64 Cyperaceae 



** Some of the empty glumes bifid above the middle or all enti 



' i 0U8. 



::. 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 : lowesl flower of one or both spikelets sterile : empty 

 glumes 4, entire. 3-5 cm. long : flowering glume linear. 10-] L' mm.. 

 long, finely scabrous, awn stout, about 1 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 dist inguished by the glabrous culms and Shi 



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

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

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

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

 scabrous throughout; spike rather loosely tlowered, 1-1. •"> dm. 

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

 entire, those of the lowest -pikelets bifid above the middle with 

 short awn 1-4 cm. long; flowering glumes 1<» 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 it< glume, scabrous on the margins. 



31 collected near Pasadena by O. D. Allen. Ballona Creek, near 



r, and on the Smith Fork of the Santiago Creek, Santa Ana Mounts ns. 



Family 1. CYPERACEAE. Sedge Family. 



Grass-like or rush-like annual or perennial herbs 

 from fibrous roots or running rootstocks. Sinus slender 

 Bolid, triangular, quadrangular, terete or flattened. 

 Leaves narrow, with <-l<>se<I sheaths. Flowers perfed or 

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

 and arranged in .-pikes, spikes solitary or clustered, 

 L— many-flowered. Scales 2-ranked or spirally imbricat- 



