The Flora of the Cayuga Lake Basin 253 



Leaves thick, more or less glossy above, obovate, little lobed, obtuse or acute, 

 parallel-veined; flowers numerous, 17-18 mm. in diam., all on pedicels 6—18 mm. 

 long ; sepals broader than in no. 8, more conspicuous, and more strongly serrate ; 

 disk shallow, 2.5-4 mm. in diam.; filaments free or nearly so; anthers pink; fruit deep 

 red ; nutlets pitted on inner face. The broad spreading sepals of C. succulcnta are not 

 found in either C. macracantha or C. Calpodendron. Some plants on Cayuga Heights 

 have 10 stamens and large anthers, and are probably hybrids of C. succulent a with 

 some other species. The name of this species is here interpreted in the light of 

 several European specimens of some historical importance labeled C. succulcnta, 

 in the herbarium of the Arnold Arboretum. These, together with the original 

 description, indicate that Schrader's plant was the present species. 



8. C. Calpodendron (Ehrh.) Medic. (C. Chapmani Ashe, var. Plukcnctii Eggleston. 



C. tomentosa, wholly or in part, of Cayuga Fl. C. tomentosa of Sargent.) 



Pastures and thickets, in the heavy clays and in the lighter calcareous glacial 

 soils; frequent or locally abundant. June 7-20; fr. Sept. 20-Oct. 



Frequent in the valley of Cayuga Lake, becoming more abundant in the vicinity 

 of Union Springs and Sawyer Creek : South Hill, along old railroad bed and near 

 the " Incline " ; mouth of Coy Glen and southw. ; along Six Mile Creek ; near Judd 

 Falls; Forest Home; Cayuga Heights (frequent); Asbury; Salmon Creek valley, 

 in Genoa; Romulus; near Cayuga Lake Park; lake shore n. and s. of Union Springs; 

 Sawyer Creek, abundant (Wm. Moore) ; Phillips Pond. Not reported from the hills 

 s. and e. of Ithaca or from the McLean region. 



Cent. N. Y. to Minn., southw. to n. N. J., Pa., and Mo., and in the mts. to Ga. 

 {Eggleston) . 



Twigs in the second year granulose from the weathered-off pubescence; leaves yel- 

 lowish green, usually dull, rather thin, more or less lobed and subacute ; flowers nu- 

 merous, 13-15 mm. in diam., some nearly sessile; sepals linear-lanceolate, only slightly 

 serrate ; disk flat, 3-3.3 mm. in diam. ; filaments slightly connate at base ; anthers 

 purple ; fruit orange-red or cherry red ; nutlets pitted on inner face. The latest-flower- 

 ing species, in flower several weeks after the other species are through. The plants 

 are still without foliage and appear dead when other thorns have put forth young 

 leaves. 



9. C. intricata Lange. (C. coccinea of Gray's Man., ed. 7.) 

 Pasture land; rare. June 1-15; fr. Oct. 



Collected without definite locality or indication of soil type in a pasture w. of 

 Paine Creek, presumably about \]/ 2 miles from the mouth of the creek, 1915 (K. M. 

 W.). The general soil of this region is stony clay. 



W. N. E. and N. Y., to S. C. and Mo. (Eggleston) ; rare or absent on the Coastal 

 Plain. 



Anthers cream-colored; fruit globular, yellowish green or reddish brown, usually 

 pubescent. 



10. C. Boyntoni Beadle. (Including C. foctida Ashe.) 



Stony upland pastures, fence rows, and thickets, mostly in subneutral stony clays, 

 rarely in lighter soils; infrequent. May 28-June 5, rarely June 10; fr. Oct. In 

 flower later than members of the pruinosa group. 



South Hill, near the " Incline " and on the survey-station plateau ; woodland, 

 n. side of Coy Glen ; clay pasture, Dwyer Pond ; Cornell Heights ; lake slope from 

 Renwick to Esty ; ravine near Shurger Glen; Kennedy Corners; bank of Phillips 

 Pond (somewhat transitional to C. straminca) . Not found on the chestnut soils w. 

 and s. of Ithaca, in the McLean region, or on the more calcareous soils northw. 



E. Mass. to Mich., southw. to S. C. and Tenn. {Eggleston) ; rare or absent on the 

 Coastal Plain. 



