288 FLORA OF PHILADELPHIA. 



2. ScROPHULARiA LEPORELLA Bicknell. M. p. 822. Woods and along road- 

 sides. Early summer. 



ScROPHULARiA CANiNA. Ballast. 



Philadelphia — Philadelphia, I. Burk (He.). 



6. CHELONE L. 

 1. Chelone glabra L. Turtle-head, Snake-head. M. p. 823. Wet places. 

 Summer. 



7. PENTSTEMON Solaud. Beard-tongue. 



Stem pubescent or puberulent nearly or quite to the base. 1. P. hirsutus. 



Only the inflorescence, or pedicels, or calyx pubescent or puberulent. 



Corolla white, abruptly enlarged, 2.5-3 cm. long. 2. P. Digitalis. 



Corolla purplish, gradually enlarged, 1.5-2 cm. long. 3. P. Pentstemon. 



1. Pentstemon hirsutus (L.) Willd. M. p. 824. Dry or rocky ground. 



Early summer. 



2. Pentstemon Digitalis (Sweet) Nutt. M. p. 825. Fields and thickets. 



Early summer. 



Bucks — Hilltown, Trumbauersville (Fr.). Montgomery — Fort Wash- 

 ington (VP.). Delaware — Upper Providence, one mile north of Media 

 (Fu.), Tinicum (Le.), Concord (W. Tr.). Lancaster— 'Nevf Texas (Ca.). 



Mercer — Princeton (C). Middlesex — Cranbury (C). Hunterdon — 

 Rosemont (C). 



3. Pentstemon Pentstemon (L.) Britton. M. p. 825. Moist or rich soil. 



Early summer. 



Bwcfes— Sellersville (Fr.), Rock Hill (Ja.), Buckingham Valley (Ws.). 

 Montgomery — Shannonville (Cr.). Delaware — Swarthmore (Pr.) (Ws.), 

 Tinicum (Sa.). Lancaster— York Furnace (Cr.). 



Ne-w Castle — Near Newark, Commons. 



8. COLLINSIA Nutt. 

 1. Collinsia verna Nutt. Blue-eyed Mary. M. p. 826. Moist soil. Spring. 

 Philadelphia — Germantown, Mart. (B. C). Northampton — Easton, 

 Porter (Fu.). 



Paulownia tomentosa (Thunb.) Baill. M. p. 827. Escaped from 

 cultivation. Spring. 



9. MIMULUS L. Monkey-flower. 



Leaves sessile, clasping; peduncles longer than the calyx. 1. M. ringens. 

 Leaves petioled; peduncles shorter than the calyx. 2. M. alatus. 



1. Mimulus ringens L. M. p. 827. Wet places. Summer. 



2. Mimulus alatus Soland. M. p. 827. Wet places. Summer. 



Philadelphia — West Philadelphia along Schuylkill (Mac), Angora (Te.). 

 Bucks— Hock Hill (Fr.), Solebury Twp. (Ws.). Delaware— Lansdowne 

 (Pe.), Castle Rock (VP.). Chester— (P.). Lancaster— York Furnace 

 (Cr.), Peach Bottom, McCall's (Le.). Northampton — (P.). Dauphin — 

 Near Harrisburg, Dr. J. B. Brinton (He.). 



Burlington — Medford (Br.). .Sia?i??>i— Woodstown (Wa.). Mercer — 



