460° Lower California Grasses. [ZOE 
_ MUHLENBERGIA DISTICHOPHYLLA Kth.—El Taste, Sep- 
tember 13 (33, 34)- 
36. MUHLENBERGIA CILIATA Kth.—No. 1435 Pringle (1887) 
La Chuparosa, October 21 (59). 
37. MUHLENBERGIA~———. Near 1. stipotdes. Annual 
culms czespitose, branched, slender, with usually 7 nodes; leaves 
flat, spreading, 2-3 inches long, 14 line wide, sheaths shorter than 
the internodes. Panicle 4-5 inches long strict, base enclosed 
within the uppermost sheath. Spikelets 2 lines long with a 
slender awn 6-8 lines long; empty glumes short (about ¥% line) 
subequal obtuse; flowering glume scabrous on the back, pilose on 
the margins below, apex minutely 2-toothed, awn from between 
the teeth; callus short, minutely barbate.—La Chuparosa, 
_ October 17 (71). 
38. MUHLENBERGIA————. Culms taller and more 
branched than in the last (No. 71) and awns longer, 8-18 lines, 
otherwise the same.—Saucito, October 15 (62). 
. LycuruSs PHALAROIDES HBK.—Sierra de la Laguna, 
ons 19 (77, 81). 
40. PEREILEMA CRINITUM Presl.—La Cuparosa, October 
41. SPOROBOLUS MINUTIFLORUS Link.? Scribner in Proc. 
Acad Nat. Sci. Phila. (1891) p. 299.=No. 3130 Pringle ee 
—lLa Chuparosa, October 17 (80). 
42. SPOROBOLUS RACEMOSUS Vasey. No. 4B, E. Palmer 
1885 (in herb. mihi) and 1425 Pringle 1887.—La Chuparosa 
October 21 (58). Mixed with this are specimens of Sporobolus 
annuus Vasey and Muhlenbergia ciliata, 
43. SporopoLtus Domincens:s Kth.—No. 165 E. Palmer 
1887.—San José del Cabo, September 2 (7). 
44. SPOROBOLUS VIRGINICUS Kth.=No. 338 E, Palmer 1887. 
—Guaymas, Mexico (7) 
45. SPOROBOLUS EXPANSUS Scribn. Culm stout 4-6 feet high; 
sheaths smooth, striate; ligule a short and densely ciliate line; 
lamina narrow, elongated filiform, smooth on the back, pilose 
above near the base and serrulate-scabrous along the margins; 
