Macbride — New or otherwise interesting Liliaceae 5 
Lomandra leucocephala (R. Br.), comb. nov. Xerotes leuco- 
cephala R. Br. Prod. 260 (1810). 
Lomandra obliqua (Thunb.), comb. nov. Dracaena obliqua 
Thunb. Diss. Drac. 6. fig. 2 (1808). Xerotes flexifolia R. Br. Prod. 
260 (1810). 
_ Lomandra spartea (Endl.), comb. nov. Xerotes spartea Endl. 
in Lehm. Pl. Preiss. ii. 51 (1846). 
Ascherson & Graebner, Synops. Mitteleurop. Fl. iii. 81 (1905), 
have indicated the identity of the plants of Presl and Labillardiére 
but have erred in following Pascher in the adoption of Presl’s 
later name. Gagea villosa Duby, Bot. Gall. ed. 2, i. 467 (1828) is 
“universally regarded as a synonym ” of G. arvensis Dumort. Fi. 
Belg. 140 (1827). 
‘ALLIUM CERNUUM Roth, var. neo-mexicanum (Rydb.), comb. 
nov. A. neo-mexicanum Rydb. Bull. Torr. Club, xxvi. 541 (1899). 
A. cernuum in typical form is a plant with rather thin and keeled 
leaves: often 4 or 5 mm. wide and light pink numerous flowers. 
From Alberta to New Mexico and British Columbia this typical 
form, common in many of the Atlantic states, is largely but not 
entirely replaced by the var. obtusum Ckll. (A. recurvatum Rydb.). 
This variety is not sharply defined but may often be distinguished 
by the narrow (only 1-3 mm. wide) and thick leaves which are 
more or less rounded on the back rather than keeled. The flowers 
are generally darker than in the eastern state of the species. Th 
the southwestern Rocky Mountain region another geographical 
Variant occurs, the var. neo-mexicanum. This plant is intermediate 
i some respects between true A. cernuum and the var. obtusum 
since the leaves are thin and flattish like those of the former but 
as narrow as those of the latter. From both the typical form and 
the var. obtusum, however, the var. neo-mexicanum may be dis- 
gui by the usually very small (about’ 5 mm. long) bracts. 
Yet another segregate species has been proposed in this group, viz. 
A. allegheniense Small, Bull. N.Y. Bot. Gard. i. 279 (1899), the 
author distinguishing his species by the urn-shaped perianth and 
the obtuse or retuse sepals. This plant is confined to the south- 

