ROBINSON: PTERIDOPHYTA 
a2 
Stems dorsi-ventral. L. volubile. 
Stems not dorsi-ventral. 
Sporophyls aggregated in terminal strobili. L. venustulum. 
Sporophyls not aggregated in terminal strobili. L. polytrichoides. 
LYCOPODIUM SERRATUM Thunb. FI. Jap. 341. 1784 
Lycopodium varium Mann, Proc. Am. Acad. 7: 221. 1866. Not 
Swartz. 
Lycopodium sulcinervium Spring, Mém. Acad. Roy. Brux. 15: 39- 
1842. 
Lycopodium javanicum Sw. Syn. Fil. 175. 1810. 
Lycopodium sargassifolium Liebm. Ofvers. Vid. Selsk. Foérh. 1847: 
41. 1847. 
TYPE LOCALITY: Japan. 
DiIsTRIBUTION: On tree trunks in forests at 700 m.—2200 m. 
elevation; Hawaiian Islands, Japan, India, Philippine Islands, 
Sumatra, Polynesia, Mexico. 
ILLUSTRATIONS: Thunb. FI. Jap. pl. 38. 1874. Hook. & Grev. 
Ic. Fil. pl. 37. 1874. 
V; Kauai, Heller 2687 C; Knudsen B; Robinson 414 V; 816 V. 
Hillebrand’s L. serratum dentatum (Hilleb. Fl. Haw. Is. 643- 
1888) is represented by one small specimen from Lanai in the — 
Berlin Herbarium; his L. serratum subintegrum by a single sterile — 
shoot at Berlin. Forbes’s specimen (no number) collected be- 4 
tween Punahou and Kaipaupau, Oahu, corresponds with Hille- — 
brand’s description of the latter as to size and reddish color. 
LyCOPODIUM ERUBESCENS Brack. Fil. U. S. Expl. Exped. 320- | 
1854 
Type LocaLity: Mount Haleakala, Maui, Hawaiian Islands. — 
DistrRIBUTION: In wet lands, at 2,000 m. elevation, Maui and — 
Kauai, Hawaiian Islands. 
ILLUSTRATION: Brack. Fil. U.S. Expl. Exped. pl. 45. 1854 
SPECIMENS EXAMINED: Hawaiian Islands, Wilkes Expedition I | 
B (type); Wilkes Expedition C; K. 
This very compact form is well suited to the xerophytic condi- 
tions of the high altitudes where it is found. 
SPECIMENS EXAMINED: Hawaii, Robinson 218 V; Oahu, Heller ; 
2904 C; Forbes 1036 BM; Forbes BM; Knudsen B; Robinson 196 
