Gramme®. 
409 
by preference on the southern Alp. (Grimsel, Mt. Gene- 
roso). 7.argenteum R. Sch. 2451. 
641. Aira. Aira. Ill, 60, 38. 
1. Panicle contracted in the form of a spike. Stem 5 — 15 cm. 
—Uncultivated, sandy places; W. (St. Leonard: Thomas, 
Jaccard). 4.praecox L. 2452. 
— Panicle spread out. Type of A. caryophyllea L. . 2 
2. Spikelets (almost 8 mm long) oblong, rather distant from 
one another. Stem 10—20 cm. Not unlike small speci¬ 
mens of 2488.—Uncultivated, sandy places; rare; T. Y. 
J. (comp, the following). 5 . caryophyllea L. 2453. *) 
— Spikelets smaller and rather more swollen than in the 
last. Slightly crowded in clusters. Stems taller, gen. 
more numerous. A. aggregata Tim. — As the last and 
hitherto confused with it; Y.? 6, almost a month 
later.multiculmis Dum. 2454. 
642. Danthonia. Danthonia. Ill, 61. 
1. Lower glumella shortly 8-toothed at the top (or, more 
correctly, shortly 2-toothed with a very short awn like 
a third tooth). Stem prostrate-ascending. Triodia dec. 
Beauv.—Pasturages, especially in the mount, and sub¬ 
alp.; not common. 6 . . decumbens Dec. 2455. 
— Lower glumella 2-fid at the top, with subulate points; 
awn longer, twisted at the base. Stem erect.—Tess. 
(casina di Meride up to the top of S. Giorgio). 5 
provincialis Dec. 2456. 
643. Melica. Melic. Ill, 39, 64. 
1. Lower glumella long ciliate-villous at the edges. (Panicle 
contracted to the form of a spike, cylindric.) Type of 
M. ciliata. See N. Beitr. Ill, 51 ... 2 
— Lower glumella glabr. . . . . . . 3 
2. Panicle dense, uninterrupted. Glumes very unequal, the 
lower considerably shorter than the upper. M. transylvanica 
Schur.—Hills, rocky places; Hohentwiel, Alsace. 6 
* ciliata L. 2457. 
— Panicle looser, finally almost unilateral Glumes not 
very unequal, the lower slightly shorter than the upper. 
Stem slenderer; Is rolled up, setaceous. M. nebrodensis 
auct.—As the last; fairly distrib. (wanting in L. S.). 6 
glauca F. Schultz. 2458. 
3. Spikelets erect, with a single fertile fl. Ligule opposite 
to the leaf, lanceolate-subulate. —Woods; distrib. 6 
uniflora Retz. 2459. 
*) A. Cupanlana Guss,, according to Schmidely, near Coppet, prob¬ 
ably adventitious. 
28 
