GENUS i. 



SELAGINELLA FAMILY. 



49 



i. Selaginella rupestris (L.) Spring. 



Rock Selaginella. Festoon-pine. 



Fig. 115 



Lycopodiiim rupestre L. Sp. PI. 1101. 1/53. 

 Selaginella rupestris Spring in Mart. Fl. Bras. 

 I-: 118. 1840. 



Stems densely tufted, with occasional sterile 

 runners and sub-pinnate branches, i'-3' high, 

 commonly curved when dry. Leaves rigid, 

 appressed-imbricated, i" or less long, linear 

 or linear-lanceolate, convex on the back, more 

 or less ciliate, many-ranked, tipped with a dis- 

 tinct transparent awn ; spikes sessile at the 

 ends of the stem or branches, strongly quad- 

 rangular, 6"-i2" long, about i" thick; bracts 

 ovate-lanceolate, acute or acuminate, broader 

 than the leaves of the stem ; megasporanges 

 and microsporanges borne in the same spikes, 

 the former more abundant. 



On dry rocks, New England and Ontario to 

 Georgia and the middle West. Ascends to at 

 least 2000 ft. in Virginia. Dwarf club-moss. 

 Christmas-evergreen. Resurrection-plant. Aug.- 

 Oct. 



2. Selaginella selaginoides (L.) Link. 



Low Selaginella. 



Fig. 116. 



Lycopodiiim selaginoides L. Sp. PI. 1101. 1753. 

 S. spinosa Beauv. Prodr. Aetheog. 11.2. 1805. 

 Selaginella selaginoides Link, Fil. Hort. Berol. 

 158. 1841. 



Sterile branches prostrate-creeping, slender, 

 V-2.' long, the fertile erect or ascending, 

 thicker, i'-.3' high, simple; leaves lanceolate, 

 acute, lax and spreading, sparsely^ spinulose- 

 ciliate, i"-2" long; spikes solitary at the ends 

 of the fertile branches, enlarged, oblong-linear^ 

 subacute, i' or less long, 2"-2\" thick; bracts 

 of the spike lax, ascending, lanceolate or ovate- 

 lanceolate, strongly ciliate. 



On wet rocks, Labrador to Alaska, south to 

 New Hampshire, Michigan and Colorado. Also 

 in northern Europe, Greenland and Asia. Moun- 

 tain-moss. Prickly club-moss. Summer. 



3. Selaginella apus (L.) Spring. 

 Creeping Selaginella. Fig. 117. 



Lycopodiiim apodnm L. Sp. PL 1105. 1753. 

 5". apus Spring in Mart. Fl. Bras, i 2 : 119. 1840. 



Annual, light green, stems prostrate- 

 creeping, i '-4' long, much branched, flac- 

 cid, angled on the face. Leaves minute, 

 membranous, of 2 kinds, 4-ranked, spread- 

 ing in 2 planes ; upper leaves of the lower 

 plane spreading, the lower reflexed, ovate, 

 acute, serrulate, not distinctly ciliate; leaves 

 of the upper plane ovate, short-cuspidate ; 

 spikes 3"-8" long, obscurely quadrangular ; 

 bracts ovate, acute, sometimes serrulate, 

 acutely keeled in the upper half; megaspo- 

 ranges more abundant toward the base of the 

 spike. 



In moist shaded places, often among grass, 

 Maine and Ontario to the Northwest Terri- 

 tory, south to Florida, Louisiana and Texas. 

 Ascends to 2200 ft. in Virginia. July-Sept. 



