140 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Streptopus amplexifolius (L.) DC. & Lam. FI. Frang, 3: 174. 1805. 
Uvularia amplexifolia L. Sp. Pl. 304. 1758. 
Type Locauty: “In Bohemiae, Saxoniae, Delphinatus montibus.”’ 
RanaeE: British America to Arizona and Pennsylvania. 
New Mexico: Winsor Creek (Standley 4200). Damp woods, in the Canadian Zone. 
5. DISPORUM Salish. 
Low herb with creeping rootstocks, erect branched stems, and sessile ovate thin 
leaves; flowers small, solitary on slender terminal peduncles; perianth narrowly cam- 
panulate; fruit a 3 to 6-seeded red berry. 
1. Disporum trachycarpum (S. Wats.) Benth. & Hook. Gen. Pl. 3: 832. 1883. 
Prosartes trachycarpa 8. Wats. in King, Geol. Expl. 40th Par. 5: 344. 1871. 
Type LocaLity: Colorado. 
Range: British America to South Dakota and New Mexico. 
New Mexico: Carrizo Mountains; Tunitcha Mountains; Chama, Damp woods, 
in the Transition and Canadian zones. 
23. ALLIACEAE. Onion Family. 
Perennial scapose herbs with scaly or reticulate-coated bulbs; leaves few, narrow, 
basal; flowers in terminal umbels, at first inclosed in and finally subtended by a 
scarious involucre; perianth segments all alike, petaloid, mostly conspicuous, per- 
sistent, becoming scarious in fruit; stamens 6; fruit a dry 3-celled capsule. 
KEY TO THE GENERA. 
Perianth segments nearly free (in ours pinkish, fading 
lighter); capsule deeply lobed, sometimes crested ; 
plants strong-scented.............2-.222.22.----0-- 1. Atirum (p. 140). 
Perianth segments united for one-third their length or 
more; capsule not lobed nor crested; plants not 
strong-scented. 
Perianth campanulate or funnelform, about 1 cm. 
‘long, bluish purple................-.-------- 2, DiprerRosTEMON (p. 148). 
Perianth salverform, 3 cm. long, the limb white with 
pronounced greenish midribs..............--- 3. Mia (p. 148).° 
1. ALLIUM L. ONION. 
Strong-scented herbs with narrow leaves and 1 to several scapes from a coated bulb; 
flowers in umbels, sometimes replaced by bulblets; perianth of 6 petaloid, nearly free 
segments; fruit a deeply lobed 3-celled capsule. 
KEY TO THE SPECIES. 
Outer bulb coats strongly reticulated, the veins separating into 
a mat of fibers. 
Scapes bulblet-bearing.................02-00-..-0--022- 22 0ee 7. A, sabulicola. 
Scapes not bulblet-bearing. 
Capsules crested. 
Plants tall, 25 to 40 cm.; perianth segments 5 mm. 
long, bright rose pink; pedicels slender..... 8. A. geyeri. 
Plants lower, 10 to 15 cm., stouter; perianth seg- 
ments 7 or 8 mm. long, pale pink with 
prominent midveins; pedicels stout........ 9, A. deserticola. 
