64 Cyperaceae 



** Some of the empty glumes bifid above the middle or all entire and 

 subulate-setaceous. 



3. S. Californicum Smith. Culms tufted, ascending, 1.5-2.5 

 dm. high, rather densely pubescent above; lower sheaths densely 

 hirsute, the upper minutely puberulent ; ligule obsolete ; leaves 

 2-8 cm. long, 3-4 mm. wide, scabrous above and on the margins, 

 densely puberulent on the back; spike rather loosely flowered, 

 5-8 cm. long ; lowest flower of one or both spikelets sterile ; empty 

 glumes 4, entire, 3-5 cm. long ; flowering glume linear, 10-12 mm. 

 long, finely scabrous, awn stout, about 4 cm. long; palea 2 mm. 

 shorter than its glume, scabrous on the nerves below ; internodes 

 of the rachis 4-5 mm. long, scabrous throughout. 



Rather common in open pine woods in the San Gabriel and San Bernar- 

 dino Mountains. June-August. Another closely related species, S. glabrum 

 Smith, is frequent in the San Jacinto and Cuyamaca Mountains. It is read- 

 ily distinguished by the glabrous culms and sheaths. 



4. S. anomalum Smith. Culms erect, scarcely or not at all 

 tufted, 5-6 dm. high, smooth; sheaths smooth or the lower 

 sparsely hirsute, ciliate on the margins, shorter than the inter- 

 nodes ; ligule 1 mm. long; leaves 4-12 cm. long, 3-4 mm. wide, 

 scabrous throughout; spike rather loosely flowered, 1-1.5 dm. 

 long, reddish; spikelets 4-flowered; empty glumes lanceolate, 

 entire, those of the lowest spikelets bifid above the middle with 

 short awn 1-4 cm. long; flowering glumes 10 mm. long, linear- 

 lanceolate, smooth below, scabrous above, 3-awned ; lateral awns 

 1-2 mm. long, the middle one erect 3-4.5 cm. long; palea shorter 

 than its glume, scabrous on the margins. 



? First collected near Pasadena by O. D. Allen. Ballona Creek, near 

 Mesmer, and on the South Fork of the Santiago Creek, Santa Ana Mountains. 



Family 7. CYPERACEAE. SEDGE FAMILY. 



Grass-like or rush-like annual or perennial herbs 

 from fibrous roots or running rootstocks. Stems slender 

 solid, triangular, quadrangular, terete or flattened. 

 Leaves narrow, with closed sheaths. Flowers perfect or 

 imperfect, 1 or rarely 2 in the axil of each scale, 

 and arranged in spikes. Spikes solitary or clustered, 

 1-many-flowered. Scales 2-ranked or spirally imbricat- 



