427 
* Branches of the style opposite the anthers. 
1. Herbertia. Perianth with no tube and more or less spreading lobes: filaments 
united: styvle-branches bifid, with linear lobes. 
* * Branches of the style alternate with the anthers: perianth regular. 
2. Calydorea. Bulbous: filaments free: style elongated, its branches undivided, 
3. Nemastylis. Stem from coated bulb: filaments united: style-branches fili- 
form, 2-parted. 
4, Sisyrinchium. Root fibrous: filaments united: style-branches filiform, undi- 
vided. 
1. HERBERTIA Sweet. 
From a tunicated bulb, with narrowly linear leaves, narrow herba- 
ceous solitary terminal spathe containing many long-pediceled flowers, 
perianth with no tube and more or less spreading lobes (the 3 inner 
much smaller), stamens adnate to the perianth with filaments connate 
in a cylindrical tube which bears the sessile anthers, filiform style 
with 3 divergent 2-lobed branches opposite the anthers, oblong exserted 
loculicidally 3-valved pod truncate or convex at apex, and numerous 
angular seeds. 
1. H. Drummondiana Herb. From asmall ovoid brown-coated bulb: produced 
leaves about 4, narrowly linear, erect, as long as the slender simple o1 forked stem 
(1.5 to3 dm.): spathe eylindrical, 8 to 5 cm, long: perianth fugacious, blue, 5 em. 
across; outer segments obovate, with a white claw spotted with violet; inner ob- 
lanceolate, acute, shorter than the stamens: stamen-tube blue, 4 mm. long; anthers 
6 mm. long, curling up after tlowering: style-branches shorter than the anthers, 
bifid at tip: pod clavate-oblong, 2.5 cm. long. (Trifurcia cwrulea Herb. H. carulea 
Herb, Alophia Drummondiana Werb.)—* Prairies of the Colorado” (Mex, Bound. 
Surv.). 
29. H. Watsoni Baker. Stem 15 to 20 em. high, with 1 or 2 very narrow sheath- 
ing leaves: spathe about 83cm. long: perianth purple; outer segments oblanceolate, 
2.5 em, long; inner obovate, 6 mm, long: filaments, 6 mm. long, united nearly to the 
top: style 6 mm. long, with linear branches as long as the entire part. (Gelasine 
Terana Wats. Proc. Am, Acad, 20, 375, not Herb.)—‘‘Damp prairies near San 
Antonio” (Havard). 
2. CALYDOREA Herb. 
Stem simple, from a coated bulb, with a few narrow radical leaves 
and sometimes a few reduced ones on the stem, few pediceled flowers 
in the solitary terminal spathe, perianth with very short tube or none, 
and equal erect-spreading lobes, free filaments bearing linear anthers, 
filiform style with subulate divaricate branches, an obovoid exserted 
loculicidally 3-valved pod truncate at apex, and globose or angular 
seeds. 
1. C. Texana (Herb.) Baker. Root-leaves 3 or 4, narrowly linear, grass-like, 4.5 dm, 
long: stem 1 to 4-headed, 1.5 to 3dm, long, bearing reduced leaves from the forks, and 
sometimes one also from the middle: spathe cylindrical, 3 to 5 cm, long, outer valve 
shorter: perianth-segments bright blue, obovate-cuneate, subequal, 2.5 em, long: 
anther 6 mm. long, much exceeding the free filaments: style-branches subulate, 
shorter than the anthers. (Gelasine? Terana Herb.)—Galveston Bay (Drummond). 
