82 GEOLOGICAL AND NATURAL HISTORY 



Gen. Geaster. Mick. 



454. G. fornicatus. Fr. Vaulting Geaster. Ground. Sept., Oct. 



455. G. striatus. D. C. Striate Geaster. On sand. 



456. G. Bryantii. Berk. Bryant's Geaster. Sandy soil. 



457. G. hygrometricus. P. Hard-coated Geaster. Ground. Woods. Oct. 



458. G. lageniformis. Vitt. Flask-like Geaster. Woods. Oct. 



Gen. Bovista. Dill. 



459. B. nigrescens. P. Blackish Bovista. Prairies. May. 



460. B. plumbea. P. Lead-colored Bovista. Prairies. Common. 



461. B. ammophila. Lev. Rooting Bovista. Woods. Sept. 



Gen. Lycoperdou. Tourn. 



462. L. giganteum. Batsch. Giant Puff-ball . Pastures. Oct. 



463. L. cselatum. Fr. Collapsing Puff-ball. Prairies. Aug., Sept. 



464. L. atropurpureum. Vitt. Purple-spored Puff-ball. Aug. 



465. L. pusillum. Fr. Little Puff-ball. Prairies. June, Sept. 



466. L. saccatum. Vahl. Elongated Puff-ball. Thickets. July. 



467. L. gemmatum. Fr. Warted Puff-ball. Meadows. Prairies. Aus. 

 -468. L. pyriforme. Schceff. Pear-shaped Puff Ball. Stumps. Sept. 



Gen. Scleroderma. P. 



469. S. vulgare. Fr. Common Scleroderma. Borders of woods. Aug. 



470. S. bovista. Fr. Thin-coated Scleroderma. Aug., Sept. 



471. S. verrucosum. Pers. Warty Scleroderma. Prairies. Aug. 



Gen. Polysaccum. D. C. 



472. P. olivaceum. Fr. Olive Polysaccum. Ground, woods. Aug. 



Order X. Myxogastres. 

 Gen. Lycogala. Mich. 



473. L. epideudrum. Fr. Stump Lycogala. July, Oct. 



Gen. Reticularia. Bull. 



474. R. maxima. Fr. Large Reticularia. Trunks, fallen trees. 



475. R. atra. Fr. Black Reticularia. Pine logs. Aug. 



476. R. umbrina. Fr. Umber Reticularia. Stumps. July. 



Gen. iEthalium. Link. 



477. A. septicum. Fr. iEthalium. Woods. Decaying wood. 



