OPHIOGLOSSA CE.^. 



131 



down in vernation; sterile segment clasping the fertile with its 

 apex overlapping the whole. (Fig. 33 ) {B.neglec- 

 tum Wood.) New England, New York, Ohio, and 

 Mt. Peddo, Washington {SuJcsdorf). 



ft Buds pilose ; sterile segments usually long- 

 stalked ; plant larger, fruiting in autumn. 



5. B.ternatum (Thunb.)Swz. Frond fleshy, 

 common stalk very short ; sterile segment 

 broadly pentagonal or triangular, ternate ; the 

 three primary divisions also stalked, as broad 

 as long, pinnately decompound ; ultimate divi- 

 sions varying from round-reniform to triangu- 

 lar-lanceolate, entire or variously toothed and 

 incised ; fertile segment long-stalked, bi — quad- 

 ripiniiate. Apex of both segments bent down, 

 with a slight curve inward in vernation. (Fig. 

 34.) (/). australe R. Br.. B. lunarioides Swz., 

 B. fumarioides Willd., B. decompositum Ma"t. 

 and Gale., Osnnatda ternata Thunb., Botrypus 

 (unarioides Michx.) Very variable ; larger 



Fig. 



-Verna- 



forms (6' — 17' hicrh), with more compound fruc- tio" of b. matri- 



^ '^ cnr/ip/a/neift A.Br. 



tification and with divisions of sterile segment ob- (After Davenport.) 

 long or lanceolate and obtuse or oblique at base, 

 are the 7'ar. obliquum Milde ; forms with divi- 

 sions of the sterile segment laciniately cut into 

 narrow teeth are var. dissect um Milde. New 

 England and Canada, westward to California, 

 Washington, Britisli Columbia, and southward 

 to Florida. 



*** Vernation wholly inclined, in the fertile 



segment recurved. 

 6. B. lanceolatunri (Gmel.) Angs. Plant 

 3' — 9' high, fleshy; sterile segment closely 

 sessile at the top of a long common stalk, in 

 the smallest forms three-lobed, in larger ones 

 broadly triangular, twice pinnatifid, the divi- 



FiG. ^4. — Vernation . ,' , ,_ . ^^ijn .. ^ 



oi B.ternatum Swz. sions lanceolate, entire or toothed, all set at an 

 (After Davenport.) oblique angle; fertile segment short-stalked, 

 slightly overtopping tlie stL-rile, bi — tripinnate. Bud smooth; 



