;).")4 iivDKoriivi.i.Af i;.i:. (w \ti:i;m:ak famii.v.) 



oMkmjj. in.isllv ohtiiso, sirnilatf ( 1 ' lonjr). ((.utractod at the base into a distinct 

 jK'linle ; tlriiiK- i.val-olilonjr. — Kockv hanks, Florida, (u-orgia, and westward. 



.'J. F. pubescens, Nult. Differs from the i;i.sl onl) in its ilensoriiiil)Os- 

 cenre, lonj:;er pedictlh-d drupe, and striate nut. — Witli tlie preceding. 



4. F. acuminata, I'oir. tJhilirous or sligiitU- iiulu'stent wlien vouiig ; 

 bnmclilets .sometimes sjiinescent ; leaves (2'-3' long) ovate-lanceolate or ovate 

 and tai)ering-acuminate at l>otli ends, somnwliat serrulate, 8lendcr-])etioled ; 

 drupe elongated-oldong, n>osti\ pointed when young. — Wet grounds, Georgia 

 to Tennessee, and norliiweslward. 



Okdkk Its. llYDKOPIIVI.LACKyT:. (Watkhlkak 

 Family.) 



llerlis, with altoniate or (the lowest) opposite leaves, and regular 

 flower.s, either .solitary in the axils, or in l-sidecl recurved spikes or 

 racemes. — Calyx 5-parted, persistent. Corolla o-lohed, convolute or 

 imbricate in tlie hud. Stamens 5, inserted on the ba.se of the corolla, 

 and alternate with its lol)es. Ovary 1-celled, with 2 parietal i)lacent8e, 

 or 'J-celled by the introversion of the placentcB, each bearing 2 or more 

 o\'ules. Styles 2, separate or nuire or less united. Capsule 2-valved. 

 Seed reticulat*!d. Kmbryo small, in hard or fle.shy albumen. 



Synopsis. 



Tribe I. HYDKOPII YLLEvE. Capsule 1-celled. Styles partly united. Albumen 

 cartilaginous. Leaves pinnately or palmately lobed. 



» Lobea of the corolla convolute in the bud. 



1. HYDUOPHYLLUM. Calyx without appendages. Stamens exsertcd. Stems erect. 



2. NEMOPHILA. Calyx appendaged at the sinuses. Stamens included. Stems prostrate. 



« * Lobes of the corolla imbricated in the bud. 



3. PHACELTA. CaljTC without appendages. Capsule 4 - many-seeded. 



TiiiBC II. HTDROLiKiE. Capsule 2-celled. Styles separate. Albumen fleshy. 

 L"aves entire. 



4. HYDKOLEA. Corolla rotate. Capsule globose. 



5. NAMA. Corolla funnel- or salver-sliaped. Capsule oblong. 



1. HYDROPHYLLUM, L. Waterleaf. 



Calvx ."j-jmrted, tlie lohrs siilmhite; without appendages. Corolla hroadly 

 tnhular, .deleft, with 5 linear appendages ojiposite the lohes. Stamen.s and 

 style exserted: anthers linear. Ovary hispid. Placenta; thick and fle.shy, 

 connected with the pericarp at the base and apex ; each 2-ovuled. Style fili- 

 form, 2-cleft. Capsule globose, 2-valved, 1 -4-seeded. — Erect perennial 

 mostly hairy herbs, with long-potioled piiniately or palmately divided leaves, 

 and white or blue flowers in pedunded cymes, without bracts. 



1. H. Virginicum, L. Stem leafless below, sprinkled, like tlie leaves, 

 with rigid hairs; leaves pinnately divided into .5-7 ovate cleft or toothed 

 lohes, paler beneath ; peduncles forking, longer than the petioles ; cymes 



