Juncaceae 79 



3. WOLFFIELLA Hegelmaier. 



Stipe attached on the margin of the single reproduc- 

 tive pouch. Pouch triangular, opening as a cleft in the 

 basal margin of the frond. Fronds rootless, thin, un- 

 symmetrical, curved in the form of the segment of a 

 bund, abundantly punctate on both surfaces with brown 

 epidermal pigment cells. Flowers and fruit unknown. 



1. W. oblonga (Phil.) Hglin. Fronds solitary or in pairs, 

 oblong or commonly tapering from the obliquely rounded base to 

 the slightly narrower bluntly rounded apex; slightly falcate; 

 basal portion alone exposed to the air, 0.53-1 mm. broad, 1.7-4.6 

 mm. long; stipe insertion at the lower angle of the two walls of 

 the pouch. 



Near San Bernardino, Parish. 



2. W. lingulata Hglm. Fronds solitary or rarely in pairs, 

 ovate to oblong, tongue-shaped, slightly unsymmetrical ; 1.7-3 

 mm. broad, 2.7-6.6 mm. long, only a small part of the frond about 

 the base exposed to the air; stipe insertion on the margin of the 

 lower wall of the pouch. 



San Bernardino. Pari"//. 



Family 9. JUNCACEAE. Rush Family. 



Perennial or sometimes annual rushes or sedge-like 

 herbs, growing in tufts or from creeping rootstocks. In- 

 florescence usually compound, paniculate or corymbose, 

 rarely reduced to a single flower, bearing its flowers 

 singly or loosely clustered or aggregated into heads or 

 spikes. Flowers small, regular, perfect. Perianth 

 6-parted, the segments glumaceous. Stamens 3 or 6 ; 

 anthers introrse, 2-celled, dehiscing by a longitudinal 

 slit. Ovary superior, 3-celled or sometimes 1-celled with 

 3 parietal placentae. Ovules 3-many, anatropous ; 

 styles 3, filiform. Fruit a loculicidal capsule. Seeds 

 small, cylindric to subglobose, often caudate or append- 

 aged ; endosperm fleshy ; embryo minute, thick. 



Represented with us by a single genus. 1. Juncus. 



