perfect) regular flowers in 
spikes, racemes or panicles. Perianth 6-parted, that of the pistillate flowers 
persistent. Staminate flowers with 6 or 3 stamens, sometimes with a rudimen- 
tary ovary. Pistillate flowers with an inferior 3-celled ovary, 3 styles and 3 ter- 
minal stigmas, sometimes also with 3 or 6 staminodia; ovules 2 (rarely 1) in 
each cavity of the ovary, pendulous, anatropous or amphitropous. Fruit a 
3-valved, 3-angled capsule in the following genus. Endosperm of the seed 
fleshy or cartilaginous, enclosing the small embryo. 
About 9 genera and 175 species, mostly natives of America, a few in the Old World. 
