93 



HYDROPHYLLACEAE, the Water-leaf Family 



Herbs with alternate lobed or divided leaves and regular flowers; 

 sepals 5; petals 5, united; stamens 5, attached to the corolla-tube 

 and projecting beyond it; ovary 1-celled. 



la. Leaves palmately veined and lobed (4 8 dm. high; flowers pur- 

 ple, early summer) Water-leaf, Hydrophyllum canadense. 

 Ib. Leaves pinnately veined and lobed (2 6 dm. high; flowers blue 



or purple, varying to white) 2. 



2a. Corolla-lobes much shorter than the corolla-tube (summer) 



Phacelia, Pliacelia frankliim. 

 2b. Corolla-lobes much longer than the corolla-tube (late spring 



and summer) (Water-leaf) 3. 



3a. Calyx with a small reflexed appendage between each pair of 



sepals Water-leaf, Hydrophyllum appendiculatuin, 



3b. Calyx without appendages Water-leaf, Hydrophyllum virginicum. 



BORAGINACEAE, the Borage Family 



Herbs with alternate entire leaves; sepals 5; petals 5, united, 

 corolla generally regular; stamens 5, attached to the corolla-tube; 

 ovary deeply 4-lobed with a single style. 



la. Corolla reddish-purple, about 8 mm. wide (4 10 dm. high; 

 spring) Hound's Tongue, Cynoglossum officinale. 



Ib. Corolla blue with a yellow center, 4 8 mm. wide (1 5 dm. high; 



spring and early 'summer) (Forget-me-not) 13. 

 Ic. Corolla deep orange, salver-form (2 6 dm. high; spring) (Puc- 



coon) 15. 



Id. Corolla white or blue, or lightly tinged with yellow or red 2. 

 2a. Corolla rotate, with a very short tube, bright-blue, about 20 

 mm. broad (3 8 dm. high; summer) 



Borage, Borago officinalis. 

 2b. Corolla tubular, funnel-form, or salver-form 3. 



3a. Corolla 10 mm. long or more; its tube distinctly longer than the 



calyx 4. 

 3b. Corolla less than 10 mm. long; its tube equaling or shorter than 



the calyx 8. 



4a. Flowers yellowish-white, or somewhat tinged with pink or 



greenish 5. 

 4b. Flowers blue or purple 6. 



5a. Corolla-lobes erect; leaves sessile (3 8 dm. high; early sum- 

 mer) False Gromwell ? Ouosmodium occidentale. 

 5b. Corolla-lobes spreading; leaves decurrent (6 10 dm. high; sum- 

 mer) Comfrey, Symphytum officinale. 

 6a. Stem and leaves glabrous (3 6 dm. high; spring) 



Bluebell, 3Iertensia virginica, 

 6b. Stem and leaves pubescent (4 8 dm. high) 7. 



