HTDROPHTLLACEJS. (WATERLEAF FAMILT.) 81 



1. NEMOPHILA, Nutt. 

 Calyx 5-parted. Corolla rotate-oampanulate, deeply 5-lobed, the throat appendaged 

 with 10 internal plates or scales. — Tender herbs with diffuse and procumbent stems, and 

 pinnately lobed or divided leaves, more or less hirsute. 



* Leaves moetly alternate; stems long and weak, beset imth stiff rejlexed bristles. 



1. N. aiirita, Liudl. Leavea large, with aurioulate dilated and clasping base or 

 winged petiole deeply pionatifid into 5 to 9 retrorse lobes; corolla violet, 5 to 12 lines in 

 diameter. 



* * Leaves opposite not auricled at base. 



2. N. maculata, Benth, Leaves lyrately pinnatifid into 5 to 9 short lobes, or the 

 oppermost only 3-lobed; corolla ■white, with a violet spot at the top of each lobe, over 

 an inch across. 



3. I^. insignis, Cough Leaves similar to the last; corolla bright blue, its scales 

 short and roundish, partly free. 



4. N. Menziesii, Hook & Am. Leaves less divided than the last; corolla from 

 light blue to white and sprinkled with dots toward the center, its scales narrow and ad- 

 herent by one edge. 



* * * Upper leaves often alternate, mostly longer than the peduncles, and slender-petioled, 

 many only 3-5-lobed, one-sided. 



5. N. parviflora, DongL Slender and weak; corolla 2 to 5 lines across, light blue 

 or white. 



2. EU.ISIA, L. 



Calyx 5-parted. Corolla campannlate, short in proportion to the calyx; scales minute 

 or obsolete. Stamens and style not exserted. 



1. E, chrysanthemifolia, Benth. Stem 1 or 2 ft. high, erect, branched; leaves dis- 

 sected into very many small and short divisions; flowers, small, white; capsule remark- 

 able, viz. : the mostly four ordinary rough seeds enclosed between the placentae, while, 

 between each placenta and the valve which it lines, is hidden a single thin, meniscoidal, 

 smooth seed. 



3. PHACELIA, Juss. 



Calyx deeply 5-part^d, the divisions usually narrow and similar; corolla from almost 

 rotate to narrow-funnelform; commonly with appendages upon the inside of the tube in 

 the form of 10 vertical plates, approximate in pairs between the bases of the filaments, 

 or adnate to the filaments, one on each side. Stamens equally inserted low down or at 

 the base of the corolla. Herbs, mostly hirsute or hispid and branched from the base; 

 with simple or compound alternate leaves, or the lower opposite and more or less scor- 

 pioid infloresence. Corolla never yellow except in the throat. Ovules and seeds 4 in all 

 except the last snecies. (See Addenda.) 



