134 LILIACEAE 
leafless, smooth, bearing a loose broad cluster of white flowers. (Ville: 
36, Part I.) 
O. umbellatum, L. (Fig. 6, pl. 13.) Star or BeruHLeneMm. Seg- 
ments of perianth green beneath, spreading, opening in sunshine. Nat- 
uralized. In fields and meadows. May-June. 
Trine [V.—HYACINTHINEAE. Tur HyacintH TRIBE 
Bulbous or fibrous rooted herbs. Flowers with 6 stamens, a single style 
and a 3-celled ovary. Perianth segments united to form a globose or tubu- 
lar bell. 
Flowers globose or not spreading at the outer borders . Muscari 
Flowers tubular, spreading at their outer borders . . Aletris 
1. MUSCARI, Mill. 
Leaves fleshy, arising from the bulb. Flower stem bearing a grape-like 
cluster of globose or oblong flowers. 
1. M. botryoides, (L.) Mill. Grape HyactntH. Flower stem 4 to 
10 in. high, about equalling the leaves. Flowers dark blue or purple, 
globose. 
2. M. racemosum, (L.) Mill. (Fig. 5, pl. 13.) Srarcn Grape 
HyactntH. Flowers ovate or oblong. Contracted at outer border, Es- 
caped from gardens. 
2. ALETRIS, L. 
Herbs with slender flower stem and spreading rosette of yellowish- 
green leaves at base. Flowers tubular, spreading at the outer extremity, 
each with 6 lobes; arranged in a slender spike, 1 to 3 ft. high, the 6 
stamens inserted on the segments of the united perianth, the tall style 
somewhat deeply divided, outer surface of perianth roughened. Ovary 
3 celled rounded or ovoid. 
1. A. farinosa, L. (Fig. 5, pl. 16.) Star Grass. Coxtc Root. 
Flowers white, spike of flowers 3 to 12 in. long, each flower subtended 
by a bract longer than the flower pedicel. May-July. 
2. A. aurea, Walt. Yettow Cortc Roor. Similar to No. 1 but with 
yellow flowers. In the southern part of our region. July-Aug. 
Trips V.—CONVALLARIINAE. Lity or tHe VALLEY TRIBE 
Perennial plants, herbs and woody vines arising from rootstocks, leaves 
all from the root or from the stem. Fruit, except in Trillium, a rounded 
fleshy berry. Leaves broad with parallel veins. In Trillium and Aspara- 
gus the arrangement of the veins is exceptional, being net-veined in the 
former and the leaf scale-like or needle-shaped in the latter. Perianth of 
6 segments (Maianthemum 4 segments) usually free, but in a few species 
united, forming a tubular flower. Flowers in lengthened clusters, in pairs 
