37. HMDBLLIFEBJJ. 145 



rather acute. St. erect, 4-^5 in. higli, branching only near the 

 top. Fl. umbellate^ nearly sessile, deep yellow. Stam. usually 

 8,— Boggy places. P. iV. E. S. 1. 



2. C. oppositifilUwm(L.) ; 1.' opposite, lower 1. roundish-cordate 

 shortly stalked wavy.-^<St. 4. 6. — St. branching from the base, 

 4 — 6 in. long, deciunbent, straggling. Fl. paler and more scat- 

 tered than in the last. L. usually glabrous, sometimes slightly 

 hairy. Stam. usually 8.^-Damp shady places. P. IV. V. 



E. S. I. 

 3. Paeitassia. Linn. 



1. P. palm'tris (L.) ; filaments of the petal-like scales 9^1.% 

 pet. with a short claw, radical 1. cordate stalked, st.-l. clasping. 

 — Pet. white, Teined. Glands of the scales yellow. L. mostlj- 

 radical. St. 8 — 10 in. high. — Wet and boggy ground towards 

 tte north. P. Vni.— X. E. S. I. 



B. Petals and statnens epigynous, inserted tound an epigynous 

 disk. Cal.-tube adoate to the ovary. 



Order XXXVII. UMBELLIFER^. 



Cal. 6-toothed or entire, adherent to _ the ovary, limb often 

 scarcely visible. Pet. 5, usually inflexed at the point. Stam. 

 5, inserted with the pet. round the stylppode. Ovary 2- 

 celled, crowned with a double fleshy disk (stylppode). Styles 

 2. Fr. consisting of 2 carpels (mericatps) adhiering , by theii' 

 face (commissure) to a common axis from which they ultimately 

 separate and become penduloua. Seed solitaiy, pendulous. 

 Albumen homy .^Inflorescence umbellate. Estivation imbri- 

 cate, except in Hydroeotyh and Crithmum.^-'EjZxAi cai-pel has .5 

 primary, and often 4 intermediate secondary ridges ; and in the 

 substance of the pericarp are usually lillear -I'eceptacles of oil 

 (littse or stripes) under the ridge^. or the spaces between them. 

 These parts are sometimes either wanting or only slightly ap- 

 parent. The stripes are " solitary "• when ;there is only one in 

 eachi space between the primary ridges, and " 2, 3, &c. together " 

 when 2j 3, or more Ocoui in each space. They and the ridges 

 are be^t seen by making a horizontal section of the fruit. 



Suborder I. 0RTH08PEEME. 



Seed or albumen straight or nearly so. Umbels various. 



* Umbels imperfect or simple; jwfi-. -stripes. "No carpophore." 



Trihe I. HYBAOCOTYLEjE. Fr. laterally flattened, its 

 back even or acute. Umbel irregxilar oi' imperfect. 



