PLANTS OF ONONDAGA COUNTY 11 



D. SPINULOSA — Kuntze. (Aspidium spinulosum — Swz.) 



Spinulose Shield Fern. Varies greatly. Pinnules with 



spiny-toothed lobes. Common. Rich woods. Kinney 



woods, Aug., 1907. 

 D. SPINULOSA INTERMEDIA — Underw., 1891. (Aspidium 

 intermedium — Muhl) . 



Margin of indusia beset with stalked glands. Common. 



Rich woods. Montfredy Gorge, July, 1899. 

 D. SPINULOSA DILITATA— Uudw., 1891. (Aspidium spinu- 

 losum var. dilitatum — Hook). 



Indusia glabrous and naked. Frequent. Underw. gives 



a dwarf form as var. dumitorum. Kinney woods, 1908. 

 D. BOOTH — Underw., 1893. (Aspidium spinulosum var. 

 Bootii — Gray). 



Boot's Shield Fern. Indusia slightly glandular. Rare. 



Rich woods. Near Scolopendrium Green Lake, July, 



1908. 



POLYSTICHUM— Roth. 



P. ACROSTIC HOIDES — Schott. (Aspidium achrostichoides 

 — Swz.) . 

 Christmas Fern. Sori becomes confluent. Indusia en- 

 tire, fastened by its centre. Common. Rich woods. A 

 form with cut lobed pinnae is given the varietal name — 

 P. A. — ^var. incisum. Marcellus, July, 1895. 



PHEGOPTERIS— Fee. 



P. Phegopteris (L) Underw. (Bull Torr Club, 1893.) 

 (Polypodium Phegopteris — Lm., 1753.) 

 Long Beech Fern. Lower pair pinnae deflexed and 

 inclined forward. Sori small. Occasional. Hillside 

 and moist woods. Jamesville Road, Aug., 1900. 



P. HEXAGONOPETRA — Fee, 1850. 



Broad Beech Fern. Fronds triangular, sori near mar- 

 gin. Leaves fragrant. Rare. Dry woods and hillsides. 

 Woods North Syracuse, Aug., 1895. 



