DIANDRIA. 



(3) 



DIANDRIA. 



,to the stamen; capsule of four cells and four valves; 

 seeds numerous. 



PHILYDRUM Spathe one-flowered ; perianth none; corolla 

 four-petalled, irregular; capsule three-celled, many- 

 seeded. 



PHRYNIUM Calix three-leaved ; corolla, inner segments 

 four, obtuse, unequal ; nectary, tube filiform ; border four- 

 parted ; capsule three-celled ; nuts three. 



POLLICHIA Calix of one leaf, five-toothed ; corolla five- 

 petalled; seed solitary; receptacle producing succulent 

 aggregate scales, sustaining the fruit. 



QUALEA Calix four-parted ; corolla two-petalled ; berry 

 with many-seeds. 



USTERIA Calix four-toothed, with one segment much 

 longer than the rest ; corolla funnel-form, four-parted ; 

 capsule two-celled, with indexed partitions; seeds im- 

 bricated, winged. 



ZINGIBER, Ginger Anther two-lobed; filament elongated 

 beyond the anther, with an awl-shaped channelled beak, 

 embracing the style ; outer border of the corolla ringent, 

 inner a three-lobed lip. 



2. DIGYNIA (Two Pistils.) 



CORISPERMUM, Tickseed Calix none; pistils two; seed 



one, oval, naked. 

 CALLITRICHE, Star-headed Water Chickweed Calix none; 



petals two ; capsule two-celled, four-seeded. 

 BLITUM, Strawberry- Elite Calix trifid ; petals none ; seed 



one, with a berried calix^ fi C^ 

 MNIARIUM Calix four-parted, superior; corolla none; 



seed one. 

 LACISTEMA Calix, scale of the ament; corolla four-parted; 



filaments bifid ; berry pedicelled, one-seeded. 

 CINNA Calix glume two-valved, one-flowered ; corolla 



glume two-valved ; seed one. 



CLASS II. DIANDRIA, 



Consisting of Plants with two Stamens only, in the same 

 Flower, with the Pistil or Pistils. 



1. MONOGYNIA (0,ie Pistil.) 



1. Such as have regular Corollas. 



NYCTANTHES, Arabian Jesmine Corolla salver-shaped, with 

 truncated segments ; capsule two-celled, margined ; seed 

 solitary. 



JASMIMUM, Jasmine Corolla salver-shaped ; berry dicoc- 

 cotis; seeds solitary, arillated. 



LIGUSTKUM, Privet Corolla four-cleft; berry four-seeded. 



PIIILLYREA, Mock Privet Calix four-toothed ; corolla four- 

 cleft ; berry or drupe two-celled ; seeds solitary. 



OLEA, Olive Calix four-cleft, with subovatc segments ; 

 drupe one-seeded. 



CHIONANTHUS, Snowdrop Tree, or Fringe Tree Corolla 

 quadrifid, with the divisions extremely long; drupe with a 

 striated nut. 



SYRINGA, Lilac Calix four-toothed ; corolla tubular, four- 

 cleft; capsule two-celled, two-valved. 



DIALIUM Calix none; corolla five-petalled ; stamens at the 

 upper side of the receptacle. 



ERANTHEAIUM Corolla five-cleft; tube thread-shaped; an- 



thers projecting beyond the tube; stigmas simple; fruit 



uncertain. 

 CIUCJEA, Enchanter's Nightshade Corolla two-petalled; 



calix two-leaved, superior; seed one, two-celled. 

 WULFENIA Corolla tubular, ringent; upper lip vaulted, 



lower three-cleft; calix in five deep segments; capsule of 



two cells, and two cloven valves. 



2. Such as have irregular Corollas, and the fruit angio- 



spermous. 



VERONICA, Speedwell Corolla four-cleft, wheel-shaped, with 

 the lowest segment narrower; capsule superior, two- 

 celled. 



P.SDORATA Corolla four-cleft; calix five-parted; capsule 

 two-celled. 



JUSTICIA, Malabar-nut Corolla ringent; capsule two- 

 celled, opening with an elastic claw; stamens with a 

 single anther. 



DIANTIIERA Corolla ringent; capsule two-celled, bursting 

 with an elastic aril; stamens each a pair of alternate 

 anthers. 



GRATJOLA, Hedge Hyssop Calix seven-leaved, the two 

 outer patulous; corolla irregular, reversed ; stamens two 

 barren ; capsule two-celled. 



SCHEVENKIA- Corolla almost equal, with the throat plaited 

 and glandular; stamens three barren ; capsule two-celled 

 many-seeded. 



PINGUICULA, Butterwort Corolla ringent,, with a spur; 

 calix two-lipped, five-cleft; capsule one-celled. 



UTRICULARIA, Bladderwort Corolla ringent, spurred; calix 

 two-leaved, equal ; capsule one-celled. 



CALCEOLARIA Corolla ringent, inflated; capsule two- 

 celled, two-valved ; calix four-parted, equal. 



GLOBBA Calix superior, trifid ; corolla equal, trifid; ca'p- 

 sule three-celled ; seed very many. 



3. Such as have irregular Corollas, and the fruit gymno- 



spermous. 

 VERBENA, Vervain Corolla funnel-shaped, almost equal 



curved ; calix five-toothed, one of them truncate ; seeds two 



or four, naked or very thinly arilled ; stamens two or four. 

 LYCOPUS, Water Horehound Corolla four-cleft, with one 



division emarginate ; stamens distant ; seeds four, refuse. 

 AMETHYSTEA Corolla quinquefid, the lower division more 



spreading ; stamens approximated ; calix subcampanuiate ; 



seeds four, gibbous. 

 ZiziniORA, Syrian Field Basil Corolla ringent, its upper 



lip reflexed, flat, undivided; calix thread-shaped; seeds 



four. 

 MONARDA, Oswego Tea Corolla irregular, the upper lip 



linear, involving the filaments; seeds four. 

 ROSMARINUS, Rosemary Corolla unequal, with the upper 



lip two-parted; filaments long, curved, simple, with a 



tooth. 



SALVIA, Sage Calix somewhat bell-shaped, two-lipped- 

 corolla ringent; filaments fastened transversely to a 



pedicel ; seeds four, naked. 

 COLLINSONIA, Knot Root Corolla unequal; calix of the 



fruit one-leafed, toothed ; of the flower, bifid ; seed one 



under the calix of the flower. 

 MORINA Calix of the fruit one-leafed, toothed; of the 



flower, bifid; corolla irregular; seed one, under the calix 



of the flower. 



ANCISTRUM Calix four-leaved; corolla none; stigma many- 

 parted ; drupe dry, hispid, one-celled. 



* **** 



CATALPA, Catalpa Tree Calix two-parted; corolla cam- 



panulate; tube ventricose; border four-lobed, unequal; 



