1919.] NATURAL SCIENCES OF PHILADELPHIA. 275 
Sere mostly 17-25 mm. long. eee 
ong. Seeds .5-.6 mm 
Leaves sparingly scabrous to uae 
Leaves narrowly linear to filiform, .3-1.5 mm 
wide. Racemes mostly somewhat de- 
veloped, so flowers not conspicuously 
“terminal.” Pedicels 15-40 mm. long. 
Calyx-lobes .2-.5 mm. long. Corolla 18- 
25 mm. long. Seeds rounded, turgid, 
with reticulations very fine, relatively 
12. A. holm 
Leaves filiform-setaceous, 1-3 wtih yee e. 
Racemes scarcely developed, so flowers 
conspicuously “‘terminal.’”’ Pedicels 15— 
20 mm. long. Calyx-lobes .1—3 mm. 
long. Corolla 17-20 mm. long. Seeds 
angled, with reticulations less fine and 
more remote. 
. A. stenophylla. 
ue cfg (-15) mm. tes) shorter ay ee 
ing the bracts. Calyx-tube 3-3 
length of the capsule. Corolla mostly 25. 
30 mm. long. Capsule 4-5 mm. long. 
eeds .6-.8 mm. long. Leaves slightly 
scabrous above. Flowers conspicuously 
“terminal.” . A, setacea. 
Leaves .5-1.2 em. long, sh orter han the inter- 
foe a goats above. Corolla 15-22 mm 
Sie lightly striate-four-angled, sparingly scab- 
. Leaves filiform, .8—1.2 
em. long. Pedicels 4-6 mm. long, about 
equaling the bracts. Pagragoe not be- 
coming callose. A. keyensis. 
Stem nearly terete, sisibbesidged, minutely 
eee tae on the ridges. Leaves 
linear-subulate, .5-1 cm. long. Pedicels 
4-15 mm. ae three to six times the length 
of the bracts. Calyx-lobes becoming more 
ess callose. 16. A. oligophylla. 
Leaves dimorphic, those near the base of the stem oval ovate, 
spreading, the cauline minute, scale-like, appressed. 
Pedicels 1.5-3 mm. long (many flowers appearing to 
ee minute axillary branchlets). Calyx-lobes min- 
ute, subulate, callose. Coro lla 15-20 mm. long. Stem 
striate-four angled ridged, erga dan hispidulo-roughened 
the ridges, often abeanait 
on the ridges P meta A. aphylla. 
