CLASS III. ORDER I, 35 



JasTi'ciA. Calyx 5-parted, often with 2 bracts at the base. Corolla irregular, 

 labiate; upper lip emarginate; lower lip 3-cleft. 



Utricula'ria. Calyx 2-leaved, equal. Corolla ringent, lower lip spurred at 

 the base. Filaments incurved. Stigma divided. 



PiNGUic"L'LA. Corolla labiate, spurred. Calyx 5-cleft. Capsule 5-celled. 



Micran^'themum. Calyx 4-paried. Corolla 4-parted ; the upper lip smallQR 

 Filament incurved, shorter than the corolla. Capsule 1-celled, 2-valved. Seed& 

 striate. 



C. Corolla l-petalled, inferior, irregular ; seeds naked. 



Monar"da. Calyx cylindric, striated, 5-toothed ; corolla ringent, tubular, 

 upper lip lance-linear, involving the filaments, lower lipreflexed, 3-lobed. (Os- 

 wego tea, mountain mint.) 



Lyco'pus. Calyx tubular, 5-cleft or 5-toothed ; corolla tubular, 4-cleft, nearly 

 equal ; upper division broader and emarginate ; stamens distant ; seeds 4, re- 

 tuse. (water horehound.) 



Sal"via. Calyx tubular, striated, 2-iipped, under lip 2 to 3-toothed, lower lip 

 2-cleft ; corolla ringent, upper lip concave, lower lip broad, 3-lobed, the middle 

 lobe the largest, notched; stamens with two spreading branches, one of which 

 bears a 1-celled anther; germ 4-cleft; style thread-shaped, curved; seeds 4, in 

 the bottom of the calyx, (sage.) 



Collinso'nia. Calyx tubular, 3-lipped, upper lip 3-toothed; corolla funnel- 

 form, unequal, under lip many-cleft, capillary ; one perfect seed, (horse-balm.) 



Rosmari'nus. Corolla ringent, upper lip 2-parted ; filaments long, curved, 

 nimple, with a tooth, (rosemary.) Ex. 



D. Corolla superior. 



Circe'a. Calyx 2-leaved or 2-parted ; corolla 2-petalled ; capsule hispid, 2- 

 celled, not gaping ; cells 1 or 2-seeded, seeds oblong, (enchanter's nightshade.) 



ORDER II. DYGYNIA. 



Anthoxan"thdm. Calyx of two, egg-shaped, pointed, concave, chafl!y scales; 

 1-flowered ; corolla of two equal husks, shorter than the calyx, awned on the 

 back; an internal corolla or nectary, consisting of two, egg-shaped, minute 

 scales; stamens longer than the corolla; anther oblong, forked at both ends; 

 germ superior ; seed 1. (sweet vernal grass.) 



ORDER III. TRIGYNIA. 



Pi'PER. Spadix simple and slender. Calyx and corolla wanting. Fruit a 

 berry, globose, (pepper.) Ex 



CLASS III. TRIANDRIA. 



ORDER I. MONOGYNIA. 



A. Mowers superior. 



I'ris. Calyx spatha, 2 or 3-valved; corolla 6-parted ; divisions alternately 

 reflexed ; stigmas 3, petal-like ; style short ; capsule 3-celled. (flower-de-luce, 

 iris or flag.) Ex. 



Gladiolus. Spatha 2-valved; corolla 6-parted; two divisions much smaller ; 

 upper division broadest; style long and slender; stigmas 3; capsule triangu- 

 lar ; 3-celled, many-seeded. 



Valeria'na. Corolla monopetalous, 5-cleft, horned at the base. Seed 1, 

 crowned with a feathery pappus. Ex. 



Cro'cus. Spatha radical ; corolla funnel-form, with a long slender tube ; stig- 

 ma deep-gashed, crested. 



Ix"iA. Spatha S or 3-valved, ovate, short; corolla 6-parted or 6-petalled; 

 sometimes tubular; stamens strait or incurved ; stigmas sub-filiform, (black- 

 berry-lily.) 



B. Flowers inferior. 



Commeli'na. Sheath cordate ; calyx 3-leaved; corolla 3-petalled, sub-equal; 

 3 barren filaments — sometimes the whole 6 filaments bear anthers ; stigma sim- 

 ple; nectaries 3, cross-form, inserted on peculiar filaments; capsule sub-glj- 

 bose, 3-celled, cells 2-seeded or empty, (day-flower.) 



Xy'ris. Calyx a cartilaginous glume, 2 or 3-valved, in a head ; corolla 4-pe- 

 talled, equal, crenate ; capsule 3-valved, many-seeded, (yellow-eyed grass.) 

 24* 



