/ CLASS XIX. ORDER III. 365 



HABEN A'RIA. Corolla ringent ; lip spurred at the base beneath ; glands of 

 the stalks off ^e masses of pollen naked and distinct ; cells of the stalks adnate, 

 or separated. 7. 21 S. 



B. Anther parallel with the stigma, not caducous ; masses of pollen affixed to the 



summit^ the stigma, and made up of farinaceous or angular particles. 



GooDYE'iST Corolla ringent like, the 5 lower petals placed under the gib- 

 bous lip, which is undivided above ; style free ; constituent particles of the 

 masses of pollen angular. 7. 21 (rattlesnake-leaf, scrophula weed). <S. 



NEOT"TIA. Corol ringent ; the 2 lower petals placed beneath the lip whidi 

 is beardless ; interior petals converging ; style wingless ; pollen farinaceous. 

 7. 215. 



C. Anther inserted, terminal, not caducous ; masses of pollen farinaceous or 



angular. 



POGO'NIA. Petals 5, distinct, without glands ; lip sessile, cowled, crested 

 internally ; pollen farinaceous. 7. 21 (snake-mouth). S. 



CYMBID"IUM. Petals 5, distinct ; lip behind (or inverted), unguiculate : the 

 lamina bearded ; style free : pollen angular. 7. 21 (grass pink). S. 



ARETIIUSA. Petals 5, connate at the base : lip below, growing to the style, 

 cowled above, crested within ; pollen angular. 7. 21 (arethusa). S. 



ORDER II. DIANDRIA. 



CYPRIPE'DIUM. Calyx coloured, 4 leaved, spreading ; corolla (by some 

 the calyx is called a corolla ) ; nectary large, hollow, inflated ; style with a ter- 

 minal lobe, and petal-like appendage on the upper side. 7. 21 (ladies' slip- 

 per). S. 



ORDER V. PENTANDRIA. 



Plants bearing seeds in follicles ; and pollen in masses called poUinia. 



ASCLE'PIAS. Petal 5, reflexed ; nectaries. 5, concave, erect, containing lit- 

 tle horns; each stamen with a pair of pendulous masses of pollen, suspended 

 from the top of the stigma ; follicles smooth. 30. 47 (milk-weed, silk- 

 weed). S. 



AFOC'YNTJM. Corolla bell form ; stamens with converging anthers, pro- 

 ceeding from the middle of the stigma and alternating with 5 nectaries ; stig- 

 ma thick, almost sessile ; follicles in pairs, long-linear. 30. 47 (dogbane, In- 

 dian hemp). S, 



ORDER VI. HEXANDRIA 



ARISTOLO'CHIA. Calyx 0; corolla superior, 1 petalled; ligulate, inflated at 

 the base; capsule 6 celled, many seeded, ll. 23 (birthwort;. 5. 



ORDER POLYANDRIA. 



AS"ARUM. Calyx subcampanulate, 3-4 cleft ; corol ; anthers adnate to the 

 middle of the filaments ; capsule inferior, 6 celled, crowned with the calyx. 

 11. 23 (wild ginger). S. 



CLASS XIX. MONGECIA. 



ORDER III. TRIANDRIA. 



TY'PHA. Ament cylindric, dense flowered. Staminate flowers cafyx obso- 

 lete, 3 leaved : corolla ; stamens 3 together, on a chaffy or hairy receptacle, 

 united below into one. Pistillate flowers below the staminate ; calyx ; co- 

 rolla ; seed 1, pedicelled ; the pedicels surrounded at the base with long hairs 

 resembling egret. 3. 8 (cat-tail, or reed mace). S. 



CA'REX. Aments imbricate (usually in cylindric spikes). Staminate flowers 

 calyx scales single ; corolla 0. Pistillate flowers calyx scale single ;" corolla 

 inflated, monopetalous, 2 toothed at the apex ; stigmas 2 or 3 ; nut 3 sided, en- 

 closed in the inflated, permanent corolla, which becomes an utriculus-like per- 

 manent aril. Sometimes dioecious. 3.9 (sedge). 5. 



COMPTO'NIA. Staminate flowers ament cylindric, with calyx scales I flow- 

 ered ; corolla 2 petalled or none ; filaments 2 forked. Pistillate flowers spike 

 or ament ovate ; corolla 6 petalled (the corolla may be called a calyx) ; styles 

 2 ; nnt oval, 1 celled. 50. 99 (sweet fern). S. 



Exotic. 



Colx. Staminate flowers in remote spikes ; calyx glume 2 flowered, awn- 

 less ; corolla glume awnless. Pistillate flowers calyx glume 2 flowered ; co- 

 rolla glume awnless~ ; style 2 parted ; seed covered with the bone like calyx. 

 4. 10~(job's tear). 



31* 



