PENTANDRIA. 



(15) 



PENTANDRIA. 



little star, covering the genitals ; common stigma point- 

 less ; follicles two, smooth ; seeds comose. 



2. Monospermous, or single-seeded. 



HERNIARIA, Rupturewort Calix five-parted; corolla none; 

 stamens, five barren, besides fertile ones; capsule one- 

 seeded. 



CHENOPODIUM, Goosefoot Calix five-leaved, five-cornered; 

 corolla none; seed one, lenticular, superior. 



BETA, Beet Calix five-leaved ; corolla none ; seed kidney- 

 form, within the substance of the base of the calix. 



SALSOLA, Glasswort Calix deeply five-cleft; corolla none; 

 capsule one-seeded ; seeds screw-shaped. 



ANABASIS, Berry-bearing Glasswort Calix three-leaved ; co- 

 rolla five-petalled ; berry one-seeded, surrounded by the 

 calix. 



CRESSA Calix five-leaved; corolla salver-form; filaments 

 sitting on the tube; capsule two-valved, one-seeded. 



GOMPIIRENA, Globe Amaranth Calix coloured, outer three- 

 leaved ; leaflets two, converging, keeled ; petals rude, 

 villose ; nectary cylindric, five-toothed ; style cloven half 

 way; capsule one-seeded. 



BOSEA, Golden Rod Tree Calix five-leaved ; corolla none ; 

 berry one-seeded. 



ULMUS, Elm Tree Calix four or five cleft, inferior, perma- 

 nent; corolla none; capsule membranaceous, compressed, 

 flat, one-seeded. 



3. Polyspermous, or many-seeded. 



NAMA Calix five-leaved ; corolla five-parted ; capsule one- 

 celled, two-valved. 



HYDROLEA Calix five-leaved ; corolla wheel-shaped ; fila- 

 ments cordate at the base; capsule two-celled, two- 

 valved. 



HENCHERA Petals five; capsule two-beaked, two-celled. 



SWERTIA, Marsh Felwort Corolla wheel-shaped, with two 

 nectariferous pores at the base of each segment ; capsule 

 one-celled, two-valved ; seeds numerous, inserted into the 

 margins of the valves. 



VELEZIA Calix filiform, five-toothed ; corolla five-petalled, 

 small ; capsule one-celled ; seeds numerous, in a simple 

 row. 



GENTIANA, Gentian Corolla tubular at the base, destitute 

 of nectariferous pores; capsule superior, of one cell and 

 two valves, with many seeds. 



BUMALDA Calix five-petalled; styles villose; capsule two- 

 celled, two-beaked. 



CUSSONIA Petals three-cornered ; margin of the receptacle 

 dilated into a toothed calix. 



MELODINUS Corolla contorted ; nectary in the middle of 

 the tube, stellate; berry two-celled, many-seeded. 



VAHLIA Calix five-leaved ; corolla five-petalled, alternate 

 with the stamens ; capsule inferior, one-celled, two-valved, 

 crowned with the permanent calix ; seeds numerous. 



4. Gymnodispermous, having two naked Seeds, with a simple 



Umbel. 



PHYLLIS, Bastard Hare's Ear Stigmas hispid ; fructifi- 

 cations scattered ; calix two-leaved, obsolete ; corolla five- 

 petalled ; seeds two. 



ERYNGIUM, Eringo or Sea Holly Involucre of many-leaves ; 

 flowers in little dense heads; common receptacle conical, 

 scaly ; seeds bristly. 



HYDROCOTYLE, Marsh Pennywort Calix simple, with a 

 four-leaved involucre ; petals entire ; seeds semi-orbiculate, 

 compressed. 



5. Gymnodispermous, with an universal and partial Involucre. 

 SANICULA, Sanicle Umbels clustered, subcapitate ; fruit 



rough with hooked bristles ; central flowers abortive. 



ASTIIANTIA, Maslerwort Partial involucres lanceolate, 

 spreading, equal, longer, coloured ; flowers very many, 

 abortive. 



BUPLEURUM, Thorough-wax and Hare's Ear Involucres of 

 the umbellule larger, five-leaved ; petals involuted; fruit 

 roundish, compressed, striated. 



ECHINOPHORA, Prickly Parsnep Lateral flowers male, 

 central hermaphrodite ; seed one, immersed in an invo- 

 lucel. 



TORDILIUM, Heartwort Corolla radiate ; flowers all herma- 

 phrodite ; fruit suborbicular, notched at the edge ; invo- 

 lucres long, undivided. 



CAUCALIS, Bastard Parsley Corolla radiated in the disk, 

 male; petals inflex, emarginate; fruit hispid with bristles; 

 involucres entire. 



ARTEDIA Involucre pinnatifid ; floscules of the disk male; 

 fruit rough with scales. 



DAtrcus, Carrot Corolla subradiate, all hermaphrodite; 

 fruit hispid with hairs; or, according to Geertner, muri- 

 cate with prickles, forming longitudinal crests. 



AMMI, Bishop's Weed Involucre pinnatifid ; corolla radiate, 

 all hermaphrodite; fruit smooth. 



BUNIUM, Pig Nut Corolla uniform; umbel crowded ; fruits 

 ovate. 



CONIUM-, Hemlock Partial involucre halved, three-leaved; 

 fruit nearly globular, five-streaked, notched on one side. 



SELINUM, Marsh Parsley Fruit roundish, emarginate at 

 the base; margin alated, dorsal; ridges three, obsolete, 

 intervals somewhat convex; involucre universal and par- 

 tial, many-leaved. 



ATHAMANTA, Spignel Fruit ovate-oblong, striated; petals 

 inflex-emarginate. 



PEUCEDANUM, Sulphurwort Fruit ovate, striated on both 

 sides, girt with a membrane ; involucres very short. 



CRITHMUM, Rock Samphire Fruit oval, compressed ; florets 

 equal. 



HASSELQUISTIA Corolla radiate in the disk, male; seeds 

 in the circumference double, with a notched edge ; in the 

 disk solitary, pitcher-shaped, hemispherical. 



CACHRYS Fruit subovate, angular, suberous-cortical. 



LASERPITIUM, Laesrwort Petals bent in, emarginate, spread- 

 ing ; fruit oblong, with eight membranaceous angles. 



HERACLEUM, Cow Parsnep Involucre caducous; corolla 

 diffbrm, inflex-emarginate ; fruit elliptic, emarginate, com- 

 pressed ; striated, margined. 



LIGUSTICUM, Lovage Fruit oblong, five-grooved on both 

 sides ; corolla equal, with involute entire petals. 



ANGELICA Fruit roundish, angular, solid, with reflex styles; 

 corolla equal, with petals bent inwards. 



SIUM, Water Parsnep and Skirret Involucre many-leaved ; 

 petals cordate, equal ; fruit subovate, striated. 



SISON, Honeywort Involucres mostly four-leaved; fruit 

 ovate, striated. 



BUBON, Mecedonian Parsley Fruit ovate, striated, villose. 



CUMINUM, Cumin Involucres four-cleft; umbellules four ; 

 fruit ovate, striated. 



CENANTHE, Water Dropwwf Florets difform ; in the disk 

 sessile, barren ; fruit crowned with the calix and pistil, its 

 bark corky. 



6. Gymnodispermous, with only one partial Umbel. 



PIIELLANDRIUM, Common Water Hemlock Florets of the 

 disk smaller; fruit ovate, even, crowned with the perianth 

 and pistil. 



CICUTA, Water Hemlock Fruit subovid, furrowed. 



.^ETHUSA, Fool's Parsley Partial involucre halved, three- 

 leaved, pendulous ; fruit streaked. 



