OPHIOGLOSSACEAE. 



5. Botrychium lanceolatum (S. G. Gmel.) Angs. 



(Fig. 6.) 



Lance-leaved Grape-fern. 



Osuninda lanceolata S. G. Gmel. Nov. Comment. 

 Acad. Petrop. 12: 516. 1768. 



Botrychium lanceolatum Angs. Bot. Notiser, 1854: 

 68. 1854. 



Plant 3 '-9' high, somewhat fleshy. Sterile 

 portion closely sessile at the summit of the 

 stem, i' or more wide, 3-lobed or broadly trian- 

 gular and 2-pinnatifid, the ultimate segments 

 lanceolate, acute, oblique, entire or dentate ; 

 midvein continuous, with forking veinlets ; fer- 

 tile portion slightly overtopping the sterile, 

 short-stalked, 2-3-pinnate ; bud for the follow- 

 ing year glabrous, enclosed in the base of the 

 stem ; fertile portion recurved its whole length 

 with the shorter sterile portion reclined upon it 

 in vernation. 



In meadows, woods and swamps, Nova Scotia to 

 Alaska, south to New Jersey, Ohio and in the 

 Rockj- Mountains to Colorado. Also in Europe and 

 Asia. June-July. 



6. Botrychium Virginianum (L,. ) Sw. Virginia Grape-fern. (Fig. 7.) 



Osmunda I'irginiana L. Sp. PI. 1064. 1753. 

 Botrvchiutn I'irginianum Sw. Schrad. Journ. 



Bot. 2 : in. 1800. 

 Bolrychium gracile Pursh, Fl. Am. Sept. 656. 



1814. 



Plant 4'-2 high, the stem slender. Sterile 

 portion nearly or quite sessile above the 

 middle of the stem, spreading, thin, ternate 

 with the primary divisions pinnate to 2-pin- 

 nate and the segments i-2-pinnatifid ; ulti- 

 mate segments oblong, more or less toothed 

 near the apex ; epidermal cells flexuous ; 

 fertile portion long-stalked, 2-3-pinnate ; 

 bud for the following year pilose, enclosed 

 in a glabrous cavity at one side of the lower 

 part of the stem ; fertile portion recurved its 

 whole length, the sterile reclined upon it in 

 vernation. 



In rich wo<K Nova Scotia to Florida, west 

 t<> British Columbia and Ari/oii.i. Also in Eu- 

 rope and Asia June-July. 



Family 2. OSMUNDACEAE R. Br. Prodr. Fl. Nov. Holl. 1 : 161. 1810. 



ROYAL FERN FAMILY. 



ferns with stout often erect rootstocks, 1-2 pinnate leaves coiled in 

 >ernation, the veins free, mostly forked, running to the margins of the pin- 

 lobes. Sporanges large, globose, with mere traces of an elastic ring of 

 . or none, 1>orne on modified contracted pinnae in the typical genus- in 

 I odea a genus of the southern hemisphere, in clusters (sori) on the lower stir- 

 <>t the pinnules. 



Two living genera, Osmunda and Todea. 



