229 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
4. ALLIONIELLA Rydb. 
Low, much branched herb with weak, prostrate or ascending, viscid branches; 
leaves opposite, petiolate; involucres loosely paniculate, rotate and enlarged at 
maturity, 5-lobed; perianths 3 in each involucre, short-funnelform; stamens 3; fruit 
ellipsoid, smooth or obscurely tuberculate, glabrous. 
KEY TO THE SPECIES. 
Stems pubescent throughout.............-2.2-2-...2+-- weeeeeee 1. A. oxybaphoides. 
Stems glabrate below, slightly puberulent above.............. la. A. orybaphoides 
glabrata. 
1. Allioniella oxybaphoides (A. Gray) Rydb. Bull. Torrey Club 29: 687. 1902. 
Quamoclidion oxybaphoides A. Gray, Amer. Journ. Sci. II. 15: 320. 1853. 
Mirabilis oxybaphoides A. Gray in Torr. U. S. & Mex. Bound. Bot. 173. 1859. 
TyPE LocaLity: East of El Paso, Texas. 
Rance: Utah and Colorado to Arizona and western Texas. 
New Mexico: Near Pecos; Sierra Grande; Raton; Fort. Wingate; Santa Fe Creek; 
Bear Mountain; Kingston; Organ Mountains; Gray. Dry hills, Upper Sonoran Zone. 
la. Allioniella oxybaphoides glabrata (Heimerl) Standley, Contr. U. S. Nat. 
Herb. 12: 357. 1909. 
Mirabilis oxybaphoides glabrata Heimerl, Ann. Cons. Jard. Genéve 5: 180. 1901. 
TYPE LocALIry: Capitan Mountains, New Mexico. Type collected by Earle 
(no. 399). 
RanGeE: With the type. 
New Mexico: Capitan Mountains; Gallinas Mountains. 
5. QUAMOCLIDION Choisy. 
Low, diffusely branched, perennial herb with glabrous petiolate ovate leaves; 
involucre gamophyllous, calyx-like; flowers large, purplish red, several in each 
involucre; perianth with a thick, rather long tube and a wide spreading limb; stamens 
5, exserted; fruit oblong, smooth, glabrous. 
1. Quamoclidion multiflorum Torr.; A. Gray, Amer. Journ. Sci. II. 15: 321. 1853. 
Oxybaphus multiflorus Torr. Ann. Lyc. N. Y. 2: 237. 1828. 
Mirabilis multiflora A. Gray in Torr. U. 8. & Mex. Bound. Bot. 173. 1859. 
Tyre Loca.ity: ‘‘ About the forks of the Platte,’’ Colorado. 
RanGE: Colorado to Arizona and western Texas, 
New Mexico: Common throughout the State except in the extreme southwest 
and southeast. Plains and low hills, in the Lower and Upper Sonoran zones. 
6. TRIPTEROCALYX Hook. 
Much branched annuals with fleshy lanceolate unequal petiolate leaves; involucral 
bracts 4 to 6, surrounding a head of numerous flowers; perianth showy, with a long 
slender tube and rather broad limb, white to bright pink or greenish white; fruita hard 
spindle-shaped body, completely surrounded by 2 to 4 broad thin reticulate-veined 
wings. 
KEY TO THE SPECIES. 
Flowers 2 cm. long or less, greenish; peduncles shorter than the 
leaves..... 2222. eee eee cee cee eee cect eee eee 1. 7. micranthus, 
Flowers more than 2 cm. long, pink or white; peduncles longer 
than the leaves. 
Perianth pink; fruit 20 to 28 mm. long; plants stout, with erect 
stems; bracts narrowly ovate.......-.........22..2---- 2. T. cyclopterus. 
Perianth white; fruit less than 20 mm. long; plants more 
slender, usually spreading; bracts narrowly lanceolate.. 3. T. wootoni. 
