308 



BORAGINE.E. 



throat naked. Anthers linear-oblong, incumbent. Style a 

 small pruinose dot. Ovaria 4, connate. 



18 MOLTKIA. Corolla cylindrically funnel-shaped; throat 

 naked. Stamens exserted ; anthers oblong, incumbent. Nuts 

 hemispheric, concave at the base. 



19 CRANIOSPE'RMUM. Corolla cylindrical, 5-toothed at apex ; 

 throat naked. Stamens exserted. Anthers oblong. Nuts large, 

 difformed. 



20 STRIBILA. Corolla funnel-shaped, with a slender tube 

 and spreading limb, villous. Stamens length of the limb of the 

 corolla. Style bifid ; stigmas 2, capitate. Fruit pyramidal, 

 perforated at the base. 



21 E V CHIUM. Corolla funnel-shaped ; throat wide, naked ; 

 segments of the limb in many species unequal. Nuts turbinate, 

 gigartoicl, scabrous. 



22 ECHIOCHILON. Corolla with a slender arched tube, a 

 bilabiate limb, and a naked throat ; upper lip 2-lobed ; lower 

 lip somewhat 3-lobed. Nuts glabrous, tubercled. 



23 NONEA. Calyx at length inflated. Corolla funnel-shaped ; 

 tube straight ; throat bearded. Stamens inclosed Stigma 

 simple. Nuts with parallel stripes. 



24 LOBOSTE'MON. Corolla funnel-shaped ; throat furnished 

 with erect processes, which bear the stamens on the back. Nuts 

 turbinate. 



25 LYCOPSIS. Corolla funnel-shaped, 5-lobed ; tube incurved ; 

 throat furnished with ovate prominent conniving scales. Stamens 

 inclosed. Stigma emarginate. Nuts turbinate, concave at the 



base. 



TRIBE IV. 



BUOLOSSE/E. Corolla salver-shaped, or funnel-shaped, having 

 the mouth closed with vaulted processes. Nuts 4, 1 -celled, 

 fixed to the bottom of the calyx, perforated at the base, except 

 in Echinospermum. 



SUBTRIBE I. 



ANCHU V SE.E. Nuts fixed to the bottom of the calyx, perfo- 

 rated at the base. 



26 ANCHU'SA. Corolla salver-shaped ; throat closed by 

 erect obtuse processes. Stamens inclosed. Nuts turbinate, 

 concave, and perforated at the base. 



27 MYOSOTIS. Corolla salver-shaped ; throat furnished with 

 short processes. Stamens inclosed. Nuts perforated at the 

 base. 



28 EXARRHE'NA. Corolla salver-shaped ; throat furnished 

 with vaulted processes. Stamens exserted ; anthers peltate. 

 Nuts umbilicate at the base. 



29 BOTHRIOSPE'RMUM. Corolla salver-shaped ; throat fur- 

 nished with bifid processes. Anthers nearly sessile, inclosed. 

 Stigma capitate. Nuts reniform, perforated at the base, and 

 umbilicate on the inner side. 



SUBTRIBE II. 



CYNOGLOSSES. Nuts fixed to the central column, imperfo- 

 rated at the base. 



30 ECHINOSPE'RMUM. Corolla salver-shaped ; throat furnished 

 with short scales. Nuts echinated. 



31 ROCHE'LIA. Corolla funnel-shaped, 5-lobed ; throat fur- 

 nished with arched scales or processes. Nuts 2, oblique, com- 

 bined, adnate to the indurated style. 



32 OMPHALODES. Corolla rotate ; throat closed by short 

 processes. Nuts depressed, having the margin cup-shaped from 

 an inflexed membrane. 



33 CYNOGLOSSUM. Corolla salver-shaped ; throat furnished 

 with erect processes. Nuts depressed, echinated. 



34 ASPERU'GO. Calyx compressed in the fruit-bearing state, 

 sinuately denticulated. Corolla funnel-shaped ; throat closed by 

 processes. Nuts depressed. 



TRIBE V. 



HELIOTROPES. Corolla salver-shaped or funnel-shaped, having 

 the throat pervious or bearded; limb plicate. Nuts 4, 1-2- 

 celled, combined into a single fruit, closed at the base, without 

 any manifest torus or receptacle. 



35 HELIOTROPIUM. Calyx 5-parted. Corolla salver-shaped ; 

 throat pervious, in some bearded ; limb plicate. Stigma sub- 

 conical. Nuts 1-celled. 



36 PIPTOCLAINA. Calyx tubular, 5-toothed. Corolla salver- 

 shaped ; throat furnished with teeth between the segments of the 

 limb. Nuts 4, or solitary, 1-celled, wrinkled. 



37 TIARIDIUM. Calyx 5-parted. Corolla salver-shaped ; 

 tube angular, arched, 5-rayed ; segments of the limb un- 

 dulated. Stigma capitate, Nuts 2-celled, mitre-formed, acu- 

 minated, 



38 COLDE'NIA. Corolla funnel-shaped ; throat wide, naked ; 

 limb flat, with equal spreading segments. Style bifid at apex. 

 Nuts 1-celled, convex outside. 



39 HALGA'NIA. Corolla funnel-shaped; tube short; limb 

 flat ; throat naked. Stamens inclosed ; anthers fixed by the 

 base, where they are cordate and connivent. Stigma simple, ob- 

 tuse. Fruit obliquely and tetragonally ovate, composed of 2 

 2-celled divisions ; cells 1 -seeded. 



40 PRESL*'A. Corolla funnel-shaped ; limb having a plica 

 between each of the segments ; throat furnished with 5 fascicles 

 of pili, just above the connivent anthers, which are appendicu- 

 late at the base, and inclosed. Stigma rising from a conical 

 disk. Fruit divisible into t 1 -seeded parts or nuts. 



41 EUPLOCA. Corolla funnel-shaped; limb flat. Stamens 

 inclosed. Stigma annular, bearded at apex. Nuts 4, approx- 

 imating by pairs, imperforated and angular at the base, fixed 

 to the bottom of the calyx. 



42 TOURNEFORTIA. Corolla salver-shaped or subrotate ; 

 throat naked. Stamens inclosed. Stigma peltate, somewhat 

 conical. Berry containing 2 2-seeded bony nuts. 



43 MESSERSCHMIDTIA. Corolla salver-shaped, or subrotate ; 

 throat naked. Stamens inclosed. Stigma peltate, somewhat 

 conical. Berry containing 4 1 -seeded nuts. 



44 CANA'LA. Corolla tubular, ventricose, 5-toothed, coarc- 

 tate at the base into a short tube. Stamens inclosed. Nuts 2, 

 stony, roundish, combined ; seeds 4 in each cell. 



Tribe I. 

 BORAGIE'^E (this tribe contains plants agreeing with Borago 



