Selaginella rupestris. 
Selaginella rupestris Spring, 1840. in FI. Brasil. 
1: pt. 2. 118. Haton,1.c. 698. Underw. in Ill. 
Blt 244 Nats eins 1375) in Britt viene on 
Clute, 1. c. 139. 
Plants 3-10 cm. high, growing in colonies ; stems slen- 
der, 1 mm. or thicker, with numerous short, very leafy 
branches ; leaves imbricated, many-ranked, awl-shaped, 
awned, about 2 mm. in length. 
© net ores kesw 
Baltimore Co. Md., Waters; Great Falls, Palmer ; 
Stony Man Mt., Steele, Palmer, King. 
tt Lateral leaves spreading. 
2.S. apus (L.) Spring. — 
Lycopodiotdes denticulatum pulchrum repens, 
spicts apodibus. . Dill. Hist. 467. t. 64. f. 2. 
Lycopodium apodum L. Sp. Pl. 1105. 
Selaginella apus Spring, \.c. 119. Eaton 1. c. 
698. Underw.in Hl. Fl. 1: 45; Nat. Ferns 141 ; 
in Britt. Man.27. C/ute, |. c. 155, 
Plants delicate, with whitish, barely 5 mm. thick 
branches ; leaves pellucid, light green, the lateral ones 
ovate, about 2mm. in length, those of the upper and 
lower faces smaller, lanceolate, appressed; the upper 
leaves similar, crowded, enclosing the minute sporangia. 
In moist, shaded places. 
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